46 Spring Flora of Ohio. 



14. Genus CLEM'-A-TIS. — Perennial woody vine with opposite 

 compound leaves; sepals 4, leathery; achenes numerous, tailed with 

 the long, persistent, hairy styles. 



Clem'-a-tis vir-gin-i-a'-na L. Virgin's-Bower.— Flowers rather small, 

 cjinose, paniculate, sepals whitish; leaflets 3. 



Clem'-a-tis vi-or'-na L. Leather Flower ; Clematis. — Sepals purplish, 

 very thick and leathery; leaflets M-T; flowers large, solitary, on long 

 pedicels. 



15. Genus TRAUT-VET-TE'-RI-A.— Sepals 3-5, petal-like, very cadu- 

 cous; alternate palmately-lobed leaves and white corymbose flowers. 



Traut-vet-te'-ri-a car-o-li-nen'-sis (Walt.) Vail. [T. palmata F. & M.) 

 False Bugbane. — Growing in moist ground along streamlets. 



16. Genus RA-NUN'-CU-LUS.— Sepals 5, green; petals 5, with a 

 scale at base; achenes numerous, mostly pointed; flowers solitary or 

 somewhat corymbed. 



A. Aquatic; immefsed leaves Jiliformly dissected. 



Ra-nun'-cu-lus del-phin-i-fo'-li-us Torr. (R. iiiultifidiis Ph.) Yellow 

 Water Crowfoot. — Leaves all repeatedly ;5-forked into long filiform 

 divisions; petals 5-8, deep bright yellow. 



A. Terrestrial, but often in wet places. 



b. Root-leaves not divided to the verv l>ase.'i 

 I 



,( ^7/ Ra-nun'-cu-lus ab-or-ti'-vus L. Small-flowered Crowfoot.— /"/a;// gla- 

 }>roiis; the primarj' root -leaves round -cordate or reniform, barely 

 crenate, the succeeding ones often 3-lobed or 3-parted; petals pale 

 yellow, shorter than the reflexed calyx; carpels in globose heads. 



Ra-nun'-cu-lus mi-cran'-thus Gr. (R. abortiviis var. viicranthus Gr.) 

 Small-flowered Crowfoot. — Plant pubescent, otherwise much like the 

 preceding, but root-leaves seldom at all heart-shaped. 



Ra-nun'-cu-lus scel-er-a'-tus L. Cursed Crowfoot. — Glabrous, root- 

 leaves 3-lobed; petals scarcely exceeding the calyx; head of carpels 

 oblong or cylindrical ; stem thick and hollow. 



;b. Leaves variously cleft or divided) 



[[c. Achenes with long recurved beak)) 



