eanunCulace^. (crowfoot familt.) 35 



10. Trolling. Petals maoy, minute and stamen-like, hollowed near the base. Pods 8-15 



sessile. Leaves palmately divided. 



11. Coptlg. Petals 6-6, small, hollowed at the apex. Pods 3-7, long-stalked. Sepals 



deciduous. Leaves trifoliolate. 



12. Helleborns. Petals 8-10, small, tubular, 2-lipped. Pods several, sessile. Sepals 6, 



persistent, turning green with age. 



13. Aqullegla. Petals 6, spur-shaped, longer than the 6 deciduous sepals. Pods 6. 



* * Flower unsymmetrical and irregular. Pods several-seeded. 



14. Delphinium. Upper sepal spurred. Petals i, of two forms •, the upper pair with 



long spurs, enclosed in the spur of the calyx. 

 16. Aconltum. Upper sepal hooded, covering the two long-clawed small petals. 

 * • » Slower symmetrical. Pods ripening only one seed. Shrubby. 



16. Zanthorblza. Petals 5, small, 2-lobed, with claws. Stamens 6-10. Flowers in 



drooping compound racemes. 

 Tribe V. CIMICIPUGE.*}. Sepals imbricated, falling off as the flower opens. Pet- 

 als small and flat, or none. Pistils 1 - several. Fruit a 2 - several-seeded pod or berry. 

 All the leaves alternate. 



17. Hydrastlg. Flower solitary. Pistils several in a head, becoming berries in fruit, 2- 



seeded. Leaves simple, lobed. Petals none. 



18, Actaea. Flowers in a single short raceme. Pistil single, forming a many-seeded berry. 



Leaves 2 - 3-ternately compound. Petals manifest, but small. 



19, Clmicifnga. Flowers in long spiked racemes. Pistils 1 - 8, in fruit forming dry and 



several-seeded pods. Leaves 2 - 3-ternately compound. 



1. CLiiMATIS, L. Vikgin's-Bowbb. 



Sepals 4, or rarely more, colored, the valvate margins turned inwards in the 

 bud. Petals none, or small. Achenia numerous in a head, bearing the persist- 

 ent styles as naked, hairy, or plumose tails. — Perennial hgrbs or vines, mostly 

 a little woody, and climbing by the bending or clasping of the leafstalks, rarely 

 low and erect. Leaves opposite. (KXi;/iarir, a name of Dioscorides for a climb- 

 ing plant with long and lithe branches.^ 

 §1. ATRAGENE, L. Some of the outer JUaments enlarged and gradually passing 



into small spatutate petals : peduncles bearing single large flowers ; the thin sepals 



widely spreading. 



1. C. verticilliris, DC. Woody-stemmed climber, almost glabrous; 

 leaves trifoliolate, with slender common and partial petioles ; leaflets ovate or 

 slightly heart-shaped, pointed, entire, or on sterile stems 1 - 3-toothed or lobed ; 

 flower bluish-purple, 2' - 3' across ; tails of the fnut plumose. ( Atragene Amer- 

 icana, Sims. ) — Rocky places in mountainous districts, Maine and Western 

 New England to Virginia, Wisconsin, and northwestward: rare. May. — A 

 pair of leaves with a peduncle between them, developed in spring from each of 

 the opposite buds, gives the appearance of a whorl, whence the specific name. 



§ 2. CLEMATIS proper. Petals entirely wanting. 



* Peduncles bearing single large nodding flxiwers : calyx leathery : anthers linear. 



•1- Stem low, erect and mostly simple : calyx silky outside, greenish. 



2. C. OOhroletlca, Ait. Leaves simple and entire, ovate or sometimes 

 3-lobed, almost sessile, silky beneath ; tails of the fruit very plumose. — Copses, 

 Long Island, Staten Island (Dr. Allen), Pennsylvania, and Virginia: rare. 

 May. 



