Pluteolus Bolbitius. 147 



[dictyotus, Kalchbr. Entirely pale ochraceous. P. campan. 

 exp. urab. dry, with anastomosing raised veins; g. free; s. fragile, 

 even, glabrous. 



Differs from P. reticulatus in colour, and in growing on the 

 ground. 



aleuriatus, Fr. P. 1 2 cm. conical then convexo-plane, viscid, 

 striate, grey, livid, rosy, &c. ; g. free, ventricose, saffron-ochre ; s. 

 thin, pulverulent, subincurved, white; sp. . 



BOLBITIUS, Fr. 



grandiusculus, Cke. and Mass. P. 2-5 5 cm. thin, campan. exp. 

 slightly striate, pale yellow, disc rufous ; g. free, rusty ochre ; s. 

 6 9 cm. narrowed upwards, hollow, white ; sp. ] 5 x 5 6. 



vitellinus, Fr. P. 3 5 cm. ovate then exp. viscid, egg-yellow, 

 even then sulcate at the edge ; g. adnexed, ochre then tan ; s. 6 7 cm. 

 equal, white, squamulose, hollow ; g. 10 x 6. 



Differs from B.flamdm in white stem, and from B. Boltoni in 

 clear yellow p. not depressed at disc. 



Boltoni, Fr. P. 3 4cm. viscid, even, edge becoming sulcate, 

 yellow then pale, disc darker and subdepr. ; g. subadnate, yellow 

 then livid fuscous ; s. 4 5 cm. narrowed upwards, yellowish, at first 

 flocculose ; sp. 14x8. 



flavidus, Bolton. P. 2 4 cm. glutinous, conical then exp. disc 

 a little elevated, pale yellow, edge striate; g. almost free, yellow 

 then brownish ; s. 46 cm. slightly tapering, yellow; sp. 10 x 6. 



fragilis, Fr. P. 1*5 2'5 cm. viscid, pellucid, edge striate, sub- 

 umb. yellow then pale; g. yellowish then pale cinnamon ; s. 4 7 cm. 

 narrowed upwards, naked, glabrous, yellow ; sp. 7 x 3'5. (14 15 x 8 9 

 Sacc.) 



[bulbillosus, Fr. P. convex-campan. exp. not striate, pale 

 yellowish fuscous ; g. free, ventricose, rusty ; s. attenuated upwards 

 from a somewhat marginate bulb, whitish yellow, glabrous ; sp. 

 1014x8. 



affi.ni.3, Mass. (sp. nov.) P. 1 2 cm. campan. then exp. umb. 

 glabrous, dry, edge striate, yellowish tawny like the narrow, adnexed 

 g. ; s. 4 7 cm. attenuated upwards from a marginate bulb, white, 

 shining ; sp. 8 x 6. 



Differs from B. bulbillosus in the pure white s., and umbonate, 

 striate, tawny yellow p. which is whitish when dry. 



[conocepnalus, Bull. P. 1 2 cm. conico-campan. fragile, slightly 

 striate, viscid at the apex, creamy yellow; g. free, ventricose, be- 

 coming ochre ; s. slender, elongated, pruinose at the apex, white ; sp. 

 10 long. 



titubans, Bull. P. 2 3 cm. ovoid-campan. thin, glabrous, dia- 

 phanous, yellow, becoming striate, plaited and greyish at the edge ; 

 g. free, yellow then reddish or ochre ; s. hollow, slender, very fragile, 

 35 cm. mealy, white, shining; sp. 1214x8. 



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