70 PHARMACAL PLANTS AND THEIR CULTURE. 



112. Arctostaphylos tomentosa Dougl. Manzanita. Ericacece. 

 Less common than A. manzanita, but closely similar and similarly 



used. 



113. Arctostaphylos uva ursi Spring. Bearberry. Mountain box. 

 Rockberry. Ericacece. 



Cultivated. Well known medicinally. 



114. Argemone mexicana L. Prickly poppy. Papaveracece. 

 Common in cultivation. The plant has marked emetic, purgative 



and narcotic properties. Extensively used medicinally for all sorts 

 of ailments, as a cathartic, etc. 



115. Aristolochia and Asarum species. (See Asarum.) Aristoloch- 

 iacece. 



The species have long been known medicinally. The native species 

 require further study. (Calif. Geol. Surv. Bot. 2 : 101.) 



116. Aristolochia serpentaria L. and A. reticulata Nutt. Snake- 

 root. Serpentaria. Aristolochiacece. 



Not yet introduced, but would no doubt thrive well in moist, hilly 

 woodlands. 



117. Armeria vulgaris (Statice Armeria). Maiden pink. Plum- 

 baginacece. 



Said to be an active diuretic. Should be more carefully studied. 



118. Arnica species. Arnica. Composite. 



The California species require further study. The medicinal A. 

 montana of Europe is reported from the northwestern United States. 

 Is readily cultivated. Used in catarrh, nervous affections, dysentery, 

 rheumatism, dropsy, gout, etc. The entire plant may be used; the 

 flower heads are, however, preferred. 



119. Arnica fulgens. Arnica. Composite. 

 Poisonous. 



120. Arnica monocephala. Arnica. Compositce. 

 Poisonous. 



121. Arnica montana L. Arnica. Composite. 



Well known. Flowers and roots and rhizomes used. Could be cul- 

 tivated. 



122. Artabotrys odoratissima R. Anonacece. 



A native of India, cultivated in southern California. The flowers 

 yield the famed volatile "ylang-ylang" oil of the Chinese. 



123. Artemisia species. Compositce. 

 Native and introduced species are common. 



