*** ELASTICI. _Veil simple, thin, fugacious, median or inferior. Stem never marginately bulbous or peronate, but elastic, rigid, externally polished, shining, cartilaginous._ + _Gills white then tan or dingy cinnamon._ =cumatilis=, Fr. P. 7-9 cm. obtuse, with bluish-violet gluten, disc brownish; g. adnexed, serrate; s. 6-7 cm. subbulbous, white, veil forming a volva at base; sp. ----. =serarius=, Fr. P. 3-9 cm. gibbous, not polished, viscid, opaque, reddish-tan; g. arcuato-adfixed; s. 7-9 cm. fibrillose, shining, and like the flesh white; sp. ----. =emollitus=, Fr. P. 6-8 cm. exp. wavy, slightly fibrillose-virgate, tawny then ochre and shining; g. white then ochre; s. 3-4 cm. scarcely bulbous, fibrillose, white as is also the flesh; sp. ----. =cristallinus=, Fr. P. 5-7 cm. exp. very glabrous, viscid, shining, hygr. pallid, edge whitish; g. crowded, tan; s. 5-6 cm. hollow, nearly equal, white; sp. 8 x 4. =decoloratus=, Fr. P. 4-9 cm. exp. soon dry and flocculose, tan then pale, often corrugated when old; g. greyish-tan; s. 6-7 cm. base thickened, fibrillosely-striate, silvery; sp. 7 x 4. ++ _Gills violet, purplish or flesh-colour._ =decolorans=, Fr. P. 3-5 cm. exp. all one colour, yellow; g. dry, purplish then tan; s. 5-8 cm. narrowed upwards, and like the flesh, white; sp. 10 x 8. =porphyropus=, Fr. P. 3-5 cm. exp. thin, virgate, ochre, often spotted; g. rather crowded, thin; s. 5-9 cm. somewhat attenuated, lilac, purplish when bruised as is also the flesh; sp. 10-12 x 7. [=rubropunctatus=, Karst. P. thin, convexo-plane, even, glabrous, glutinous, yellow; g. adnexed, crowded, white then ochre; s. wavy, fibrillose, white, apex pruinose red-punctate; sp. 8-10 x 4-5. =croceocoeruleus=, Fr. P. 2-3 cm. exp. lilac; g. lilac then orange-tan; s. 4-5 cm. hollow, fragile, white; sp. 8 x 5. [=maculosus=, Fr. P. conico-convex then exp. and wavy, whitish spotted with umber scales; g. pinkish-white, grey then tan; s. squamosely fibrillose, white. +++ _Gills pure ochre, tawny, or rusty._ =corruscans=, Fr. P. 7-11 cm. plane, even, glabrous, yellowish ochre often spotted; g. plano-decur. closely crowded, ochre; s. 7-12 cm. solid, elastic, white; sp. ----. =papulosus=, Fr. P. 5-8 cm. discoid, soon rivulose, granulato-punctate, honey-tan, disc darker; g. adnato-decur.; s. 6-7 cm. fibrillose, white; sp. ----. [=intentus=, Fr. P. exp. soft, ochre or tawny; g. adnate, closely crowded, bright saffron; s. hollow, rigid, fragile, yellowish. [=compar=, Fr. P. exp. even, yellowish, edge thin; g. adnate, rusty-cinnamon; s. fibrillose, apex lilac. [=subsimilis=, Fr. P. exp. sooty brown, flesh white; g. adnate, smoky then tan; s. solid, equal, fibrillose, tawny. ++++ _Gills olive or smoky._ [=olivascens=, Fr. P. exp. olive then sooty at length pale; g. tan tinged olive; s. silvery-pallid. Taste very acrid.