Sept. 1906 ] Some Wood Staining Fungi , Etc. 
209 
form, stalks .3mm. to 2mm. by 30/A to 300/A, varying from yel¬ 
low to dark brown at the base; Ant him- like, stromatal forms 
present. 
Found on sapwood of Fagus atropunicea (Marsh.) Sud., 
staining it brown. Collected by P. Spaulding, Arkansas, Sept., 
1905. 
15. Graphium ambrosiigerum Hedgcock, Mo. Bot. Gard. 
Rept. 1 7 :85-86, pi. 8, fig. 4-7. Colonies white, changing to 
brown in stromata; filaments 1.5/A to 2.5/A, hyaline to brown; 
secondary conidia 3.7/A by 1.3/A, hyaline, oval to elliptical, borne in 
whorled clusters of simple conidia on upright hyphae; primary 
conidia 5/a by 3/a, borne on filaments in stromatal heads; heads 
oval without mucous sheath, white to dark brown, with sheath, 
spherical, 30/1 to 300/a; stalks black or brown, 500/A to 900/A by 
io/a to 40/A, simple or gregarious. 
On the sapwood of Finns arizonica Eng. in beetle holes 
staining it black. Collected by J. L. Webb, Flagstaff, Arizona, 
July, 1904. 
16. Fusarium roseum Link Sp. PI. Fungi 2:105. Fusi- 
dium roseum Link Obs. 2:31. Colonies white, changing to pink, 
red, or lilac; microconidia one- to two-celled, hyaline, oval to 
elliptical, 8/a to 14/A by 3/a to 6/a, often uninucleate; macro- 
conidia, 19/A to 30/A by 3.5/A to 6/a, straight or slightly curved, 
fusiform, two- to four-celled; chlamydospores, spherical, or 
slightly flattened, granular, yellow to dark brown, io/a to 14/A in 
diameter; dark green or brown sclerotia present in cultures on 
boiled potato; staining pine sapwood pink to lilac. 
On the sapwood of Finns strobus L., Ashland, Wisconsin. 
Collected by H. von Schrenk, April, 1905. 
Saccardo gives several varieties of Fusarium roseum, most 
of which differ greatly in the size of the microconidia. Those of 
our fungus are smaller than most of the measurements given by 
Saccardo, making it a little doubtful if the species is F. roseum . 
17. Hormodendron cladosporioides (Fres.) Sacc. Mich. 
2:148. Penicillium cladosporioides Fres. Beitr. 3:22. Colonies, 
gray or greenish yellow, changing to velvety brown or black; 
filaments, gray to olive, 2/a to 8/1; sporophores, ioo/a to 400/A 
by 3/a to 4/a, with branches one to three-septate, measuring 6/a to 
15/t by 3/a to 5/a; conidia, 3/a to 7/a by 2/a to 4/a, usually uni¬ 
cellular, oval, olive, or brown, in short, branched chains of two 
to six, staining sapwood black. 
On the sapwood of pine, elm, gum and oak, Missouri and 
Arkansas. Collected by H. von Schrenk and Geo. G. Hedgcock. 
18. Hormodendron griseum Hedgcock, Mo. Bot. Gard. 
Rept. 77:100, 101, pi. 10, fig. 2. Colonies gray, changing to 
dingy black, furry; filaments, granular, hyaline to gray or 
black, 3/a to io/a in diameter; sporophores, 20,a to 8oo/a by 
