206 
Journal of Mycology 
[Vol. 12 
changing to black with perithecia; filaments hyaline to brown; 
conidia, hyaline elliptical or obovate, 5ft to 8ft by 2ft to 3^, borne 
terminally on erect hyphae in short, branching chains finally fall¬ 
ing together in clusters ; perithecia globose 90ft to 120ft in diam. 
black, carbonaceous, slightly hirsute below, with a smooth beak, 
.9 mm. to 2.1 mm. by 10 ft to 30 ft, adorned by one or more rings of 
short, spiny bristles, one of which is terminal; asci, obovate; 
ascospores, hyaline, reniform to elliptical, 4 /x to $/x by i.$jx to i.y/x. 
On the wood of Quercus rubra L., discoloring it. Collector 
P. Spaulding, southern Indiana, August, 1905. 
6 . Ceratostomella minor Hedgcock. Mo. Bot. Gard. 
Rept. 17:74-76, pi. 5, fig. 6, 7. Colonies with conidia, white, 
changing to black with perithecia; filaments, hyaline to dark 
brown, 1.5ft to 4/x in diam., often coarsely rugose in wood cells; 
conidia, hyaline, 4\x to 5.5 ft by 1.8ft to 2ft average, oval to ellip¬ 
tical, borne terminally on upright hyphae in short, branching 
chains; perithecia solitary, numerous, spherical, black, car¬ 
bonaceous, rugose, sparsely hirsute at the base, 40 jx to 70 /x in 
diam.; with a beak 120/x to 160 fx by 6 /x to I2ft surmounted at 
maturity by a ring of thick hyaline bristles; asci, fugacious, round 
to oval or pyriform; ascospores, 8, hyaline, 3.1/t to 4.2ft by .g/x 
to 1.9ft, usually in four. < 
On the wood of Pinus arizonica Eng., staining it blueish- 
black. Collector J. L. Webb, Flagstaff, Arizona, July, 1904. 
7 . Ceratostomella exigua Hedgcock. Mo. Bot. Gard. 
Rept. 17176-78, pi. 6, fig. 4-7. Colonies with conidia white, 
changing to intense black with perithecia; filaments, hyaline to 
dark brown, often finely rugose in wood, 2/x to 6 /x in diameter, 
conidia 3.5ft to 4.5ft by 1.6ft to 2.2«, oval to elliptical, borne 
terminally on upright hyphae in short, branching chains falling 
together in rounded masses; perithecia, often gregarious, usu¬ 
ally superficial, sparsely hirsute at base, black, carbonaceous, 
rugose, globose, 60ft to 80ft in diameter with a beak 150ft to 200/x 
by 8ft to 18/x, terminating in a ring of slender hyaline bristles; 
asci, fugacious, hyaline, pyriform to elliptical; ascospores, 8, 
often in fours, hyaline, elliptical to reniform, 2.1/x to 2.8ft by o.8/a 
to I.Ift. 
On wood of Pinus virginiana Mill., staining it dark blue 
or black. Collector A. D. Hopkins, Kanawha, W. Va., Sept., 
1904. 
8 . Ceratostomella moniliformis Hedgcock. Mo. B'ot. 
Gard. Rept. 77:78-80, pi. 5, fig. 3-5. Colonies with conidia, gray, 
changing to black, with the formation of perithecia; filaments, 
hyaline, 2ft to 8ft in diam., often granular, later brown or black; 
conidia, hyaline, 6ft to 8 /x by 1 .8ft to 2.2ft, elliptical to cylindrical, 
moniliform, collecting in masses, borne on simple or branching 
erect hyphae; perithecia brown or black, often membranaceous, 
