Aulagromyza hendeliana (Hering,1926)
On Snowberry on the path beside the M25 approach to the Dartford crossing. Very obvious very white mine against the green of the leaf. Quite a few leaves, each with single mines, on the one bush I looked at.
The trees are of interest in Hesketh Park. Here is a fairly newly planted Field Maple, Acer campestre. Interesting questions could be asked about the planting technique and maybe the weed control.
Possible Honey Fungus, Armillaria mellea or another Armillaria species.
Smoky Bracket, Bjerkandera adusta in numbers, on a trunk between the cafe and the playground. Saprobic on dead hardwood, and very occasionally on dead conifers. This trunk looks a bit sycamore-ish.
Crested Coral, Clavulina cristata or coralloides, Note the slight browning due to ageing. The fused branches rise up from a base typically 1.5 to 2.5cm tall and reach a total height of up to 7cm. The tips of this white to cream coral fungus turn brown with age.
When attacked by micro fungi, this coral can turn grey or even black, making identification more confusing.
Clouded Funnel/Agaric, Clitocybe nebularis, possibly saprobic upon the leaf litter. It is said to form rings or masses. The cap of the mushroom is 5–25 cm (2–8 in) in diameter, convex with an incurved margin, becoming plane to depressed in shape. Cap colours are generally greyish to light brownish-grey, and often covered in a whitish bloom when young.
The surface of the cap is usually dry to moist, and radially fibrillose. The gills are pale, adnate to short-decurrent, close and usually forked. The stem measures 5–10 cm (2–3+7⁄8 in) long and 2–4 cm wide; it is stout, swollen towards the base, becomes hollow with age, and is easily broken. It is usually somewhat lighter than the cap. The flesh is white, and very thick. It usually has a foul-smelling odour, which has been described as slightly farinaceous to rancid.
The Sulphur Tuft, Hypholoma fasciculare, From April through to the first heavy frosts, a walk in mixed woodland rarely fails to reveal Sulphur Tufts fruiting on fallen trees, decaying stumps or, occasionally, hollow trunks of living trees. This wood-rotting fungus is not a fussy feeder it tackles deciduous hardwoods as well as conifers apparently with equal relish, although it is most effective in rotting broadleaf trees (hardwoods), which generally have a higher cellulose content and rather lower lignin content than conifers.Sulphur Tuft is saprobic, feeding on stumps, felled trunks and other dead wood from broad-leaf trees and less commonly conifers. If you see tufts apparently growing in grass it is a certainty that buried roots or other timber and lying just beneath the soil surface. As the root systems of many broadleaf trees extend well beyond the leaf canopy, so also the Sulphur Tuft fungus can fruit quite a long way from the trunk of the decaying tree on which its mycellium is feeding.
The common Puffball, Lycoperdon perlatum. I originally thought this was the Stump Puffball, but was kindly corrected by Andy Overall. Common puffballs are saprotrophic and occur in all kinds of woodland, where they grow on the ground in leaf litter; also, less commonly, in permanent pasture and on sheep-cropped stable sand dunes. More often found in small groups rather than as singletons, the common puffball can occasionally branch like a desert cactus, but most are simple pear-shaped fruitbodies like those shown here.
The woods are wetting up well now, at least underfoot.
This is Yellow Stagshorn or Jelly Antler, Calocera viscosa, and I found it on an old stump which could have been Spruce, Douglas Fir or even possibly Yew.
It does look like Calocera viscosa and as this is limited to conifers, it should be be on one of those three hosts. The fruiting bodies are generally seen on very rotted conifer trunks or logs, some of which may even lie buried in the woodland soil after years of decay. This possibly fits in with a spruce blown over, say, in the 1987 storm.
This is the anamorphic (asexual) state of Xylaria hypoxylon, the CandleSnuff Fungus just appearing on an old stump.
This is Yellow Disco, Bisporella citrina, possibly, on a log, just by the east boundary path of Dene Park.
Stigmella plagicolella, the "tadpole mine" on Blackthorn, Prunus spinosa, along the Access Trail. Frass filled trail suddenly expanding into a blotch mine, usually filled with dispersed granular frass. Larva is yellowish [with a brown head?]. The mine seasons are supposedly July [+ earlier?] and September - October.
False Brome, Brachypodium sylvaticum appears to be quite well distributed across the woodland tracks and paths.
While at first not very sure of it, I was eventually very happy with the identification. It was in the early flowering stage. I could see the spikelets quite round in cross-section, elongated and around 2 cm long. Each spikelet had a very short stalk indeed. The awns were about the same length as the individual flowers, more obvious when I spread the spikelet out.
