136 i remnxim ae. 



Rocky hills arid woods. Stem 1 to 2 feet high. Flowers dark purple. Fruit 

 strongly winged, as broal as long. 



9. ZIZIA. Koch. Golden Alexanders. 



In honor of J. B. Zirie, a German botanist. 



Calyx minutely ^-toothed. Petals elliptic, apex acu- 

 minate, inflexed. Fri l ovate or oval, flattened, didymous; 

 carpels 5, ribbed, without wings; ribs narrow; vittce 1 to 

 3 in each interstice. — Smooth jjcrc/inicds, with divided leaves, 

 no involucre, few-leaved involuccls, and perfect umbels of 

 yellow flowers. 



1. Z. CORDATA, Koch. 



Root-hiaves simple, cordate, rarely lobed, crenate-serrate; stem-leaves sub-sessile, 

 ternate, segments petiolate, ovate or oblong, serrate. 



Meadows: common. May, June. Stem 12 to IS inches hieh. smooth, Foot- 

 leaves sometimes slightly lobed. Jhvoluoels 1 to 2-leaved. Umbels on long naked 

 peduncles. Flavors yellow. Fruit short, oval, black. 



2. Z. aurea, Koch. 



Lower leaves biternate: upper ones biternate or ternate; segments oblong-lanceo- 

 late, acute, sharply serrate and often cut, the end ones attenuate into a wedge-form 

 baseorwingel s;alk; invciucets 3-leaved. 



Be ky hills, woods and riyer sides. June, July. Stem 1 to 2 feet high, branching 

 at the top, rather slender, erect, hollow, smooth. Le-u-er leaves on long ] i 

 Umbels about 2 inches broad. 10 to IS rayed. Flowers numerous, orange-yellow. 

 Fruit oval, brown, with prominent ribs. 



3. Z. integerrima, DC. 



Leaves all 2 to 3-ternately divided ; segmenis ovate of oblong, entire, obtuse, 

 smooth and glaucous ; -leaved, very short. 



Rocky wools : rare. May, June. Stem 1 to 2 feet hish. branching above. Leans 

 all petiolate, pale beneath." Umbel with riliform rays 1 to 3 inches long, 



with minute iuvolucels. ' Flowers yellow. Fruit roundish, compressed laterally, 

 dark brown. 



10. CICUTA. Linn. Water Hemlock. 



(The ancient Latin name of Ilemlock.) 



Calyx minutely 5-toothcd. Petals obcordate, the points 

 inflected. Fruit roundish, a little contracted at the sides; 

 carpels with 5 flattish strong ribs ; the lateral ones margined ; 

 interstice with single vittae. — Smooth marsh perennials, with 

 hollow stems, thrice pinnatety or temately compound I. 

 few-leaved involucre, many-leaved involuccls, and perfect um- 

 bels of white flowers. 



1. C. maculata. L. Water Hemlock. 



Lamer leaves triternate and quinate: upper ones biternate, segments oblong- 

 lanceolate. Coarsely serrat | i inal and axillary. 



Wet meadows; common. July, Aug. Stem 3 to 6 feet high, streaked with 

 purple, smooth, jointed, glaucous, branched above. Feti'Jes dilated at base into 

 long abrupt clasping stipules. Lt iflets 1 to 3 inches long, le, sometimes 



lobed, pointed. UmbcU numerous, 2 to i inches broad. Poisonous. 



