1913] GODDARD—SOIL FUNGI 273 
radiate, hemispherical, soon dark brown (dark umber) in the center, 
finally dusty brown with tufts of coremia, the whole having a nar- 
row white border; reverse color rusty to dark brown; medium 
often changed to creamy, cheesy mass especially on ammonium 
nitrate media (nos. 1 and 2). Hyphae branched, hyaline, septate, 
3-3-4.1 broad. Coremia 
in bushlike tufts 1-5 mm. 
in diameter; single coremia 
1~3 mm. high, made up of 
a slender stalk and an ex- as 
panded, cylindrical, brush- ° 
like head; head made up of 
long hyphae which send 
out short side branches 
each of which bears a 
single basidium or branches 
trichotomously, each divi- 
sion bearing a basidium- 
like cell. Basidia flask- 
shaped, 5-7» long, each 
bearing a long chain of 
spores. Spores are also fo QO 
produced in simple, umbel- , Qe 
late clusters which are p® 
borne on short side . I é 
1 


branches. These clusters 
form especially at the edge Fic. 12.—Monilia Koningi Oudem.: a, 
of the medium. Conidia habit sketch; 6, conidial ican ie ; 
: s 160; é, chain of conidia, > Js 
Oi ea geteatate caidas cells, X380; g, mature spores, 
~~ ; X 380. 
jomned by a short neck, 
3-5~4.5X6-8 uw in diameter, pale bluish green when single, umber 
brown in mass.—F ig.:%3. 
Trichoderma nigro-virens, n. sp.—Mycelium orbicular, at first 
white, spreading to form a thick, floccose mat, later developing 
Successive concentric, dark green (nigro-virens) zones alternating 
with white, green zones preceded by white granular zonation, dark 
