EXPLANATION OF PLATE IV 



Trichia persimilis Karst., p. 213. 

 Fig. i . Var. intermedia, x about 6. 

 Fig. i a. Spore of same species, x 1400. 

 Fig. i b. A second spore to show varying episporic network. 

 Fig. i c. Tip of elater, shows vertical connecting bands. 



Trichia decipiens (Pers.) Alacbr., p. 218. 

 Fig. 2. Sporangia, x about 8. 

 Fig. 2 a. A spore of the same species, x 1400. 

 Fig. 2b and 2c. Elaters of the same species, x about 225. 



Trichia varia (Pers.) Rost., p. 212. 

 Fig- 3- Sporangia, x about 8. 

 Fig. 3. A spore of the same species, x 1000. 

 Fig- 3 b. An elater of the same species, x 750. 



Trichia scabra Rost., p. 213. 

 Fig. 4. Sporangia, x about 8. 



Fig. 4 a. A single spore of the same species, x 1400. 

 Fig. 4^. An elater-tip of the same, x 1400. 



Trichia favoginea (Batsch) Pers., p. 214. 



Fig. 5. Sporangia, x about 8. 



Fig. 5 a. A single spore of the same, x 1400. 



Fig. 5 b. A single elater-tip of the same, x 1400. 



Trichia persimilis Karst., var. abrnpta Cke., p. 214. 



Fig. 6. An elater-tip, x 1400. It will be noticed that the spirals are con- 

 nected by vertical bars. 



Fig. 6 a. A single spore of the same variety, x 1400. 

 Fig. 6b. A single spore, from the same sporangium as 6 a. 

 Fig. 6c. Trichia persimilis, a single spore, >: 1400. 

 Fig. 6d. Tip of an elater from the same, x 1400. 



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