208 MICROSCOPIC FUNGI. 



Trichobasis linearis, Lev. Long Coen Hust; spots 

 yellow-brown. Sori elliptic, then elongated and linear ; epidermis 

 bursting;^ spores oblong or globose, yellow.— On leaves and 

 sheaths of Corn and Grasses. Summer. Common. (Plate YII. 

 figs. 143, lU.) 



Trichobasis Glumarum, Lev. Glume Eust; sori minute, 

 round, scarcely convex, subgregarious, often confluent. Spores 

 globose or subovoid, orange, not pedicellate; epispore smooth. 

 — On the glumes of Cereals. August. 



Trichobasis Symphyti, Lev. Comfrey Eust ; Sori 

 minute, very numerous, scattered, roundish, then confluent; 

 epidermis ruptured, scarcely conspicuous around the margin; 

 spores subglobose, pallid orange. — On Comfrey. 



Trichobasis Pyrolse, B. Wintergreen Eust; spots 

 yellowish-brown on the opposite side; sori globose, minute, 

 scattered or aggregate, on the under surface ; epidermis generally 

 closed ; spores subglobose, yellow. — On Ft/rola rotwidifolia, &c. 



Trichobasis Petroselini, B. Parsley Eust; spots 

 yellowish ; sori subrotund and oval, confluent, on both surfaces ; 

 epidermis at length ruptured; spores globose or subglobose, 

 occasionally obsoletely pedicellate, pale yellow.— On various 

 Umbelliferce, 



Trichobasis Senecionis, B. Groundsel Eust; spots 

 obliterated; sori solitary or regularly crowded, subrotund and 

 oval, on the under surface, surrounded by the ruptured epidermis; 

 spores subglobose, orange. — On vaiious species of Groundsel. 

 July. Yery common. (Plate VII. figs. 145, 146.) 



Trichobasis Caricina, B. Sedge Eust; spots red; sori 

 oval, minute, scattered, surrounded by the ruptured epidermis ; 

 spores subglobose, reddish, then brown. — On Carex pendula, C, 

 pseudo-cyperus, &c. June to August. Common. (Plate YIII. 

 figs. 170, 171.) 



* * Spores brown, 



Trichobasis oblongata, B. Luzula Eust ; spots oblong, 

 often confluent, yellow-brown ; sori elliptic, on both surfaces ; 

 epidermis closed ; spores brown, obtuse at either extremity. — On 

 Luzulce. May to July. (Plate YII. figs. 158, 159.) 



Trichobasis Scillarum, B. Hyacinth Eust ; spots 

 oblong or subrotund, crowded into patches ; epidermis bursting 

 longitudinally ; spores rubiginous, obovate, shortly pedunculate. 

 —On the Wild Hyacinth, &c. 



Trichobasis Cichoracearum, Lev. Hawkweed Eust ; 

 on both sides of the leaf, dark, fuscous, minute, round, scattered ; 

 spores globose, rarely minutely pedicellate. — On Thistles and 

 Hawkweed. July to September. Common, 



