RANUNCULACEAE. 103 



Petals large; flowers solitary. 149. PAEONIA, 110. 



Petals small; flowers solitary or in ra- 

 cemes or umbels. 

 Carpels becoming berries; flowers in 



racemes. 150. ACTAEA, 110. 



Carpels becoming follicles; flowers 

 solitary or in umbels. 151. COPTIS, 111. 



139. CLEMATIS. 



Perennial herbs, low and erect, or more or less woody vines, 

 climbing by the petioles; leaves opposite; sepals 4, rarely 3, or 

 more than 4, petal-like; petals none or minute; stamens numer- 

 ous; pistils numerous, 1-ovuled; styles feathery or naked in fruit. 



Erect herbs; leaves compound, with narrow divisions. C. hirsulissima. 

 Half- woody climbers; leaf segments broader. 



Flowers white, small. C. ligusticifolia. 



Flowers large, blue. C. columbiana. 



Clematis hirsutissima Pursh. Sugar Bowls. Stems tufted, 30-50 cm. 

 tall, from a tough woody caudex; leaves 3 or 4 pairs, twice- pinnately compound, 

 the ultimate divisions linear or lanceolate, pubescent when young, becoming 

 glabrous; flower solitary, at first nodding, then erect, usually long-peduncled ; 

 sepals dark-blue, thick, 3-4 cm. long, closely contiguous, pubescent outside; 

 akenes pubescent, their long tails very plumose. Common in low places. 



Clematis ligusticifolia Nutt. Half- woody climber, the stem 2-10 m. long; 

 leaves pinnately compound, of 5-7 leaflets, or the lower pair ternate; leaflets 

 ovate or lanceolate, sometimes 3-lobed, coarsely incised-dentate or subentire, 

 3-6 cm. long, sparsely pubescent, becoming glabrous; flowers dioecious, in 

 large panicles, the staminate more showy; sepals white, oblong, densely hairy, 

 2 cm. long; akenes pubescent, the long tails plumose. Common in the warmer 

 valleys. 



Clematis columbiana (Nutt.) T. & G. Half-woody climber with slender 

 stems; leaves ternate, petioled; leaflets ovate, acuminate, sparsely pubescent, 

 entire or nearly so; flowers solitary on naked peduncles; sepals ascending, 

 blue, oblong-lanceolate, acute or acuminate, ciliate, 4-5 cm. long; outer 

 stamens with the filaments more or less dilated and petal-like, the anthers 

 wanting; akenes with long plumose tails. Moist woods in the mountains, 

 infrequent. 



140. ANEMONE. WINDFLOWER. 



Erect perennial herbs; leaves compound or divided, all radical, 

 except 2 or 3 cauline which form an involucre usually remote 

 from the flower; peduncles 1-flowered, solitary or in umbels; 

 sepals 4-20, petal-like; petals none; stamens numerous; pistils 

 numerous; akenes pointed or tailed, flattened not ribbed. 



Anemone piperi Britt. Stems erect, 1-flowered, 10-20 cm. tall, smooth 

 or pubescent; radical leaf and three of the involucre similar, ternate or often 

 5-foliolate, petiolate, the leaflets or divisions oblong-cuneate or ovate, acute 

 or acuminate, incisely toothed or lobed, 3-5 cm. long; sepals 4-7, oval, white; 

 akenes puberulent, the style short. Moist woods, in the mountains. In 

 the Blue Mountains there is a form with dark purple flowers which is perhaps 

 distinct. 



