POISONOUS SPECIES 



List of poisonous species, chiefly plants reported by cattlemen as poisonous 



to animals or as justly under suspicion. The list includes indifferently plants 

 in which the whole plant is poisonous or only some one part, as the root, leaf, 

 or seed. Only plants are listed which are described in the text. See General 

 [ndex. 



ACTAEA SPICATA Ait. (Willd.) var. 



aruuta Torr. 

 Aesculus californica Xutt. 

 Agrostemma githago L. 

 Anemone quinquefolia L. 

 Apocynum cannabinum L. 



ASCLEPIAS ERIOCARPA Bentll. 

 ASCLEPIAS MEXICANA C;iV. 

 Asclepias speciosa Torr. 

 Calycanthus occidentalis H. & A. 

 Gamassia esculexta Lindl. 

 Cyxoglossum graxde Dougl. 

 Datura meteloides DC. 

 Datura stramonium L. 

 Datura tatula L. 

 Delphixium mexziesii DC. 

 Delphixium recurvatum Greene. 

 Digitalis purpurea L. 



ESCHSCHOLTZIA CALIFORNICA Cham. 



Euphorbia lathyris L. 

 Heracleum lanatum Michx. 



Hypericum coxctxxum Benth. 

 Kalmia polifolia Wang. 

 Ledum glandulosum Xutt. 



LOLIUM TEMULENTUM L. 



Melilotus alba Desr. 

 Nicotiana glauca Graham. 

 Phytolacca decaxdra L. 

 Pruxus demissa Walp. 

 Rhododendron 1 califorxicum Hook. 

 Rhodendron occtdentale Gray. 

 Rhus diversiloba T. & G. 



RUMEX ACETOSELLA L. 



Sanicula bipinnata H. & A. 

 Senecio vulgaris L. 



SOLANUM NIGRUM L. 



Symphoricarpos racemosus Michx. 

 Typha latifolia L. 

 Veratrum californicum Dur. 

 Xaxthium caxadexse Xutt. 

 Xaxthium spixosum L. 

 Zygadenus fremontii Torr. 

 Zygadexus vexexosus Wats. 



GEOGRAPHICAL index ! 



Bay region, the valleys bordering 

 or opening to San Francisco and ►San 

 Pablo bays with the adjacent moun- 

 tain slopes. 



Coast Bang es, the complex of 

 ranges west of the Great Valley. See 

 North Coast Ranges, etc. 

 Gabilan Range, range east of the Sa- 

 linas Valley from the Pajaro River 

 south to San Lorenzo Creek. 

 Great Valley, the great central valley 

 of California, lying between the 

 Sierra Xevada and Coast Ranges. 



Howell Mountain, plateau mountain 

 in Xapa Range east of St. Helena 

 town. Most excellent botanizing 

 ground. 



Inner Coast Range, the range next to 

 the Great Valley; it is composed 

 of a number of distinct ranges with 

 specific geographical names. 



Inner North Coast Range, the range 

 bounding the Sacramento Valley on 

 the west (including the Vaca Moun- 

 tains north to the Trinity Moun- 

 tains). 



1. This list includes only the important mountains, ranges and valleys in the Bay region 

 and adjacent territory. 



Jepson, Flora of Western Middle California, 2d ed., 1911. 



