138 



I. RANUNCULACEiE. 



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 funiculus and 

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

 stamens in i series, &c. 



Conspectus of the Genera. 



r follicular. 



C Sepals 

 I equal. . 



1 Sepals 

 L unequal, 



rPet. small. 

 < Petals 0. 



J Pet. 1 -lipped. Troltttta. 

 ("Flowers 4 cauline. { Pet. 2-lipped. Ue.Ueborus. 

 I solitary, \ radical. . . . Copris- 

 I < white. . Cimiclfusa. 



L Flowers racemose, \ dark purple. Zantharliiza. 



<) Calyx white 

 f Calyx bright yellow. 

 I 4plane, 3-lobed. 



. L Petals conspicuous, fall spurred behind. 



J upper one large, vaulted. 



Ay 



(■Petals 0, or 

 inconspicu. 



Isopyrum. 



Caltha. 



Nigella. 



Aquilegia. 



Aconitum. 



Delphinium.. 



Paonia. 



Trautvetteria. 



Thalictruni. 



4 colored, . .? upper one spurred behind. . 

 , { green and foliaceous. Petals plane. 



5 palmate. 



5 Leaves alternate, ( 2— 3-femate 



I Invol. 0. . . ? Leaves opposite. Mostly climbers. Clematis. 



I Involucre calyx-like, near the flower. . . Hepatica. 3 



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



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



, ^ with nectariferous, tubular claws. Myosurus. 18 



acheniate. L Petals conspicuous, ...' with a nectariferous scale at base. Ranunculus. 5 



< solitary, many-seeded. Flowers racemose Actma. 14 



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



1. CLEMATIS. 

 Cfr. KKrifia, 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 

 mnstly comjpoiind a7id opposite. 



