UMBELLIFEK.E. (pAliSLEY FAMILY.) 177 



8. E. prsealtum, Gray. Leaves lanceolate, flat, veiny, serrate ; the up- 

 per ones linear, spiny-toothed ; leaves of the Involucre 2-3 times as long as 

 the head; bracts tricuspidate, barely as long as the mature calyx. (E. Yir- 

 giuianum, EU.) Fresh marshes near the coast, Georgia to North Carolina. 

 August. Stem 4 -6 high. Lowest leaves l-2 long and 2^-3' wide. 

 Flowers white. 



9. F. aromaticum, Baldw. Stems clustered, prostrate, very leafy; 

 leaves spatulate, piunutely lobed, cartilaginous on the margins ; the 3 upper 

 lobes broad and spine-pointed, the lower ones scattered and bristle-like; leaves 

 of the involucre 3-clef t, longer than the globose head ; bracts 3-toothed. Dry 

 pine barrens, East and South Florida. Sept. Stems 1 long. 



* * Stems prostrate or spreading, Jill form : heads small, on solitary axillary 



peduncles : flowers blue. 



10. E. prostratum, Nutt. Stems several, prostrate, branching ; leaves 

 thin ; the earliest ones ovate or oblong, sharply serrate or toothed, long-peti- 

 oled, the others 3-parted, with the middle segment lanceolate and coinmoulv 

 3-toothed ; involucre longer or shorter than the oblong head ; bracts spatulate, 

 obtuse, barely exceeding the calyx. Low sandy pine barrens, Georgia, 

 Florida, and westward. Sept. Stems - 1$ long. 



11. E. Baldwinii, Spreng. Stems single,, diffusely branched above; 

 leaves lanceolate or oblong, entire, or sparingly toothed, loug-petioled, the 

 floral ones sessile, 3-parted, with the segments linear or filiform and entire ; 

 involucre as long as the hemispherical head ; bracts subulate, acute, twice sis 

 long as the calyx. Damp sandy soil along the coast, Georgia, and westward. 

 July - August. @ Stems 1 - 2 long. Leaves somewhat fleshy. Flowc rs 

 very small. 



5. PIMPERNELLA, L. 



Calyx teeth obsolete. Fruit ovoid-oblong, twin. Carpels 5-ribbed, the cross 

 section nearly orbicular, Vittte 3 in each interval, and 4 on the commissure 

 Smooth perennial herbs, with 2 -3-teruately compound .leaves, and yellow 

 flowers. 



1. P. integerrima, Benth. & Hook. Stem slender; leaflets oblong- 

 ovate, entire; rays of the umbel long and slender; involucre none. 

 (Smyrnium integerrimum, L.) Rocky woods, Mississippi, and northward. 

 May - June. Stem 1 - 2 high. 



6. BrrpLEURUM, Tourn. 



Calyx teeth obsolete. Fruit flattened at the sides, or twin, ovate-oblong 

 Carpels 5 ribbed, the intervals witli or without vittaa. Smooth herbs, with 

 entire simple leaves, and yellow flowers. 



1. B. rotundifolium, L. Leaves ovate, perfoliate ; umbel 5-rayed ; in- 

 volucre none; leaves of the involucel 5, ovate, mucrouate. Waste ground. 

 Sparingly introduced. 



7. CICUTA, L. WATER HEMLOCK. 



Cnlyx 5 toothed. Fruit roundish. Carpels with 5 flattish equal ribs ; the 

 intervals with single vittae, and 2 on the inner face. Smooth pereni.ial 



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