ITS FUNGI 139 coloured milk. The cap is about three inches across, depressed in the centre, with the margin woolly and curved inwards. Dull orange-red with darker bands. High Beach and Lower Epping Forest. Lactarius vellereus. Another of the milky agarics, found everywhere in the most wooded parts. Wholly of a dull white. The cap six to ten inches in diameter, deeply depressed, almost funnel-shaped, and covered with a dense fine woolliness. The gills are broad, and run down into the short thick stem. Milk-white and peppery. Lactarius piperatus. Similar to the above, but not so large. The top of the cap quite smooth; the gills narrower and twice as numerous. Milk-white and biting. Always considered to be poisonous in this country, but sometimes eaten in America. Russula emetica. The cap, about two inches across, is rosy red, smooth, and shining. The stem as well as the gills, of a pure white. The entire fungus is very fragile. The cuticle of the cap peels off readily and shows pink flesh beneath. Common to the whole Forest, but not numerous. Russula fellea. Similar in shape and size to the above, but wholly of the colour of wheat straw, including the gills and the flesh. It is intensely bitter. At High Beach, Fairmead, Theydon, and towards Chingford. Russula foetens. Stinking Russule. Often with the cap six inches across, dirty amber yellow, soon depressed in the centre, margin bent over, and marked with parallel furrows. Stem short. Mostly of a strong stinking odour, but occasionally found without smell. Scattered over the entire Forest, in woody places. Marasmius personatus. Very common everywhere amongst dead leaves. Cap convex, two inches across, pale purplish brown, quite dry and tough ; gills brown, but the spores white. Stem three inches long, thick as a clay-pipe. The lower half clothed with a dense pale- yellowish down. Boletus satanas. Cap convex, like half a globe, from four to ten inches across, dirty white, rather sticky. Under surface flat, bright livid crimson. Stem red and yellow, two inches thick. When cut, bruised, or broken, quickly turning in colour to a deep indigo-blue. Only recorded in the Lower Forest. Boletus luridus. Cap similar in form, semi-globose, but not more than four inches across, olive-brown and velvety. Under surface lurid red. Stem thick in proportion, orange above and red or brown below sprinkled with dots. Changing when wounded to indigo-blue. High Beach and Fairmead, usually. Boletus piperatus. Smaller and more slender, cap flattened convex, about two inches across, tan-coloured with a tinge of red. Under surface with large angular pores. Stem slender. Flesh yellow. Taste very hot. High Beach and Lower Forest.