GYROCERAS — ECHINOBOTRYUM. 365 



GYKOCEKAS. Corda. (fig. 11, p. 313.) 



Sterile hyphae creeping, vaguely branclied. Conidia dark 

 coloured, cuboid, for a long time coherent in long cylindrical 

 chains that are more or less curved or circinate towards the 

 tip. 



Gyroceras, Corda, Ic. Fung., i. p. 9 ; Sacc, Syll., iv. 

 p. 206. 



Distinguished from Torula by the cuboid conidia forming 

 chains that are more or less curved. 



Gyroceras plantaginis. Sacc. (fig. 11, p. 313.) 



Forming rather large, iriegular, velvety, black patches on 

 the under surface of leaves ; sterile mycelium creeping, 

 branched ; chains of conidia erect, brown, springing in 

 fascicles, simple or rarely furcate, incurved ; conidia sub- 

 quadrate, 9-13 yu, or 10 X 5 /x, smooth, brown, 1-guttulate. 



Gyroceras plantaginis, Sacc, Mich., i. p. 226 ; Sacc, Syll., iv. 

 n. 1295. 



Torula plantaginis, Corda, Ic, iii. p. 5, t. i. f. 14. 



On leaves of Flantago media. 



Tribe 3. Echinohotryeae. Sacc 

 ECHINOBOTRYUM. Corda. (fig. 12, p. 313.) 



Hyphae slender, simple or with short branchlets ; conidia 

 elliptical or lemon-shaped, smooth or minutely warted, 

 brown, continuous, produced in clusters at the tips of the 

 hyphae. 



EcMndbotryum, Corda, Anleit., p. 10; Sacc, Syll., iv. 

 p. 268. 



Echinobotryum atrum. Corda. (fig. 12, p. 313.) 

 Appearing as minute blackish tufts that usually become 

 confluent; conidia pear-shaped, fixed by the broad end, apex 

 beaked, pale, remainder brown, minutely warted, 10-12 x 

 6-8 /x, grouped in stellate clusters ; hyphae pale brown, 

 septate. 



