Proc. Bioi.. nic. Wash., Vol. 31, L918. 



v 



Plate IV 



La \ 



kt 



Arctostaphylos nissenana Merriam. 



From near Louisville, Eldorado Co., Calif., Aug. 9, 1907. Type specimen No. S71M90 

 I*. S. National Herbarium. Not quite % natural size. 



