WILD FLOWERS OF CALIFORNIA 



1035. Purple Star Thistle C. Calcitrapa 



1036. Escobilla C. Salmantica 



1037. Turkestan Thistle C. Picris 



1038. 



Carthamus lanatum 



Very stout yellow spines 1 

 to 2 inches long. Heads 

 at first concealed by the 

 spines. Flowers purple ; 

 not common. Burlingame, 

 San Mateo, Vacaville. 



Bracts not spiny. Purple 

 flowers. Healdsburg. 



Very common in imported 

 alfalfa seed and should be 

 watched for. 



Rigid prickly clasping 

 leaves ; bracts spiny. Yel- 

 low flowers. Introduced 

 San Francisco. 



1039. Artichoke 



Cynara Scolymus 



A large plant with large spiny leaves. Heads very large and solitary. Con- 

 spicuous from trains after leaving Benicia for a few miles; also Napa, Alameda 

 and Los Angeles. An escape from vegetable gardens. European. 



1040. Burdock Arctium lappa 



A plant with large coarse leaves heart-shaped at the base. Heads pink or 

 purple. Forming a bur in fruit with conspicuous hooked spines. Well known 

 medicinally by "B.B.B." Seeds 25 cents per pound. Roots 25 to 30 cents per pound. 

 Introduced from Europe. Noxious weed getting started at Riverside. Frequent 

 in Eastern States. 



1041. A. minus Similar and probably intro- 



duced. 



MUTISIA TRIBE MUTISIEAE 



1042. Perezia microcephala 



A branching perennial plant several feet high with rough thin leaves and nu- 

 merous heads of bilabiate, rose-colored to white corollas; pappus white, soft. 

 Rather common, chaparral belt, San Luis Obispo to western San Diego county. 



1043. Trixis angustifolia var. 



Low desert shrub with strong scented herbage like that of wormwood. Heads 

 solitary or a few at the ends of the branchlets. Bilabiate bright yellow flowers. 

 Stony or gravelly soil. Colorado Desert. 



CHICORY TRIBE CICHORIEAE 



1044. Chicory, Succory Cichorium intybus 



Although a weed one cannot help but admire its beautiful sky-blue flowers. It 

 has a strong perennial tap root not easily eradicated. A variety of this species is 

 extensively cultivated for its roots which are dried, roasted and ground and 

 quite generally used with coffee. The blue flowers when attacked by wood ants 

 which excrete formic acid turn to a brilliant red. Bay Region, Los Angeles, San 

 The Endive of the gardens is Cichorium Endivia. 



A thistle - like erect plant 

 with spiny lobed leaves 

 and large heads of yel- 

 low flowers. Introduced 

 from Europe. Los Gatos. 

 Leaves and stalks used 

 for food in Spain. 



Diego and elsewhere. 

 1045. Golden Thistle 



Scolymus Hispanicus 



1046. 



Rhagadiolus Hedypnois 



A European weed found 

 naturalized in a few places 

 in Sonoma and Mariposa 

 Counties. Also San Diego. 



