138 



I. RAIN'UNCULACEiE. 



Clematis. 



FIG. 39.— 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 tunicukis and 

 minute embrjo. 10. Cross section of the flower, showing the arrangement of the 5 ovanes, the 20 

 stamens in 4 series, &c. 



follicular. 



acheniate. 



Carpels C baccate. 



Conspectus of the Genera. 



^Pet. l-lipped. 



(Flowers ^cauline. ([Pet. 2-lipped. 

 solitary, ? radical. 

 < white. 

 Flowers racemose, ^ dark purple. 



\ Calyx white 



Petals 0. ( Calyx bright yellow. . 



t plane, 3-lobed. . 

 Petals conspicuous, I all spurred behind. . 

 ^ upper one large, vaulted. 

 < colored, . . Supper one spurred behind. . 

 . ( green and foliaceous. Petals plane. 



^ palmate. 

 < Leaves alternate, 1 2— 3-ternate. 

 (Invol. 0. . . {Leaves opposite. Mostly climbers- 

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

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

 ( with no nectary, scarlet. 

 < with nectariferous, tubular claws. 

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



solitarj', many-seeded. Flowers racemose 



numerous, 1—2-seeded. Flowers solitary 



Sepals 

 equal. 



Sepals 

 unequal, . 



Trollnis. 



He.Uehorus. 



Coptis 



Cimicifuga. 



Zanthorhiza. 



Isnpi/rum. 



Caltha. 



Nig-fJla. 



Aquiles-ia. 



Aconitum. 



Delphinium. 



Pcconia. 



Trautvetteria. 



Thalictrum. 



Clematis. 



Hepatica. 



Anemone. 



Adonis. 



Mijostirus. 



Ramtnculiis. 



Actcca. 



Hydrastis. 



1. CLEMATIS. 



Gr. K\r)fia, 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 dimbiiig. Leaves 

 ninslly compound arid opposite. 



