32(1 llymcuoiiiycctio, Agiiiicacca-., Mchiuuspoiic, Montitguites 



rileo coiiico non expanso, solitario, 1 cm. lato et alto; .supeiticie 

 liygropliana, glabra, ruiioso-striata, avellanea, disco pallide isabel- 

 lino ; uiargine recto, iutegro concolori ; laniellis adnatis, confertis, 

 latiusculis, prinuun albo-griseis, dein nigris; spoiis ellipsoideis, le- 

 vibus, opacis, sub lente obscure purpureo-brunneis, coacervatis 

 nigris, 12*7; stipite subfragili, tiliformi, levi, albo-niveo, basi my- 

 celioideo, 4 cm. longo 1 uuu. crasso. 



Hab. sobtaria ad terram udam in silvis, Motzorongo prope Cor- 

 doba Mexico, America bor. 



G. Psathyrella grisea W. A. Murrill, Mycologia, 10., 1918, p. 20. — ri- 1211 

 leo tennissimo, parvo, e conico caiupanulato non expanso, 5-10 mm. 

 lato et alto uu)x deli(iuescenti ; superticie grisea, e minute albido- 

 tioccosa subglabra, disco distincte striato; margine tenui, concolori 

 dein irregulari vel aetate lacerato, arescendo incurvato ; lamellis 

 aduatis, subdistantibus, tenuissimis et fragilibus, aetate nigrican- 

 tibus; sporis ellipsoideis utrinque rotundatis, levibus, sub lente 

 obscure purpureo-brunneis, 7-8,5*3,5-4,5; stipite filiformi, ad ba- 

 sim leuiter incrassato, levi albo, glabro, 2-3 cm. longo 1 mm. v. 

 minus crasso. 



Hah. gregaria v. caespitosa ad ramos dejectos, Motzorongo prope 

 Cordoba Mexico, America bor. 



7. Psathyrella sphaerospora Sacc, Notae mycol. XXII p. 181 (E. Acc. 1212 

 Pad. 1917). — Sparsa, tota (in sicco) atro-ciuerea v. cinerea ; pileo 

 convexo-applanato, membranaceo-carnosulo, initio squamnloso dein 

 glabro, sublevi, 0,33-1 cm. lato, margine non striato ; lamellis la- 

 tiusculis, confertis, adnexis, demum nigricantibus ; stipite exili, 

 glabro 1-2 cm. longo ; sporis sphaeroideis, basi apiculatis, 4,7-5 [i. 

 diam., levibus, ochraceo-fuligineis, nigricantibus. 



Hab. in cultis, Ghinda ibique in sabulosis editioribus, \n. 900, 

 Erythraea, Africae. — Imprimis sporis sphaeroideis minutis distiu- 

 guenda species, ad Panaeoluni quoque vergens. 



MONTAGNITES Fr. — Syll. V p. 1140, XI p. 79, XVI p. 137, XVII 

 p. 95, XXI p. 234. 



1. IVIontagnites Candollei Fries. — Syll. V p. 1140 — var. Somala Bac- 1213 

 carini, Eumyc. Somalia it,, in « Missione Stefanini-Paoli » Eirenze 

 1916, p. 191. — Pileus tenuissime membranaceus, albido-cinereus in 

 sicco ovato-campanulatus 2,5-3 cm. longus, 1,5-2 cm. latus, ad di- 

 midium et ultra laciniatus, apice in discum planum vel umbiH- 

 catum 8-10 mm. latum dilatato ; stipes erectus firmiis, tistulosus. 



