themselves. Includes seaweeds; fungi, lichens, & mosses; ferns 

 and fern allies; grasses, sedges, & rushes; flowers; shrubs; and 

 trees. 



Gillett, George W., John Thomas Howell, and Hans Leschke. 

 1961. A flora of Lassen Volcanic National Park, California. 

 Wasmann Journal of Biology, Volume 19, University of San 

 Francisco, San Francisco. A technically excellent treatment of 

 this local flora, also of value to the layman. Species are keyed 

 first to family, then to genus and species. In the annotated 

 catalogue, localities and habitats are given for each species. 



Grillos, S. J. 1966. Ferns and fern allies of California. Univ. Calif. 

 Press, Berkeley and Los Angeles. Natural History Guide 

 Series. An introduction to the ferns and their allies most com- 

 monly encountered in the field. 



Hall, Harvey M., and Carlotta C. Hall. 1912. A Yosemite flora. 

 Paul Elder & Co., San Francisco. An excellent book on the 

 flora of Yosemite for the botanist and advanced amateur, 

 still very useful despite its early date of pubHcation. 



Hood, Mary, and Bill Hood. 1969. Yosemite wildflowers and 

 their stories. Flying Spur Press, Yosemite. Contents are selec- 

 ted from among those with showy flowers. Black and white 

 photos, line drawings, key, and map. Historical and ecological 

 notes included. Indices to common names, scientific names, 

 and to persons and mythology. 



Hoover, Robert F. 1970. The vascular plants of San Luis Obispo 

 County, California. Univ. CaHf. Press, Berkeley and Los Ange- 

 les. A flora approach with occurrence, keys to species, distri- 

 butions, and descriptions included. 



Howell, John T. 1970. Marin flora. Univ. Calif. Press, Berkeley 

 and Los Angeles. Manual of the flowering plants and ferns of 

 Marin County, California. A technical manual useful to both 

 botanist and advanced amateur, which is also aesthetically 

 very satisfying. Its beautifully written introductory chapters 

 appeal to all Marin County enthusiasts. 



Howell, John T., Peter H. Raven, and Peter Rubtzoff. 1958. A 

 flora of San Francisco, CaHfornia. Wasmann Journal of Biology, 

 Volume 16, Univ. San Francisco, San Francisco. An account 

 of one of our outstanding local floras which is rapidly being 



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