Collybia. 51 



confluens, Pers. P. 2 1 cm. obtuse, flaccid, glabrous, rufes- 

 cent then pallid; g. closely crowded; s. 6 12 cm. more or less 

 compressed, rufous, everywhere with white down ; sp. subgl. 7 9. 



Differs from C. hariolarum in densely tufted habit. 



ingrata, Schum. P. 2 3 cm. convex, umb. even, brownish 

 tan; g. free, pallid; s. 510 cm. twisted, subcompressed, with 

 white meal above, umber and naked below, equal ; sp. . 



[lilacea, Q. Subtomentose, lilac; p. thin, hoary; g. amethyst; 

 s. slender, base with white down. 



[lupuletora, Weinm. P. exp. depr. even, glabrous, livid or 

 pale tan then pallid ; g. adnate, crowded, white ; s. not rooting, 

 white and pulverulently scaly above, brownish, glabrous, and nar- 

 rowed below. 



[foetidissima, Gill. Smell extremely foetid. P. convex, umbil. 

 wavy, yellowish white ; g. whitish ; s. white. 



[orbicularis, Seer. P. exp. umb. brown, disc with small viscid 

 blackish warts ; g. adnexed, crowded ; s. rufescent with white meal. 



[myosura, Fr. P. orbicular, exp. obtuse, rufous, becoming 

 pale; g. free, much crowded; s. rufescent, apex powdered, root 

 long, glabrous. 



conigena, Pers. 1 2 cm. exp. subumb. glabrous, reddish-yellow 

 or pale; g. free, much crowded, pallid; s. 3 7 cm. pulverulent, 

 pallid, base strigose, rooting ; sp. 4 5 x 3. 



Differs from C. tenacella and C. esculenta in free, crowded, 

 narrow gills. 



var. lutea, Vogl. P. yellow ; g. densely crowded, white. 



cirrhata, Fr. 1 1 '5 cm. exp. at length unibilicate, silky, opaque, 

 white ; g. adnate ; s. 2 5 cm. slender, wavy, whitish, with a downy 

 root ; sp. 4 5 x 2 3. 



Differs from C. conigena in adnate gills, and from C. tuberosa 

 in downy rooting stem not springing from a sclerotium. 



tuberosa, Bull. P. about 1 cm. white, exp. umb. even; g. 

 adnate; s. T5 4 cm. thin, white, root glabrous and springing 

 from a sclerotium ; sp. 4 6 x 2 3. 



racemosa, Pers. P. up to 1 cm. convex, papillate, grey, sub- 

 tomentose ; g. adnate ; s. 3 5 cm. base dark, springing from a 

 blackish sclerotium ; several minute stems with abortive pilei often 

 spring from the stem ; sp. . 



III. LAEVIPES. Stem thin, equal, fistulose, naked, 

 glabrous (except base), not conspicuously striate. 



* Gills broad, lax, usually more or less distant. 



collina, Scop. P. 2 5 cm. exp. umb., brownish then pale; 

 g. adnexed then free; s. 610 cm. equal, even, glabrous, base 

 abrupt, downy ; sp. . 



42 



