EXPLANATION OF PLATE III 



Hemitrichia davata (Pcrs.) Rost., p. 206. 

 Fig. i. Three sporangia, one closed, x 8. 

 Fig. I b. A single spore, x 1400. 



Jlcinitrichia vesparium (Batsch) Macbr., p. 203. 

 Fig. 2. Tip of the elater or capillitial thread, x 1400. . 

 Fig. 2 a. A single spore, x 1400. 



Trichia ioivensis Macbr., p. 211. 

 Fig. 3. A cluster of sporangia, x 5. 

 Fig. 3. Tip of a branching elater, x 750. 

 Pig. 3 b. A single spore, x 750. 



See also Plate X., Fig. 5. 



Heinitricliia serpula Scop., p. 201. 



Fig. 4. A plasmodiocarp, x 3. 

 Fig. 4 a. A single spore, x 1400. 

 Fig. 4/>. An elater-tip, x 1400. 



Trie Ilia inconspicua Rost., p. 210. 



Fig. 5. A cluster of sporangia, x 12. 

 Fig. 5 a. Tip of an elater. x 1400. 

 Fig. 5 b. A single spore, x 750. 



Crateriitiii jnaydis Morg., p. 74. 



Fig. 6. A single sporangium, x 20; shows calyculus. 

 Fig. 6 a. A single spore, x 1000. 



Phyxitniin auriscalpium (Cke.) Lister, p. 38. 

 Fig. 7. A single sporangium, x 20; a New York specimen. 

 Fig. 7 a. A single spore, x 1000. 



rcvria incarnata noiiitl<>*a Macbr., p. 194. 

 Fig. 8. Capillitial thread, x 1200. 



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