EXPLANATION OF PLATE II 



Pn'uliaina (orthalis (Batsch) Rnst., p. 243. 

 Fig. \. Sporangia, X 10. 



Fig. \ a. A single spore, :i> if in section, X 900. 

 Fig. 1 h. The capillitiai tlirtad, X 750. 



Laihnohnlus oiddintalis Macbr., p. 246. 

 Fig. 2. The sporangia, X S. 

 Fig. 2 a. A portion of the capillitiuin, X 750. 

 Fig. 2 b. Spores, X 750. 



See also 4 and 4 a lielow. 



Arcyrhi cirtrrra (Bull.) Pers., p. 254. 

 Fig. 3. The expanded fructifications, X 5. 

 Fig. 3 a. rip of a single capillitium mass, X 40. 



Laclin(i])olus o<< iihnlalis Machr., p. 246. 



Fig. 4. A cluster of sporangia, X 3 ; cylindric type. 



Fig. A- a. Capillitium, X 750; to show characteristic 

 surface of the threads. 



Arcyria dcnudata (Linn.) Pers., p. 253. 

 Fig. 5. Sporangia, two expanded, one still closed, X 20. 

 Fig. 5 a. A part of the capillitium of the same species, 

 X 750. 



Arcyria nutans (Bull.) Grev., p. 249. 

 Fig. 6. Expanded capillitium, etc., X 10. 

 Fig. 6rt. Capillitium, X 750. 

 Fig. 6 h. A piece of the capillitium thread, X 1400. 



Ophiollnra ii-ruihtii Berk. & C, p. 241. 

 Fig. 7. A single sporangium, X 8. 

 Fig. 7 a. A node of the capillitiai thread, X 750. 

 Fig. 7 /;. A spore, X 750. 



OHijonrma nitens (Lib.) Rost., p. 280. 

 Fig. 8. A single elater, X 750. 

 Figs. 8 a and 8 b. Spores, X 1000. 



Badhamia truurocarpa Rost., p. 7. 

 \'ar. (jracilis. 

 Fig. 9. Two sporangia, X 600. 



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