634 Agaricineae, Leucosporas, Xerotus. 



orhiculari v, roniformi, contro umbilicato-depresso; colore superne 

 atro-fusco v. olivaceo, in parte hymeniifora melleo-fulvo ; lamellis 

 distantihus crassis, acie repando-obtusis, pubpliciformibus, basi se- 

 pius binis conriatis v. sursum furcatis, rarius simplicibus, fulvo-rae!' 

 leis ; stipite perbrevi subobliquo v. lateraliter incurvo, c_yHndrico 

 saspe ramosi) v, 2-3 connatis, raro simplici, atro, scrupuloso, a pi- 

 leo consfcrictione sa^pius diviso; carne pilei in hymenophoro ac sti- 

 pite continua, alba, compactissima, coriacea. 



ITab. in trunco cavo vetusto Salicis Humboldtiana} en Barra- 

 cas del Sur, Argentin;e Atner. merid. (J. Cisneros). —  Totus fun- 

 gus 1,5-2 cm. alt. ; pileus 1-1,5 cm. long., 1 cm. crass. v. lat. ; sti- 

 pes 5-8 mm, long., 3-4 mm. crass, Species distinctissima et pul- 

 chella sod tantum exemplaribus cxsiccatis inventa, idcirco ulterius 

 imiuircndu. 



21. Xerotus lateritlus B, et C. Journ. Linn. Soc. K, p. :'.03. — Pi- 2013 

 leo suborbiculari, vertice afhxo, sulcato, lateritio; lamellis distanti- 

 bus, iatiusculis, integris, nigris. 



Ilab. ad cortices emortuos Cuba^ Amer. cenLr. (C. Wright), 

 Florida Amer. foider. et in Chile Amer, morid., in ligno emortuo 

 Peradenja Ceylon (Thwaites). — Homonyma et, ut videtur, eadem 

 species sic describitur in B. et C. Cent, N, Am, Fiingi n. 35: pi- 

 leo sessili, reniformi, convexo, lateritio, G-7 mm. lat., margine in- 

 voluto; lamollis paucis, atro-fuscis. Ad ligna Sautee Canal Caro- 

 linae (Ravbnel). An Anihracophijllum? 



22. Xerotus viticola B. et C. North Am. Fungi n. 105, X. laieritius 2GI4 

 Rav. Fasc. IV, n. 3, — Pileo tenui, nigro, ramoso-sulcato, scabro; 

 niargine pallidiore; lamellis latiusculis. 



Hab. in Carol. inf. (Curtis). — Fileus 18 mm. latus, 



23. Xerotus Caifrorum Kalch. et M. Ow. in Grev. IX, p, 130. — Pi- ocis 

 leo niembranaceo-coriaceo, integro, convexo, late umbiIi"cato, radia- 



tini rugoso, glabro, alutaceo; stipite farcto, subtequali, concolore; 

 lamellis adnato-decurrentibus, distantibus, crassis, obtusis, ramo- 

 sis, immixtis paucis brevioribus, pallidis. 



Ilab. in densis silvis, sub fruticibus mont. Boschi)erg Afr. austr. 

 et P. Natal (Mac Owan). — Pileus 2-1 cm. latus.; stipes 4-9 cm. 

 longus, 2-5 jnm, crassus. Solitarius et subcajspitosus, 



24. Xerotus papyraceus Berk. Fl. Tasm, pag. 250, tab. CLXXXH, 26I6 

 fig. 2. — PapyracGUs; pileo pallido, striato v. ievi, tenui, margine 

 dorauni expanso; laraellis simplicibus fuscis.v. pallidis, 



llab. in ligno putri in Tasraania (Hooker, Aucher), 



