166 NEW OR NOTEWORTHY FUNGI. 



Stem slender, straight, equal, simple or dicliotomous, 150-250 /x 

 x4-6/x; brandies verticillate or opposite, ultimate ramuli 

 (basidia) most often in threes ; conidia elliptic or ovate, acute at 

 each end, 9 /x x 3 /x (milii); 3-4 /x x 2 /x or 5 /x x 3 /x (Sacc.) 

 (Tab. 2.50, fig. 8). 



On dead moss and rotting wood, Sutton (Wk.), Sept., forming 

 a thin white pulverulent stratum. 



64. Uhinutrirlium Thivaitcsii B. & Br. Cooke, Handbk. p. 590. 

 — Var. FULVUM mihi. 



Typo prffiter colorem fulvum conidiaque paulo laviora simil- 

 limum. 



In ligno putri, " Hampton-in-Arden " (Wk.), August. Denique 

 fere fuscum. 



65. Dactylella rhombospora, sp. n. — D. sparsissima, tener- 

 rima, D. viimita; simillima, nonnisi conidiorum figura differens, qua) 

 crasse fusoidea sunt, quasi rliomboidea, utrinque rotuudata, gut- 

 tulata. (Tab. 257, fig. 4). _ 



In ligno putresceute corticeque parcissime dispcrsa, " Se]ly 

 Oak," prope Birmingham (Ws.), Sept. In genere Dactylella nunc 

 hyphas fertiles septatas erui. 



'^-Ilawuhina Lapsaiui Sacc. Fung. Ital. 995 (1881) ; Mich. ii. 549 

 {im'2.).—Fnsidium ci/lindricwn Fckl. Sym. Myc. p. 871 (1869) ; Ph. 

 et PI. Grevillea, iv. 120 (1876) ; et aliorum, nee Cordae. — 

 C'ylindrium, Corda; Sacc. Fung. Yen. v. 186 (1876) ; Mich. i. 535 

 (1879). 



Hyphffi tufted, erect, simple or shortly branched, 80-50 /x x 3/x. 

 continuous; conidia cylindric-fusoid, 10-15 /x x 3-5-4 /x, hyaline, 

 continuous, in branched chains. 



Forming small roundish patches on the lower face of living 

 leaves of Lapsana coviviimis, Hampton, Barston, &c. (Wk.). Aug. 

 Sept. 



HYALOPUS CoRDA (1838, eniejid. 1840). 



Stem erect, hollow, filiform, continuous or septate : hypho- 

 podium none or spurious. Conidia capitate, simple, couglutinate, 

 acrogenous. 



This genus requires revision ; the other species mentioned by 

 Corda (Ic. ii. 16) are not congeneric with the one here recorded, for 

 which a new genus should be formed. This I hope Professor 

 Saccardo will do in his forthcoming ' Sylloge Fungorum,' vol. iv. 



66. Hyahims ater Corda, Ic. iv. 29, pi. vii. fig. 89 (1840) ; Bon. 

 Handb. p. 80 (1851).— Stil hum atnnu Bab. Krypt. Fl. 123 (1844). 



Effused, black, velvety; hyphopodium thin, yellowish, grumous; 

 stem simple, filiform, subulate, septate, diaphanous, pallid above, 

 brown below ; head of spores globose, white, tlien yellowish ; 

 spores oblong, obtuse, hyaline, 5-6 /x x 2^-3 /x. (Tab. 250, fig. 6.) 



On decayed w^ood Sutton (Wk.), Oct. — April. Stems occcuring 

 in little tufts, surrounded at the base by a grumous mass, 200-250 /x 



