EXPLANATION OF PLATE XII 



Stemonitis smithii Macbr. 



Figs. 268, 269. Habit, X 5; spores, X 1200. 



Stemonitis flavogenita Jahn 



Figs. 270, 271. Habit, X 5; spore, X 1200. 



Stemonitis carolinensis Macbr. 



Figs. 272, 273. Habit, X 5; spore, X 1200. 



Stemonitis pallida Wing. 



Figs. 274, 275. Habit, X 5; spore, X 1200. 



Stemonitis herbatica Peck 



Figs. 276, 277. Habit, X 10; spore, X 1200. 



Comatricha cazspitosa Sturgis 



Figs. 278, 279. Habit, X 5; spore, X 1200. 



Comatricha cylindrica (Bilgr.) Macbr. 



Figs. 280, 281. Habit, X 5; spore, X 1200. 



Comatricha rispaudii Hagelstein 



Figs. 282, 283. Habit, X 7; spore, X 1200. 



Comatricha ftaccida (List.) Morg. 



Figs. 284, 285. Habit, X 5; spore, X 1200. 



Comatricha irregularis Rex 



Figs. 286, 287. Habit, X 5; spore, X 1200. 



Comatricha laxa Rost. 



Figs. 288, 289, 290. Habit, X 15; capillitium, X 250; spores, X 1200. 



Comatricha suksdorfii E. & E. 



Figs. 291, 292. Habit, X 5; spore, X 1200. 



Comatricha typhoides (Bull.) Rost. 



Figs. 293, 294. Habit, X 5; spore, X 1200. 



Comatricha subccespitosa Peck 



Figs. 295, 296. Habit, X 10; spore, X 1200. 



Comatricha nigra (Pers.) Schroet. 



Figs. 297, 298. Habit, X 7; spore, X 1200. 



Comatricha elegans (Racib.) List. 



Figs. 299, 300. Habit, X 10; spore, X 1200. 



