DICOTYLEDONOUS PLANTS 157 



upper and 1 the lower lip. Ovary 2 or 3 celled, with numer- 

 ous ovules in each cell. Style slender, tipped by a cap-like 

 stigma. 



a. L. hispid'ula Dougl. Twining, with the broad floral leaves, 

 uniting around the stem, the others elliptical, all except the lowest 

 with broad stipule-like appendages, all bluish green and pale. Spikes 

 of 3-6 whorls of pink flowers with the corollas 2-iipped. Fruit a red 

 berry, somewhat riscid. Along the coast. 



b. L. interrup'ta Benth. Stoutish, erect and bushy, less disposed 

 to twine, branches covered with shining white bark. Leaves 

 pale-green, nearly round, all without stipules, several of the upper 

 pairs uniting. Spikes of several interrupted whorls. Flowers 

 yellow, smooth. Inner Coast Mountains and foothills of the Sierra 

 Nevada. 



c. L. involucra'ta Banks. Shrubs with stems erect, never twining, 

 and leaves never united. Flowers in pairs on an axillary peduncle, 

 each pair contained in a leafy involucre of 2 bracts. Corolla 

 yellowish, funnel-form, swollen at the base. Berries close together, 

 black when ripe, the involucre becoming dark red, with the lobes reflexed. 

 Widely distributed. 



d. L. cilio'sa Poir, Stems low, or climbing. Leaves broadly ovate, 

 glaucous beneath, generally smooth except for the ciliate margin ; 

 the uppermost one or two pairs united to form a disk. Whorls 

 of flowers 1-3, generally terminal but sometimes from the lower 

 leaf axils. Corolla smooth, an inch or more long, trumpet-shaped, scarlet 

 without, yellow within ; the tube swollen on one side near the base ; the 

 border slightly 2-lipped. From the Sierra Nevada Mountains of 

 middle California to British Columbia. 



III. SAMBU'CUS, Elder 



Shrubs or small trees with pinnately compound leaves of 

 5-11 serrate leaflets. Flowers small, white, in compound 

 cymes. Corolla wheel-shaped or urn-shaped, with 5 lobes. 

 Stigmas and cells of the ovary 3-5. Fruit consisting of 

 "berries," which are really drupes. 



a. S. glau'ca Nutt. Cymes large and flat. Berries dark-blue, 

 with a dense bloom. This blooms in summer and is common in 

 middle and southern California. 



b. S. callicar'pa Greene. Cymes ovate. Berries red, rarely yellow. 

 This blooms in spring and is found only in ravines or along streams. 

 Northward. 



