Hymenomycetfe, AgaricaceEe, Ochrosporse, Hebeloma. 67 



planis, initio albidis dein ochraceo-brimneis, margine albidis, cre- 

 nulatis ; sporis ellipticis vel subovatis, levibus, late centro vacuo- 

 latis, 7-10 v 5-7. 



Ildb. ad terram, in silvis Stanford University Californise. 



3. Hebeloma albiduium Peck Rep. of the State bot. 1900, pag. 148. 265 

 — Pileo carnoso, firmo, snbconvexo vel fere plano, glabro, subvi- 

 scido dein brunneo albido vel griseo-albo, 2,5-6 cm. lato ; carne 

 alba ; lamellis stipatis, constrictis, adnatis, minute denticulatis, acie 

 albidis, albis dein brunneo-ferrugineis ; stipite a^quali, firmo, glabro, 

 superne farinoso-pruinoso, srepe bulbosulo, cavo, piloo concolori, 

 3,5-6 cm. longo, 4-6 mm. crasso ; sporis subellipsoideis, obtusis, 

 10-12,5 « 6-7,5. 



Hab. in silvis, Westport, Amer. bor. — H. albo Peck valde 

 affinis species sed pilei colore, sporisque obtusis differt. 



4. Hebeloma pascuense Peck Rep. of the State Bot. 1899, pag. 844, 266 

 t C, fig. 21-27. — Pileo convexo dein subplano, viscido, obscure 

 fibrilloso, brunneo-argillaceo, sa^pe centro rufescenti, margine al- 

 bicanti, 2,5-5 cm. diam. ; carne albida, sapore grato, odore sub- . 

 nullo; lamellis stipatis, acie rotundatis, albidis dein pallide ochra- 

 ceis; stipite firmo, brevi, 2,5-5 cm. alto, 4-6 mm. crasso, a^quali, 

 fibrilloso, sursum farinoso, albido vel pallido; sporis pallide ochra- 

 ceis, subellipticis, 1-nucleatis, 10^6. 



Hab. in herbosis aridis, gregarium vel subcsespitosum, prope 

 Warrensburg, Amer. bor. 



5. Hebeloma album Peck Eep. of the State Bot. 1900, p. 147, t. G, 267 

 fig. 1-7. — Pileo carnoso, firmo, convexo dein fere plano v. con- 

 cavo, margine incurvato, glabro, subviscido, albo vel luteo-albo, 

 2,5-3,5 cm. diam. ; carne alba; lamellis tenuibus, constrictis, sti- 

 patis, emarginatis, adnatis, albidis dein brunneo-ferrugineis ; stipite 

 sequali, firmo, longiusculo, solido, farcto, superne farinosulo, albo, 

 3,5-7,5 cm. longo, 4-6 mm. crasso; sporis subellipsoidois, utrinque 

 apiculatis vel 1-apiculatis, 12,5-15 « 6-7,5. 



Hab. in silvis, Westport, Amer. bor. 



6. Hebeloma bulbosum Fayod in Ann. R. Acc. d'Agr. Torino 1893, 268 

 p. 95, Agaricus fastibilis parvulus Secret. ? — Pileo hemisphrorieo 

 albo v. lutescente, levi, doin pulvinato, 4-5 cm. lat , uinbono ob- 

 tuso, jove udo subviscoso; carne alba, centro circ. 1 cm. cr. ; sti- 

 pito medullato-farcto, 6-7 cm. longo, 0,5 cm. lato, albo, apico fa- 

 rinoso, basi in bulbillum subspha^rieum inflato; lamellis liboris 

 subconfertis, acie crenulatis et albo punctatis, cinnamomeis ; cy- 



