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1. J. Californica CaiT. — Walnut Creek. 

 Spring. 



Class 2. CKYPTOGAM^. 



Section 1. DiCHOTOMiE (Lycopodiaceoe). 

 Ramification dichotomous. Each leaf produc- 

 ing only one sporangium, borne on the upper 

 surface of the leaf or near its axil. 



Family 1. SELAGINELLEiE. 



Macrosporangia and Microsj^orangia. Leaves 

 small and of two different kinds. 

 1. Selaginella Bean v. 



Sporangia axillary, globose, transversely de- 

 hiscent. — U' Leaves 4-8-ranked. 



1. S. RUPESTRis. — spring. Tamalpais. 



Family 2. ISOETE^. 



Heterosporous. All leaves long and grass- 

 like. 



1. Isoetes L- QuiLLwoiiT. 



Characters of the family of which it is the only 

 genus known. 



1. sp. Submerged aquatic. — Corte Madera. 

 Found by Mrs. Curran, but not yet identified. 



2. sp. Growing on places inundated only 

 during the rainy season. — Olema. 



Found by Mrs. Carran, but not yet identified. 



