88 Spn'nq; Flora of Ohio. 



Sa-nic'-u-la can-a-den'-sis L. Sanicle; Black Snake-root. — Sterile 

 flowers comparatively few and sliort-pedicelled ; the styles shorter 

 than the fruit. 



o. Genus PIM-PI-NEL'-LA. — Calyx-teeth obsolete; fruit oblong to 

 ovate; leaves 2 to ;!-ternate, leaflets entire; flowers vellow. 



Pim-pi-neria in-te-ger'-ri-ma Benth & Hook. Golden Alexanders. — 



Glaucous, 1-.'] ft. high; flowers yellow. 



(i. Genus CH/E-RO-PHYL'-LUM. — Calyx-teeth obsolete, fruit nar- 

 rowly oblong; leaves ternateh- decompound, pinnatifid leaflets with 

 oblong, obtuse lobes; flowers white; annual, in moist ground. 



Chae-ro-phyl'-lum pro-cum'-bens (L.) Crantz. Chervil. — More or less 

 hairy, stem slender, spreading; flowers white; umbel few-raved. 



7. Genus OS-MOR-RHI'-ZA. —Calyx-teeth obsolete, fruit linear to 

 linear-oblong with caudate attenuation at base, very bristlv; thick 

 aromatic roots; leaves ternately compound; flowers white. 



Os-mor-rhi'-za ciay-to'-ni (Mx.) B. vS. P. [O. brcvistylis DC.) Sweet 

 Cicely. — Villous-pubescent, styles short, '4 in. long. 



Os-mor-rhi'-za lon-gis'-ty-lis UC. Sweet Cicely. — Glabrous or slightly 

 pubescent ; styles longer, ] line long or more. 



8. Genus ZIZ'-I-A. — Calyx-teeth prominent; fruit ovate to oblong, 

 flowers yellow, the central fruit of each uniljel sessile. 



Ziz'-i-a au'-re-a (L.) Koch. Meadow Parsnip. — Leaves (except the 

 uppermost) 2 to o-ternate ; fruit oblong, about 2 lines long. 



Ziz'-i-a cor-da'-ta (Walt.) DC. Meadow Parsnip. — Radical leaves, 

 mostly long-petioled, cordate or even rounder, crenately toothed, ver}' 

 rarely lobed or divided ; stem-leaves simply ternate or quinate, fruit 

 ovate, 1 Yz in. long. 



y. Genus ER-I GE'-NI-A. — Calj-x-teeth obsolete, petals obovate or 

 spatulate ; fruit nearly orbicular and laterally flattened ; small glabrous 

 vernal plants, a simple stem from a deep round tuber and bearing one 

 or two 2-3-ternately divided leaves; flowers few, white. 



Er-i-ge'-ni-a bul-bo'-sa (Mx.) Nutt. Harbinger of Spring. — Stem 3-9 in. 

 high ; leaf segments linear-oblong. 