The nodes and stems were softly hairy, the leaves were bristly (scaberulous, slightly rough to the touch), particularly the underside when rubbed towards the base. They were quite broad but narrowed obviously towards the sheath junction. The ligule was blunt and raggedy, a few mm long. A bright green is how I would describe the leaves, but in the image above it looks relatively glaucous.
Flowering is stated to be late June onwards. Soils ideally calcareous, not very fertile, well drained. These characteristics seem to fit fairly well.
The Wood Melick grass or Melica uniflora is found in just one area in these woods as far as I know, in the Scambles, not too far from one of the Bourne tributary streams. The soil here seems drier and less clay-rich than other parts of the wood.
It would be useful to tie this down, particularly as this is a new record. It is a very beautiful plant with its nodding brown rice-shaped heads on the ends of the pedicels(?).
Generally thought to prefer poorer soils, it is usually found in discrete patches suggesting most propagation is via the rhizomes as opposed to seed.
The following day I found a few plants of viviparous Cocksfoot by the dog bin, in the central triangle of grass. Here the flower parts develop instead into leaves. I have never seen this before.
The Enchanter's Nightshade, Circaea lutetiana, is in full flower along the tracksides at the moment. This is a very common woodland plant throughout the UK except the north of Scotland. There is also an Alpine species found in upland woodlands.
Apparently a traditional wound treatment. The Latin name is after Circe the Goddess of Magic, known for her knowledge of herbal medicine, and lutetiana referring to Paris or the botanists of Paris.
The delicate two-petalled whitish flowers are well spaced within each raceme. The flower stalk and the sepals are covered in long hairs.
Spreads by long thin vegetative stolons, as well as the fruiting burrs. Here is a picture of one of the typical patches of heart-shaped leaves topped by the tiny groups of flowers.
On a full flowering Blackthorn on a walk around Capel, I found a few solitary bees. There was a drone fly as well, but I didn't ID that.
Here is the female bee, which might tentatively be identified as Andrena dorsata on the basis of the limited narrow hair fringes on the abdomen, the tawny hairs on the thorax - maybe white beneath, like the head hairs? Maybe the hairs on the legs are also a bit reddish, which should fit.
and here is a male which was close by, possibly an entirely different species, of which i couldn't begin to guess.
I found some dead stems in a Hazel stool by the side of the muddy steep slope on the main path round the woods. On this one were some Woodwart looking fungi, apparently quite old and solidified, all along the stem. Judging by the colour and shape I would still say that this was fairly like Hazel Woodwart, Hypoxylon fuscum. I was unable to get any samples for KOH testing.
I think there might be a separate tar crust under the peeling bark. Might be worth peeling back a bit more bark to see if there are any fresh surfaces to examine.
This next one looks different though, blacker and also erupting out of the thin bark. This was found near the Scambles, but fairly near the grass triangle end. Its just got a very different "jizz" to it.
This is a highly tentative ID. I was having a look at the patch of Ash coppice that as been hard hit by Ash Dieback. All the patches of fruiting body now appear very dessicated and featureless. However when you do look at the last image, which is the only one patch on the whole stem revealing any papillae, it is brownish with slightly papillate perithecia, which fits. I really don't think it is worth trying to extract any pigments! As a cautionary tale, you can get mixed populations of tar crusts on Ash, making things even more complicated.
What I think is probably a Beech branch on the forest floor, so this could be Biscogniauxia nummularia, a Nemania sp or Diatrype stigma, all quite common tar crusts on this particular tree, although there could also be quite a few others that this could be, mostly in the many Ascomycete Pyrenomyocete fungi.
On Tuesday, I found a dead dried out Beech tree with a huge streak of a tar crust up its trunk. This would fit with the classic model of Biscogniauxia nummularia, running from the roots upward as seen in Lynne Boddy's paper. In this case it is uncertain whether it is drought, or the death of the tree from another cause, which encouraged this excessive growth and fruiting of the fungus.
By the path beside the front Spruce department I came across a blackened fallen log and on the underside were a Slime Mould and a Toothed Crust. After thinking of Radulomyces molaris for a while, I went for a little while for the Toothed Crust Fungus, Basidioradulum radula, but eventually returned to Radulomyces molaris.
I think that I have seen some older fairly decrepit specimens of this same fungus in different places in Dene Park, suggesting that is fairly well established in the woodland. My only concern at the moment is that Basidioradulum is supposed to be found mainly on attached branches of deciduous trees according to Laessoe and Petersen - and I think I mainly see it on the ground! Maybe I just haven't seen the fresh stuff!
Here is today's photograph, the second one a closer view:
Further up the log was some possibly Badhamia utricularis, (or not) a myxomycete that feeds on fungi, possibly feeding off this Radulomyces molaris or Basidioradulum radula.
