OiiDEji 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, lirgin's Bouer. Clem'atis. 1 

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



b Leaves all radical. 3 bracts close to the flower. LiverUaf. IIepat'ica. 



c Flowers mostly imperfect. Leaves compound. Meadow Rue. Thalic'trum. 



c Flws. perfect. Lvs. simple, palmately lobed. Prairie Rue. Tkautvette'ria. 

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



Movsetail. ^Iyosu'bus. 

 d Lvs. cauliue. Petals with a honey-scale at base. Crowfoot. Eanun'cclus. 4 

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



Fheamnt's-eye. Ado'nis. 5 



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



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



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



f Petals tubular at base, 1-lipped. Globe-flower. Trol'lius. 8 



f Petals tubular, 2-lipped. Sepals persistent. Ilellehore. IIellee'crus. 



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



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



g Petals larger than the colored sepals, spurred alike. Columbine. Aqcile'gia. 9 

 h Upper sepal spurred, inclosing spurred petals. Lark-ipur. Delphin'ium. 10 

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



k Flowers numerous, in long, slender racemes. JJugbane. Cimicif'l-qa. 



k Flowers many, in short racemes. Berries simple. Baneberry. Actje'a. 



k Flower one only. Leaves 2. Berry compound. Tiu-vx eric-root. Hydras'tis. 

 m Disk sheathing the ovaries. Very Showy. Peony. Pjeo'nia. 



1. CLEM' AXIS. Virgin's Bower. 



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

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

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

 — 2^ Mostly climbing vines, with twisted petioles for tendrils, and with 

 opposite, compound leaves. 



§ Leaves vertieillate. 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 Vinos climbing. . . b 



7 



