PHACIDIUM. 393 
acute at the ends, 5 to 9 pseudo-septate, 80 x 4; para- 
physes filiform, simple, clavate at the apices, adherent. 
Spermogonia intermixed with the above, punctiform, 
black, acutely umbonate; cavity simple, sinuose, narrow ; 
spermatia filiform, slightly bent, about 10 x Iu. 
Xyloma Pini—A. and S., “ Consp.,” p. 60, t. 5, f 8. 
Phacidium Pini—Fries, “Sys. Myeo.,” ii. p. 573; “Eng. 
Flo.,” v. p. 292 ; Curr., “Linn, Trans.,’ xxiv. t. 25, f: 36 ; 
Cooke, “ Handbk.,” No. 2262; Tul. “Select. Fung. Carp.,” 
lll, p. 1386; Fekl., “Symb. Myco.,” p. 263, t. iv. f. 31. 
Phacidium valvatwm—Schmidt, “Myco. Heft.” i. p. 30, 
t. 2, f. 11. Coccomyces Pini—Karst., “Myco. Fenn.,” 
. 254, i 
Exs.—Fries, “Scl. Suec.,” 62; Fekl, 1095; Roumg., 
Fung. Gal.,” 1268. 
On bark of Pinus sylvestris. 
Name—Pinus, the generic name of the tree on which 
it grows. 
Common ! 
12. Phacidium dentatum. Schmidt. 
Orbicular or subquadrate, plane, depressed in the 
centre, shining, black, seated on pallid spots, at length 
splitting into 4 or 5 acute lacinie; hymenium dirty- 
yellow, somewhat livid; asci cylindraceo-clavate ; 
sporidia 8, filiform, 80 x 2°54; paraphyses filiform. 
Phacidium dentatum—Schmidt, “Myco. Heft,” i. 
147; Fries, “Sys. Myco.,” p. 577; Berk., “Eng. Flo.,” v. 
p. 292; Fekl., “Symb. Myco.,” p. 261; Corda, “Icon.,” 
ii. f. 81; Tul., “Select. Fung. Carp.,” iii; p. 182; Cooke, 
“Handbk.,” No. 2266; Gill., “Champ.,” p. 166, ¢. i. 
Exs.—Moug. and Nest., No. 561; Schmidt, No. 206 ; 
Fekl., “F. Rh.” No. 1090; Ayres, No. 71; Berk., No. 93; 
Cooke, “ Fung. Brit.,” 458, ed. ii. 449; Roumg,, “ Fung. 
Gal.,” 68; Rav., “Fung. Am.,” 318. 
On fallen oak-leaves. 
About } of a line broad. 
Name—Dens, a tooth ; toothed. 
Common | 
