=Livid Milk-Mushroom.= Fig. 18. (_Lactarius pyrogalus._) 498. The highly acrid white milk abundantly exuded from this plant, its depressed and zoned top, its peculiar livid coloration and yellowish gills, distinguish it from the other milk-mushrooms. It grows in woods and meadows. =False Chantarelle.= Fig. 19. (_Cantharellus aurantiacus._) 540. Is known by its smaller size, its gills being far thinner and more crowded than in the true chantarelle; the stem frequently deep umber at the base, and the gills or veins darker than the top. It is a species to be rejected for culinary purposes. =Yellow Milk-Mushroom.= Fig. 20. (_Lactarius theiogalus._) 503. This is a beautiful plant, with an odour that is far from disagreeable. It is _sometimes_ without the zones on the top which are shown in our figure, but it is immediately known by the change of colour which takes place in the milk on breaking the fungus; this is at first pure white, but in less than a minute the milk turns to a brilliant yellow. It is not uncommon, and may generally be found at Hampstead in the woods; and it is supposed to be poisonous. =Emetic Mushroom.= Fig. 21. (_Russula emetica._) 528. This is a magnificent but certainly rare species, but it has a very bad name, and is supposed to possess highly dangerous qualities. The skin is scarlet, and may be readily peeled off, and then the pink flesh is displayed beneath, which is its great characteristic; the gills are pure white, and do not reach the stem; the top is highly polished, and varies from scarlet and crimson to a faint rose-colour, and may now and then be found shaded with purple. It attains a large size, and loves damp places in woods, and the neighbourhood of trees. =Slimy Dung-Mushroom.= Fig. 22. (_Agaricus_ [_Psalliota_] _semiglobatus._) 327. This extremely common little sticky Agaric grows in pastures, on dung, everywhere; the stem is covered with a glutinous thick slime. It is regarded as poisonous. =Sulphury Mushroom.= Fig. 23. (_Agaricus_ [_Tricholoma_] _sulfureus._) 55. In woody places at the south of London this very disagreeable but handsome species now and then puts in an appearance. It has a particularly nasty penetrating smell, which has been compared with “gas-tar.” The stem is firm, as is the whole plant, and sulphur-coloured. It is probably a very dangerous species, but I have seldom met with it. =Incrusted Mushroom.= Fig. 24. (_Agaricus_ [_Hebelonia_] _crustuliniformis._) 278. Growing in woods, this deleterious species is extremely common, and without doubt very dangerous. The dirty pale-umber gills, and its habitat and time of growth—viz. the autumn—at once distinguish it from the delicious _A. gambosus_, fig. 19, Edible Sheet. It has a powerful and highly disagreeable odour, and brown spores, and we believe it is often mistaken by the ignorant for the true mushroom. =Verdigris Mushroom.= Fig. 25. (_Agaricus_ [_Psalliota_] _æruginosus._) 322.