306 SHEAR: NEW SPECIES OF FUNGI 
have grown it in pure cultures on various media for several years, 
but it never produced spores of any kind. 
Sporotrichum Quercuum sp. nov. 
Sporotrichum sulfureum Grev. f. Quercuum Thiim. Mycotheca 
Universalis Exs. 0. 986, without description. , 
Cespitulose, tufts subglobose, somewhat floccose, gregarious or 
scattered, 0.12—-1 mm. in diam., sulphur-colored at first, becoming 
greenish as spores mature ; each tuft is composed of small rounded 
masses of fertile hyphae bearing conidia ; these masses are held 
' together rather loosely by yellowish, branched, sterile hyphae ; 
conidia greenish in mass, subglobose, 1.5—2/2 diam., borne at the 
ends of densely packed globose masses of conidiophores, the 
ultimate divisions of which are about 6 long. 
Type, zo. 986 Thiimen Myc. Univ., Dept. Agriculture set, on 
decaying oak leaf, collected by J. B. Ellis, in New Jersey presum- 
ably, summer of 1876. The species is common about Washing- 
ton in the summer and autumn on partially buried oak leaves ot 
various species and occasionally on leaves of other trees. It 1S 
also represented by vo. 1478 C.L.S., on buried leaves of Quercus 
coccinea and Castanea dentata, Takoma Park, Maryland, Septem- 
ber 24, 1906. 
The plant has a very characteristic macroscopic appearance. 
The groups of yellowish or greenish, globose masses when e€x- 
amined with a hand lens can be seen to consist of a cluster of 
smaller spore-masses, rather loosely held together by the floccose 
sterile hyphae. The larger hyphae at the base and interior of the 
mass are minutely roughened. Whether conidia are borne on 
these or not could not be determined. Judging from Greville’s 
figure (Scot. Crypt. Fl. g/. ro8. f. 2) our plant is not very 
closely related to his S. sadphureuim. 
Cladosporium Oxycocci sp. nov. 
; Sporophores hypophyllous, simple, septate, flexuous, yellow- 
ish-brown, erect or spreading, arranged in small tufts which arise 
from a small, compact, sclerotoid base and are scattered over the 
surface of reddish-brown spots which frequently become light- 
colored at the center when old, 50-100u long; conidia acroge 
nous, yellowish-brown, I-3 on each sporophore, subcylindrical or 
somewhat clavate when mature, continuous or uniseptate, 15-24 
X 3-4}. 
