126 KEY AND FLORA 



a. D. Henderso'ni Gray. Roots becoming small tubers and each 

 forming a new plant. Leaves ovate or obovate, smooth, on broad 

 petioles. Scape 6-12 in. high. Divisions of corolla 4 or 5, rose- 

 purple ; tube darker, with a ring of yellow.. Anthers erect. Pod 

 twice as long as the calyx, opening by a lid below the summit. 

 This is the commonest species in early spring on hillsides of the 

 Coast Mountains, and extends from middle California to Oregon. 



b. D. Clevelan'di Greene. Roots somewhat fleshy, but not forming 

 tubers. Stems and leaves pale green and glandular. Leaves ascend- 

 ing, spatulate or obovate. Divisions of corolla bright purple, yellow 

 at base; tube dark purple with yellow lines. Pods opening by a 

 lid at top. Southern California. 



There are several other species, chiefly growing in the 

 higher mountains. 



II. TRIENTA'LIS, Star-flower 



Low perennial herbs from tuber-bearing, slender rootstocks. 

 Stems simple, with the leaves in a whorl below the flowers. 

 Flowers small, star-shaped, on slander pedicels. Calyx and 

 corolla 7-parted (sometimes 6-9-parted), with divisions widely 

 spreading. Stamens with slender filaments united into a ring 

 at the base. Capsule splitting into five parts, with few seeds. 



T. Europae'a var. latifo'lia Torr. This grows in the woods and 

 blooms in the spring. The petals are white or rose-color. 



III. STEIRONE'MA 



Stems erect, leafy. Leaves entire, opposite or whorled. 

 Flowers yellow, axillary, nodding on slender pedicels. Corolla 

 wheel-shaped, apparently with petals distinct, each division 

 wrapped around its stamen in the bud. Filaments united 

 around the base of the corolla in a ring, evert/ alternate one 

 being sterile. Capsule many-seeded. 



S. cilia'tum Raf. Stem simple. Leaves ovate-lanceolate, 2-4 in. 

 long, rounded or somewhat heart-shaped at base, with long ciliate 

 petioles. In moist thickets. Washington. Summer. 



IV. ANAGAI/LIS, Pim'pernel, Poor Man's Barometer 



Spreading or prostrate annuals, with stem leaves opposite 

 or whorled. Flowers on axillary peduncles, salmon-color, with 



