20 



WILD FLOWERS OF CALIFORNIA 



158. 



159. 



160. 

 161. 



162. 



163. Pennycress 



164. Alpine Pennycress 



165. Common Pepper- 



grass. 



166. Tall Pepper-grass 



167. Wayside Pepper- 



grass 



168. Long W r inged Pepper- 



grass 



169. Alkali Winged Pep- 



per-grass 



170. 



171. 

 172. 



173. 



174. 

 175. 

 176. 



177. 

 178. 



179. Hoary Cress 



180. Dwarf Cress 



181. False Flax 



182. Ti 



Pod 



183. Wart Cress 



184. Swine Cress 



185. 



186. Wild Radish 



187. Garden Radish 

 187a. Rocket Salad 



Thysanocarpus radians 



Thysanocarpus emarg- 



inatus 

 Thysanocarpus erectus 

 Athysanus pusillus 



Athysanus unilateralis 



Thalaspi arvense 



Thalaspi alpestre 

 Lepidium nitidum 



Lepidium medium 



Lipidium bipinnatifidum 



Lepidium latipes 



Lepidium dictyotum 



Lepidium oxycarpum 



Lepidium strictum 

 Lepidium Menziesii 



Lepidium lasiocarpum 



Lepidium flavum 

 Lepidium intermedium 

 Lepidium Fremontii 



Lepidium montanum 

 Lepidium campestre 



Lepidium Draba 

 Lepidium nanum 

 Camelina sativa 



Physaria didymocarpa 



Coronopus didymus 



Coronopus Ruelli 



Biscutella californica 

 Raphanus Raphanistrum 



Raphanus sativus 



Eruca sativa 



Low hills, Central Califor- 

 nia. 

 Mt. Diablo region. 



Guadalupe Island. 



Gravelly hills, coast range 

 and Sierra foothills. 



Livermore Valley and south. 



Introduced weed. Abund- 

 ant at Adin, Modoc Co. 



Yreka and Plumas Co. 



Common everywhere. 



Coast ranges. 

 Throughout California. 



Pools of alkali flats. Gen- 

 eral. 



Alkali soils, Livermore Val- 

 ley south, also Eastern 

 Sierras. 



Borders of salt marshes 

 Middle California. 



Lower San Joaquin region. 



Santa Barbara to Los An- 

 geles. 



Desert regions. Santa Bar- 

 bara, eastward. 



Mohave River region. 



Eastern Sierras. 



A conspicuous fragrant per- 

 ennial shrub — Desert re- 

 gions. Mohave and East- 

 ern Sierras. 



Shasta River. 



Perhaps introduced from 

 Oregon. 



Escape from gardens. 



Probably X. E. California. 



Introduced weed in grain- 

 fields. 



A striking plant with gray 

 leaves, large yellow flow- 

 ers and inflated pods. Fre- 

 quent in mountains East- 

 ern Sierra. 



Introduced weed, Solano 

 county. 



Introduced weed, San Fran- 

 cisco. 



San Bernardino Mts. 



Weed, waste places and 

 grain fields. 



Escaped and now abundant 

 as a weed. 



Introduced. Alfalfa fields 

 San Luis Obispo Co. 



