248 RANUNCULACEAE 
Head rounded or ae achenes ee 2) 
SMOOTH. -t 2e Pe : : Ranunculus 
Heads elongated, eae ea . .  Oxygraphis 
Herbs, flowers white . . . . . . .«  Batrachiom 
SECOND GROUP 
Seeds in a follicle 
(Figs. 6 and 9) 
<1 1511 5 aa ee ka ae eae dae Sar sh etl Xanthorrhiza 
Herbs. 
Flowers yellow. 
heaves amdivideds: 27. %i5%,) "5-4. © es Pare ie Caltha 
Theaves: wdissected Aine os n.ci5yes0%) Oa Trollius 
Flowers red and yellow . .. . . . . Aquilegia 
Flowers blue. 
Upper petal a long spur. . . . .  Delphinium 
Upper petal a hood . . . . . . . * ACOnIbam 
Flowers white. 
In a spike 6 ae ee 
Solitary. 
Flower stem: maked . . . . . . » |) “GOpiae 
Flower stem leafy . . . . . . , ds0pyenee 
THIRD GROUP 
Seeds m berries (Hig. 1h) 2 25s) wy tm, 
FIRST GROUP 
(A.) Carpels one seeded. Flowers with a single envelope, a calyx colored 
like a corolla 
1. CLEMATIS, L. 
Climbing woody vines and erect herbs. Leaves of the twiners opposite 
on slender foot-stalks, simple or more frequently compound. Those of 
No. 3 without foot-stalks. Flower of 4 conspicuous colored sepals, the 
petals wanting. Achenes numerous, each with a long plumose tail. 
Vines 10 to 20 ft. long. 
Flowers white’. . . 6 5 © 5 «© @ 6 © « «© « « Gy Jetrpenene 
Flowers purple . aM Ps EG ee ney ee C. viorna 
Erect herbs with greenish “flowers a) Ge" aren oe al Preece eee C: ochroleuca 
l. C. virginiana, L. (Fig. 1, pl. 46.) minnie Bower. A long 
vine, common, clinging by its leaf stalks to shrubs, trees and fences and 
bearing a profusion of white flower clusters, which are borne on long 
flower stalks springing from the axils of the opposite compound leaves. 
After the fall of the flowers the vine continues te be highly ornamental 
