DICOTYLEDONOUS PLANTS 141 



anther cell, the other end a mere rudiment of an anther cell. 

 The nutlets when wet become mucilaginous and send out spiral 

 threads. 



a. S. cardua'cea Benth. Thistle Sage. Leaves clustered at the 

 root, ichite-woolly y thistle-like. Flowers in whorls. Corollas large, 

 bright blue. This is a very showy plant of the interior vaUeys of 

 California. 



b. S. Columba'riae Benth. Chia. Leaves wrinkled loith numerous 

 reins, once or twice parted into oblong, crenate or toothed divisions. 

 Flowers in one or more rather distant whorls on the naked stems. 

 Corolla rather small, dark blue. Involucre of entire leaves, like 

 bracts. Widely distributed. 



VI. AUDIBER'TIA, California Sage, Bee Sage 



Shrubby plants with leaves wrinkled and veiny, finely 

 crenate. Flowers similar to those of Salvia, except that the 

 filament has hut one Vuiear anther cell, and shows the remains 

 of the connective as a sort of spur. The various kinds of sage, 

 so well known as honey plants, all belong to this genus. 

 They are most abundant in southern California, where they 

 sometimes clothe the hillsides. 



* Flowers in dense lohorls at intervals along the stem. Bracts crowded 

 and conspicuous. Shrubs. 



a. A. niv'ea Benth. White Sage. Stems and leaves covered 

 with a snow-white down. Whorls an inch across, usually 2-4. 

 Corolla lavender or lilac, with the tube scarcely longer than the lips. 

 Stamens and style conspicuously extending beyond the corolla. The 

 bracts and the calyx teeth are blunt. 



b. A. stachyoi'des Benth. Black Sage. Stems and leaves ashy 

 gray, becoming greener and smoother with age. Clusters of flowers 

 3-5 at long intervals, on slender stems. Corolla lavender, half an 

 inch long. Calyx teeth and bracts bristle-tipped. 



** Floivers in a close panicle. Floral leaves and bracts of the small and 

 numerous clusters lance-shaped or awl-shaped. Shrubs. 



c. A. polystach'ya Benth. White Sage, Grease Wood. Stems 

 many, erect, covered with a fine white down ; inflorescence a foot or 

 so in length ; flowers nearly sessile. Calyx with the upper lip broad. 



