23O BLADDERWORT FAMILY 



of leaves. Flowers in the axils of scales or on long peduncles. 

 Corolla tubular, 2-lipped, withering-persistent. Stamens 4. 

 Ovary 2-celled, the capsule many-seeded. 



1. OROBANCHE. Broom-rape. 

 Brownish or whitish plants, our species often described 

 under Aphyllon. 



1. O. uniflora L. One-flowered Cancer-root. Stem scaly, 

 short, mostly subterranean, bearing few erect peduncles 3 

 in. to 1 ft. or so high, each terminated by a solitary dull- 

 yellow but violet-tinged flower. Calyx-lobes mostly longer 

 than tube, attenuate. Corolla ^ to 1 in. long, somewhat 

 curved, its lobes obovate. — Grows attached to the roots of 

 shrubs, etc., but not common. 



2. O. fasciculata Nutt. Stem usually more exserted from 



the ground, bearing numerous 

 fascicled peduncles, the flower- 

 clusters therefore more compact. 

 Calyx-lobes not longer than the 

 tube. Corolla dull yellow, rarely 

 purplish, its lobes oblong. — Rare; 

 found in Yosemite Valley. 



LENTIBULARIACEAE. 



Bladderwort Family. 

 Small herbs with a 2-lipped 

 calyx and a 2-lipped corolla 

 spurred at base. Stamens 2. 

 Ovary free from the calyx, be- 

 coming a 1-celled several-seeded 

 capsule. 



1. UTRICULARIA. Bladderwort. 

 1. U. vulgaris L. A slender aquatic, the leaves with hair- 

 like divisions and bearing many small bladders which float the 

 plant at time of flowering. Flowers borne on long naked 

 stalks which rise above the water. Corolla yellow, l / 2 to $4 

 in. across, closed.— In quiet ponds at Eagle Peak Meadows, 

 Little Yosemite Valley, and Tuolumne Meadows. Widely 

 distributed in the Northern Hemisphere. 



PLANTAGINACEAE. Plantain Family. 

 Chiefly stemless herbs with regular flowers in spikes. 

 Corolla membranous, 4-lobed. 



