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1. G. LEriDOTA Nutt. Flowers ochroleu- 

 cous. Niles. Summer, 



12, Astragalus L- 



BATTLE WEED. LOCO-WEED. 



Diadelphous. Carina blunt. Legume more 

 or less divided by the intrusion of the dorsal 

 suture. Seeds reniform. Leaves imparipin- 

 nate. 



1. A. DIDYMOCABPUS Hook. & Arn. Legume 

 transversely wrinkled, 2-seeded; corolla white 

 and violet. Contra Costa. Summer. 



2. A. TENEE Gray. Legume ao-seeded, not 

 inflated; corolla white, sometimes violet tipped. 

 0. Golden Gate Park. Cemetery. Summer. 



3. A. LEUCOPHYLLUS Torr. &] Gray. Legume 

 inflated, stipitate in the calyx; corolla pale. 

 It- Sunol, Summer. 



4. A. CROTALARLE Gray. Legume inflated, 

 sessile in the calyx; stipules distinct; corolla 

 white, more than twice the length of the calyx. 

 1C . Sandhills near San Francisco. Summer. 



5. A. MENZIESII Gray. Legume inflated, 

 sessile in the calyx; stipules connate, opposite 

 the petiole; corolla white, more than twice the 

 length of the calyx. If . 



6. A. DOUGLASII Gray. Legume inflated, ses- 

 sile in the calyx; corolla pale, hardly twice the 

 length of the calyx. 2. Coast Range. Sum- 

 mer. 



