Ordeii 1.— the crowfoots. 145 



6 Flowers regular 7 



6 Flowers irregular h 



7 Petals none.. ..e 



7 Petals smaller than the sepals . . . .f 



7 Petals larger than the sepals g 



a Petals none or stamen-like. Leaves all opposite. \r^irgiii's Bower. Clem'atis. i 

 b Stem leaves opposite, remote from the flower. Anem'one. Anemone. 2 



b Leaves all radical. 8 bracts close to the flower. Liverkaf. Hepat''ica. 



c Flowers mostly imperfect. Leaves conipound. Meadow Rue. Thalic'trum. 12 



c Flws. perfect. Lvs. simple, palinately lobed. Pmirie Rue. Trautvette'kia. 

 d Leaves all radical, linear. Torus linear. Small plant. 



Moiisetail. Myosu'rus. 

 d Lvs. cauline. Petals with a honey-scale at base. Crowfoot. Ranun'cdlus. 4 

 d Leaves cauline. No honey-scale. Petals red or yellow. 



FkeasanVs-eye. Ado^'nis. 5 



e Sepals white, 5 in number. Leaves compound. False Rue. Isopy'rum. 



e Sepals yellow, 6-9. Marsh Marigold. Cal'tha. 6 



f Petals tubular at apex. Eoots yellow. Gold-thread. Cop'tis. 7 



f Petals tubular at base, 1-lipped. Globe-jioiver. Trol'lics. 8 



f Petals tubular, 2-lipped. Sepals persistent. Hellebore. IIelleb'orus. 



f Petals concave, 2-lobed. Flowers racemed. Yellow-root. Zanthorhi'za. 



g Petals larger than the colored sepals, 3-Iobed. Fennel-flower. Nigel''la. 



g Petals larger than the colored sepals, spurred alike. Columh'me. Aquile'gia. 9 

 h Upper sepal spurred, inclosing spurred petals. Lar-kspur. Delphin''ium. 10 

 h Upper sepal hooded, covering 2 deformed petals. Monk^s-hood. Aconi'tum. 11 



k Flowers numerous, in long, slender racemes. Bugbam. Cimicif'uga. 



k Flowers many, in short racemes. Berries simple. Baneberry, Act^'a. 13 



k Flower one only. Leaves 2. Berry compound. Turmeric-root. Hydras'tis. 1-t 

 m Disk sheathing the ovaries. Very Showy. Peony. P^o'nia. 



1. CLEM'ATIS. Virgin's Bower. 



Calyx ot 4 colored sepals, valvate-induplicate in the bud. Petals none, 

 or small and stamen-like. Stamens many, shorter than the sepals. Ova- 

 ries many, styles becoming long and feathery upon the seed-like achenia. 

 — IC Mostly climbing vines, with twisted petioles for tendrils, and with 

 opposite, compound leaves. 



I Leaves verticillate. Outer stamens petal-like. Vine . . . .No. 1 



Leaves opposite. Petals none. Calyx colored a 



a Erect herbs near 1 foot high. Flowers solitary 10, 11, 12 



a Vines climbing. . . b 



7 



