Obdeh 63.— TJMBELLIFERJE. 381 



eovered with vittse. — 71 Petioles usually large, inflated and 3-parted. 

 Umbels perfect. Involucels many-leaved. 



• Involucels less than half the length of the pedicels Ko, 1 



* Involucels about as long as pedicels.— Fruit broadly winged. . . ..... ..... '. . . .Nos, 2— t 



— Fruit scarcely winged No. 5 



1 A. atropiirpilirea Hoffm. St. dcurk purpk, furrowed; petioles 3-parted, the 

 divisions quinate, Ifts. iueisely toothed, odd leaflet of the terminal divisions rhom- 

 boidal, sessile, the others deourrent ; involucels of short, setaceous bracts. — Among 

 the lai'gest of the Umbelliferae, well known for its aromatic properties, comirion in 

 Holds and meadows, N. and W. States. St. 4 to 6f high, 1 to 2J' in thiekne.'s, 

 smooth, hollow, glaucous. Petioles large, inflated, channeled on the upper sidc^ 

 with inflated sheaths at base. Terminal 1ft. sometimes 3-lobed. Umbels spheri- 

 cal, 6 to 8' diam., mostly puberulent. Fr. 3'' long, winged. Jn. Fls. grtcniph 

 white. (Angelica triquinata Mx.) 



2 A. hirsira Torr. & Gr. St. striate, the summit with the umbels fomentous-hir- 

 sute ; Ivs. bipinnately divided, the divisions quinate, segm. oblong, acutish, the 

 upper pair connate, but not deourrent at base. — Dry woods, N. Yotk to Car. St. 

 simple, erect, straight, 3 to 5f high. Lvs. on petioles from 6 to 10' long; Ifts. 1 

 to 2 J' long, j as wide, mostly ovate-oblong, often tapering at base. Umbels 3 or 

 4, on long, velvety peduncles, 2 to 4' broad ; rays unequal, spreading, densely 

 tomentous. Invol. 0. Involucels of 4 to 6 bracts, about as long as the rays. 

 Jl., Aug. (Angelica Mx.) 



3 A. officinalis Hoffm. Garden Angewoa. St. smooth, round, striate; 

 lvs. pinnatoly divided into lobate, suboordate, acutely serrate segments, the ter- 

 minal one 3-lobed ; sheaths largo and saccate. — Said to be native in Labrador. 

 Cultivated in gardens occasionally for the sako of the stalks, which are to be 

 blanched and eaten as celery. \ (Angelica Linn.) 



4 A dentata Chapman. Very slender, finely striate, with slender petioles ; lower 

 lvs. first tomate, then temate or quinate, with lance-ovate, coarsely and remotely 

 toothed, veiny segm., more or less confluent ; umbels few-rayed, with scarcely 

 any involucre ; involucel 4 to 6-leaved, about equaling the pedicels ; fr. broad- 

 oval, broadly winged. — Bainbridge, Ga. (Misses Keen), Quincy, Fla. (Chapman.) 

 Plant 2 to 3f high. Fr. IJ" long. Jl., Aug. 



5 A. peregrina Nutt. St. striate, pubescent at summit ; lvs. temately divided, 

 the divisions quinate, segm. incisely serrate ; umbel with many slender rays ; in- 

 vol. ; involucels of many Ifts., as long as the umbellets ; fr. with obtuse, svJjequai, 

 scarcely winged ribs. — Sea coast, Me. and Mass. (Pickering.) 



12. DAU'CUS, Tourn, Carrot. (AavKog, the ancient Greek name 

 o{ the carrot.) Calyx limb 5 -toothed ; petals emarginate, with an in- 

 flected point, the 2 outer often largest and deeply 2-cleft ; fruit oblong ; 

 carpels with 5 primary, bristly ribs, and 4 secondary, the latter more 

 prominent, winged, and divided each into a single row of prickles, and 

 having single vittse beneath ; carpophore entire, free. — ® Invol. pia- 

 natifid. Involucels of entire or .3-cleft bracts.' Central fl. abortive. 



1 D. Carota L. St. hispid ; petioles veined beneath ; los. tripinnate or tripin- 

 natifid, the segm. linear, cuspidate-pointed; umbels dense, concave. — The word 

 kar in Celtic signifies red, hence carrot. Naturalized in fields and by roadsides, 

 abundant in the Mid. States. Rt. fusiform. St. 2 to 3f high, branching. Lvs. 

 numerous, divided in a thrice pinnatifid manner, pale green. Umbels large and 

 very compact, with white fls. blooming all the summer. Cultivation has pro- 

 duced several varieties. JL — Sept. § J 



2 D. pusillus Mx. St. slender, retrorsely scabrous-hispid ; ^. pubescent, bipm- 

 natifid, divisions deeply lobed with linear-oblong, merely acute segm. ; invol. bipin- 

 natifid; fr. muricate with barbed prickles. — Dry soils, Savannah (Pond) to S. Car. 

 and La. Sts. 6 to 18' high. Umbels small, an inch or two broad, enveloped in 

 the many-cleft involucre. Sds. smaller than in the Carrot. 



