OEDEIt I. KANUNCULACEJE. 201 



6. Loaves palmately lobcd . Trautvetteria, 14 



Leaves not palmately lobed '. Ranunculus, 5 



7. Leaves tripionate Idonis, 4 



- 8-lobed ffepatica, 3 



Leaves simple, dissected, lobed 8 



S. Achenia iii an elongated spike Myosurus, 6 



Achenia in a compact heal Ranunculus, 5 



i plumose tails Clematis, 1 



9. Petals none. Perianth petal-like 10 



Petals present 12 



10. Sepals 8, petaloid Hydrastis, IT 



Sepals more than 3 11 



11. Flowers yellow. Leaves simple Caltlut, 7 



Flowers white. Leaves compound Zsopyrwm, 8 



12. St< m woody ZantAorhUsa, 1G 



Stem herbaceous 18 



18. Flowers regular 14 



Flowers more or less irregular 15 



14. Pistil 1, forming a several-seeded berry Actcea, 12 



Pistils 1 — 8, forming a several-seeded pod dmicifuga, 18 



15. Petals 5, spurred, tubular A qni/ecjia, 9 



Petals 4. of two forms Delphinium, 10 



Petals 2, concealed under the hood of the sepal Aconitum, 11 



Gen-l-s I.— CLEM'ATIS. L. 12— 12. {Virgin's Bower) 



(From the Greek klema, a shoot or tendril, in allusion to the climbing babit of the 



genus.) 



Sepals and Petals confounded. Perianth 4 — 10-leaved, col- 

 ored. Anthers linear, extrorse. Fruit an achemum, usually 

 with long plumose tails. 



a. Flowers paniculate. Leaves ternately or alternately divided. 



1. C. Viuginia'na, (L.) Climbing, covering small trees and bushes 

 with its foliage. Stem terete, pubescent when young. Leaves termite, 

 leaflets cordate-ovate, acute, coarsely toothed, or lobed; veins and 



ns pubescent. Flowers panicled, dioecious. Sepals 4, oval, pubes- 

 cent, fragrant Carpels with long plumose tails. — White. T <> . Aug. 

 Can. to Flor. Fertile soil. 



2. C. Catesbeya'na, (Pursh.) Stem climbing, pubescent, similar to the 

 preceding species. Leaves ternate ; leaflets subcordate, 3-lobed, lobes 

 entire, acuminate. Panicle divaricate, dichotomous. Flowers small, 

 the pistillate florets bearing abortive stamens. Sepals 4, oblong, downy 

 on the outer surface. — White. ^ . July to Aug. So. Ca. and Geo. 



3. C. holoser'icea, (Pursh.) Climbing, the whole plant silky. Flow- 

 ers dioecious in paniculate corymbs, trichotomous, few-flowered. Leaves 

 ternate, pubescent on both sides; leaflets oblong-lanceolate, entire. Se- 

 pals linear. Tails of the carpels long, feathered. — White. ^ . July 

 to Aug. Geo. 



b. Peduncles solitary, \-fiowered. Leaves pinnatcly divided. 



4. C. cylin'drica, (Pursh.) Climbing, pubescent. L,eavcs pinnate, 

 membranaceous, decompound; leaflets ovate, acute at each end, gla- 

 brous, petiolate. Peduncles 1-flowered, terminal, solitary. Flowers 

 cylindrical, nodding. Sepals coriaceous, acuminate, margin undulate. 

 Tails cf the seed plumose. 



9* 



