120 Hynienomycetie, Ajiaricacese, Leucosporae, Pleurotus. 



sporis liyalinis, (•ylindraceis, 12-18^4-6; basidiis clavatis, 35-40 

 ^ S-9 ; hypliis, tani contextii himellaruni, qnani pilei, irre^ularibns, 

 iutricatis, conglutinatis, in liyuienio 3-9 in pileo 3-12 [x crassis. 



Hah. ad trnncos C i t h a r e x y 1 i s u b s e r r a t i Sw. . in horto 

 botauico Catauieusi, Sicilia, Itabae (Cavara). — Species haec a 

 Pleuroto Gnssonei (Scaba) Bresad. cuni qno crescit et pro qno 

 niissns fuit, certe specifice distiucta, at forte, nou satis a Pleuroto 

 Gemmelari luz., cnjus icon. si stipitata esset optime conveuiret. E 

 diagnosi vero fnnous noster differt pileo teuniori, praecipue ad mar- 

 ginen) scabroso-villosnlo, praesentia stipitis et cnte tantuni subge- 

 bitinosa j niliilominns, cum diaguosis luzeugae nimis sit compen- 

 diosa, comparatio cum typo esset necessaria. 



27. Pleurotus Colae Massee, Bull. Bot. Gardeu Kew, 1912, p. 357, 452 

 Hg. 11-14.-- Pileo tennissimo, primo resupiuato deiu lateraliter 

 aduato, sessile. tenniter membranaceo, candido, i^nberulo, 3-4 mm. 

 lato : lamebis paucis (7-12), distantibns, tenuibus, acie integris, 

 concoloribus, apicem versus venoso counexis ; basidiis clavulatis, 

 hyabuis, 28-34*6-7; sporis subglobosis, hyaliuis, 7-8*5-6. 



Eob. gregarius ad frnctos juveuiles C o 1 a e a c u m i n a t a e , 

 Alburi, Gold Coast, Africa occid. (W. H. Patterson). 



28. Pleurotus Puttemansii P. Heun., F. S. Paul. IV (Puttem.), Hedw. 453 

 V. 48, 1908, p. 4. — Pileo primo resnpiuato dein reniformi vel fia- 

 bellato, sessile, carnosnlo snbgelatinoso, atro, ciuereo-villoso, mar- 

 gine crispnlo uudo, 0,5-1 cm. diam ; hinieHis coufertis, crassiuscuHs, 

 inaequilongis, fusco-brnnneis; cystidiis fnsoideis vel bigeuiformibns, 

 40-50*10; atro-fnscis, basidiis subclavatis, 20-25*10-14; sporis 

 elbpsoideis, obtusis, hyabuis, 7-10*4-5. 



Hab. ad truncum emortnum arboris cujusdam, Serra da Canta- 

 reira, S. Paulo. Brasiba. — Pl. atro-coeriileo et Pl. applicato atliuis. 



29. Pleurotus SUbelatinus ^Murrill, Mycologia, 1916, p. 218, Geopetalum 454 

 suhelatiinim 3Iurrill, X. Amer., Fl. IX, p. 301. — Pileo resupinato, 

 molli, aquoso, expanso, aetate ad basim stipitiformem albidam 

 fibrillosam coutracto, 3-8 mm. lato ; superticie subglabra albida ; 

 Hmellis albidis, coufertis, augustis. 



Hab. iu liguo emortuo, prope Santiago de las Vegas, Cuba, Arae- 

 rica bor. (F. S. Earle). 



30. Pieurotus reticulatus Petch. Anu. R. Bot. Gard. Peradeuyia, v. VI, 455 

 P. III, 1917, p. 198. — Pileo 6-12 cni. diam., (totus fuugus 6-9 

 cm. alt.), infnndibubformi, ceutro flavo-brunneo, uigresceute, abbi 

 flavo vel bruuueo-flavo, glabro, estriato ; carue ceutro flava, extus 



