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MOUNT RORAIMA IN BRITISH GUIANA, 101 
IV. THALLOPHYTA. 
FUNGI. By G. Masser, PLS 
PHOMA PsAMMISLE, Massee, n. sp. Macul nullie; perithecia epidermide tecta, gregaria, 
500 » diam., atra, ostiolo papillato pertusa; sporæ ellipticee, 2-guttulate, 10-11 X 3 u. 
Spots absent; perithecia gregarious, covered by the grey raised epidermis, lenticular, 
averaging 500 p in diameter, black, glabrous ; ostiolum minute, papillate; texture paren- 
chymatous, dense, olive; spores hyaline, elliptical, ends obtuse with two minute polar 
guttule, 10-11 X3 p. 
On dead branch of Psammisia coriacea, N. E. Brown. 
& Quelch. 
Allied to P. stictica, Berk. et Broome. 
Summit of Roraima, Me Connell 
ECHINOBOTRYUM ROSEUM, Massee, n. sp. Mycelium tenuissimum vix manifestum, 
album; hyphæ fertiles erectæ, septate, hyalinæ, 4 u crassæ. Conidia in apicibus 
hypharum fertilium densius aggregata, sessilia, fusoidea, 15—17 X 6 p, roseo-tincta. 
Sterile hyphæ prostrate, hyaline, septate, branched, about 4 u thick, loosely interwoven 
into a very thin white layer; fertile hyphz erect, septate, simple, hyaline, 4 » thick, 
apex minutely nodulose and producing numbers of sessile spindle-shaped, pale rose- 
coloured conidia measuring 15-17 X 6 p. 
Parasitic on Octomeria parvifolia, Rolfe. 
696. 
Allied to Æ. læve, Sacc., from which the present differs in the form and colour of the 
spores. 
Summit of Roraima, WeConnell & Quelch, 
STEMPHYLIUM ERICOCTONUM, A. Br. & de Bary, Krankh. d. Pflanz. (1854), p. 18, tab. 2. 
On living branches of Leitgebia Imthurniana, Oliver. Summit of Roraima, Me Connell 
& Quelch. 
Europe. 
MACROSPORIUM RAMULOSUM, Sace. Fung. Ital. tab. 854 (1881). 
On fading leaves of Tofieldia Schomburgkiana, Oliver. Summit of Roraima, Me Connell 
& Quelch. 
Europe, and in the Andes of Colombia. 
CarNODIUM FIBROSUM, Berk. in Hook. Fl. Nov. Zel. ii. (1855), p. 209. 
Forming a black bristly pile on living twigs of Psammisia. Summit of Roraima, 
MeConnell & Quelch, 662. 
N. Zealand. 
RHIPIDONEMA MEMBRANACEUM, Sace. Syll. vi. (1888), p. 688. 
On bark. Roraima, 8000 ft., WeConnell & Quelch, 508, 526. 
Amazon Valley; Marianne Islands. 
