EXPLANATIONS AND REFERENCES, 

 PLATE LXXXIX. 



Figures magnified 250 diameters. 



PAGE. 

 Fig. 1-3. BULBOCHAETE SETIGERA, Var. Canbyii. . . 99 



" 4-5. BULBOCHAETE RHADINOSPORA, . 103 



" 6-9. BULBOCHAETE POLYANDRA, . ... 98 



