472 General Notes. [June, 
The genus as here defined includes the species of the old 
genus Podisoma. | 
. 1. G, lisa Farlow.—Sporiferous masses numerous, scattered, 
cylindrical, filiform, from one-eighth to a quarter of an inch high; 
spores dark yellow, linear-fusiform, obtuse, usually three to four- 
celled, sometimes one to five-celled, 10 to 16 uw. in diameter, 75 
to 190 yw. long, average 120 to 150 ».; pedicels long and slender; 
promycelia short and much curved, usually one from each cell. 
Mycelium perennial, distorting the smaller branches. On Cupres- 
sus thyoides, N.J., Ma 
2. G. clavarieforme De Cand.—Sporiferous masses numerous, 
scattered or aggregated, yellowish-brown when dry, bright yel- 
low when swollen, cylindrica slightly compressed, acute or 
occasionally forked at the ¢ex, from a quarter to half an inch 
igh ; spores narrowly lanceolate, those on the outside of the 
gelatinous masses clavate, two-celled, 13 to 19 mw. broad, by 
55 to gO ». long; promycelia usually one or two from each 
cell. Mycelium perennial, causing long fusiform swellings of the 
branches. On Funiperus communis, Maine. 
3. G. macropus Lk.—Sporiferous masses aggregated in globose 
tufts, surrounded at the base by a ring formed by the raised epi- 
dermis and subepidermal tissue of the host plant, orange-yellow, 
cylindrical, acuminate, half an inch to an inch long, or at times 
longer; spores ovate-acute, two-celled, generally constricted at 
the septum, and with a papilla at the apex, 15 to 20 p. broad, by 
45 to 60 ». long; promycelia generally four from each cell. My- 
celium annual, producing globose or reniform knots in the smaller 
branches. On Funiperus Virginiana. Mass. to S. C. and west- 
ward to Wis., Mo. and Colorado 
4. G. fuscum De Cand.—Sporiferous masses numerous, get- 
erally approximated brownish when dry, dark-orange when swol- 
len, a quarter to half an inch high, compressed-conical or wedge- 
shaped, upper margin thick, rounded, sometimes notched ; spores 
roundish-ovate, two-celled, frequently constricted at the i 
38 to 53 ». long, by 15 to 22 ». broad; upper cell either nearly 
hemispherical or obtuse ; promycelia generally four from ¢ac® 
cell. Mycelium perennial, causing long swellings of the branches. 
On Funiperus Virginiana and ¥. communis. Mass., M 
llowish- 
ssed- 
4 
