138 



1. RAJNUx\CULACE^. 



Clematis. 



C Sepals 

 1 equal. . 



Sepals 



FIG. S9.— 1. Ranunculus bulbosus. 2. A petal with the nectariferous scale. 3. A carpel with its beak. 

 4. Vertical section, showing the erect ovule. 5. Aquilegia Canadensis. 6. Torus, with the stamens and 

 pistils, and a petal attached. 7. Follicle. 8. Seed. 9. Its vertical section, showing the funiculus and 

 minute embryo. 10. Cross section of the flower, showing the arrangement of the 5 ovaries, the 20 

 stamens in 4 series, &c. 



Conspectus of the Genera. 



<Pet. l-lipped. TrolHtts. 7 



{Flowers ( cauline. X Pet. 2lipped. Uellehorus. 8 



solitary, ^radical. . . . Copt is. 9 



< white. . Cimicifuga. 15 



Flowers racemose, \ dark purple. Zanthorhiza. 19 



S Calyx white Isopyrum. 10 



Petals 0. { Calyx bright yellow. . . . Caltha. 6 



iplane, 3-lobed. . . Nigella. 22 



Petals conspicuous, ( aU spurred behind. . Aquilegia. 11 



5 upper one large, vaulted. . . Aconitwm. 13 



J colored, . .? upper one spurred behind. . . Delphinium. 12 



follicular. L unequal, .. (green and foliaceous. Petals plane. . . Pcconia. 21 



< palmate. . Trautvetteria. 16 



(Leaves alternate, (2— 3-ternate. Thalictrum. 17 



(( Invol. 0. . . (Leaves opi)osite. Mostly climbers. Clematis. I 



Petals 0, or < Involucre calyx-like, near the flower. . . Hepatica. 3 



inconspicu. ( Involucre leaf-like, remote from flower. . . Anemone. 2 



i with no nectary, scarlet. . . Adonis. 4 



J . s with nectariferous, tubular claws. Myosunis. 18 



Petals conspicuous, . . . ( with a nectariferous scale at base. Ranunculus. 5 



, < solhary, many-seeded. Flowers racemose Ac.ta:a. 14 



Carpels (.baccate, (numerous, l—2-seeded. Flowers solitary Hydrastis. 20 



1. CLEMATIS. 



Gr. KArjfia, a tendril; climbing by tendrils, or twining petioles instead. 



Calyx 4-(rarely 5, 6 or 8-) sepaled, colored, pubescent; corolla 0, 

 or smaller than the calyx ; filaments 00, shorter than the sepals ; 

 ovaries 4 — 20 ; styles longer than the stamens ; achenia caudate with 

 the long, plumose, permanent style. — % Mostly climbing. Leaves, 

 mfxstly compowid and opposite. 



acheniate. 



