580 Hyphomycetese, Dematieaj, Amcrosporee, Streptothrix. 



350-550 a. diarn. sparsis, atris, compactiusculis; hyphis cyliudra- 

 ceis fuscidulis, 5-6 a. diam., crasse denseque nigro-septatis, uiox 

 diflBuenti-evanescentibus; conidiis polymorphis, globulosis, hemisphae- 

 ricis, trigonis v. subcuboideis, 10 :; 7-10, primo pellucidis fuligineis, 

 dein atris, opacis, angulis saepius obtuse apiculatis. 



Hab. ad folia languida v. emortua Caricis cujusdara in uli- 

 ginosis in Gabel island Fuegiae. 



Trib. 5. TricliosporiciT! Sacc 

 VIRGARIA Nees — Sacc. Syll. IV, p. 280. 



1. Virgaria deflexa (Preuss) Sacc, Psilonia defiexa Preuss V. Ho- 7387 

 yersw. n. 62 et in Sturm Deut. Cryptogara. Fl, t. 19. — Cgespi- 

 tulis magnis, tomentosis, atris, opacis; mycelio repente; hyphis 

 confertis, atro-fuscis, sursum pallidioribus, erectis, siraplicibus vel 

 furcatis, septatis, obtusis ; conidiis sparsis, obovatis, pallidis. 



Hab. in ligno Pini, Hoyerswerda. 



2. Vlrgaria saiebrosa (Preuss) Sacc, Psilonia salebrosa Preuss F. 7388 

 Hoyersw. n. 61. — Caespitulis eifusis, atro-fuscis ; hyphis iutricatis, 

 ramosis, septatis, salebrosis, intense fuscis ; conidiis ovatis, atro- 

 fuscis, impellucidis, episporio hilo instructo, nucleo lirmo. 



Hab. in lignis Alni, Hoyerswerda. — « An Trichosporium?». 



3. Vlrgaria macrospora Karst. Symb. Myc. Fenn. XXVII, p. 34. — 7389 

 Caespitulis sat corapactis, oblongatis v. subcircularibus, exiguls, 0,5 

 rara. latis, fuscis; hyphis congestis, erectis, simplicibus, septatis, 

 subaequalibus, leviter flexuosis, fuligineis (sub lente), 4-6 [j.. cras- 

 sis; conidiis secus hyphas insertis, spha^roideis, subtilissime verru- 

 culosis, fuscis, impellucidis (sub lente), 12-18 p.. diam. 



Hab. in Polysticho spinuloso, Mustiala Fenniae. 



4. Virgaria liydnicoia Peck 42 Rep. p. 32. — Hyphis minutis, fur- 7390 

 catis v. trichotorais, brunneis, raraulis subulatis leniter divaricatis; 

 conidiis globosis, minutis, 2,5-4 u.. diam. 



Hab. in Hydno quodam resupinato et albo, North Elba Ame- 

 ricae borealis. 



STREPTOTHRIX Corda (nec Cohn) — Sacc. Syll. IV, p. 283. 



1. Streptothrix glauca E. et E. Journ. Myc. 1888, p. 107. — CcBspi- 73^1 

 tulis pulvinatis, 1 inin. cr., contiuuis v. iuterrupte confluentibus et 

 plura cin. latis, albo-glaucis dein cinereis; hyphis valde et irregu- 

 lariter rainosis, 6 ^.. cr., extremitatibus liberis, crebre undulato- 

 crispis, conidia globosa, 4,5-5 p.. diara. hyalina gerentibus. 



