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7. Hosackia Dougl. 

 Diaclelphous. Petals anguiculate. Legume 

 cjlinclrical, linear, almost straight, dehiscent, 

 sessile. Ovules more than 2. Flowers umbel- 

 late, or by depauperation solitary. Leaves 

 imparipinnate, 2 to several-foliolate; stipules 

 often minute. 



1. H. STiPULARis Benth. Stipules large, 

 foliaceous; flowers purplish. — 71. Contra Costa 

 range. Summer. 



2. H. GRACILIS Benth. Stipules scarious; 

 vexillum yellow; wings and carina purple. — 21- 

 Colma. Talmalpais. Summer. 



3. H. STRIGOSA Nutt. Stipules reduced to 

 blackish glands; raehis of leaf flattened ; vexil- 

 lum attenuate below, carina obtuse ; flowers 

 yellow. — 0. Common. Spring. 



4. H. PARVIFLORA Benth. Stipules reduced 

 to blackish glands; raehis of leaf flattened; 

 vexillum cordate; carina acute; flowers pale. — 

 0. Common. Spring. 



5. H. PuRSHiANA Benth. Stipules reduced 

 to glands; leaves almost sessile; flowers pe- 

 duncled, pale; vexillum pink. — 0. Common. 

 Summer. 



6. H. SUBPINNATA Torr. & Gray. Stipules 

 gland-like, leaves petioled; flowers almost ses- 

 sile; legume 5-seeded; petals yellow. — 0. 

 Common. Summer. 



