A R O , 163 



in threes, ternate, upper ones opposite ; leafets gashkibate and per* 

 rate-acute; peduncles solitary, 1-flowered, elongated; seed oblong, 

 woolly, mucronate, in heads, 18. i. 



frcmoro'sa, (low anemone. O. r-w. M. 7|.) stem 1-flowered ; cauline 

 leaves in threes, ternate ; leafets wedge-form, gash lobed, toothed, 

 acute; corolla 5-6 petaled; seeds ovate, with a short style, hooked. 

 A variety, quinquejolia, has lateral leafets deeply 2-cleft. 6. i. 



5 2. ANETHUM. 



Exotic. 



Grave'olens, (dill.) fruit compressed ; plant annual 

 F&ni'culum t (fennel.) fruit ovate ; plant perennial. 



172. ANTHEMIS. 



Cof'ula, (mayweed. O. w. J. <v)) receptacle conic, chaff bristly, seed 

 naked; leaves 2-pinnate, leafets subulate, 3-parted. 10. i. 



Exotic. 



No'bihs, (chamomile. w. Au. QJ.) leaves 2-pinnate ; leafets 3-partedJ 

 Linear subulate, sub-villous, stem branching at the base. Fragrant- 

 4.i. 



22. ANTHOXANTHUM. (From the Greek Anthos, a flower, 

 and Xanthus, yellow.) 



Oaora turn (sweet vernal grass. O. M. Tj.,) spike oblong-ovate ; flo- 

 rets sub-peduncled, shorter than the awn. An American variety. 

 altissimum, is larger and of a dark green. An elegant substitute for 

 the Leghorn grass. 1018. i. 



132. ANTIRRHINUM. (From the Greek anti, like, and -Hn, a 

 snout.) 



lAna'ria, (snap-dragon, y. Ju. Tj.) erect, glabrous; leaves scattered. 

 lanceolate-linear, crowded together; spikes terminal, dense-flower- 

 ed; calyx glabrous, shorter than the spur. Flowers large (toart 

 flax.) Naturalized. 1218. i. 



125. AaUILEGIA. (From Aquila, an eagle.) 



CfcfjKMfat'xif, (wild columbine. O. r. & y. Ap. *2|.) horns straight, 

 stamens exsert, leaves decompound. Growing frequently in ere- 

 rices of rocks. 15. i. 



Exotic. 



Vulga'ris, (garden columbine. J. '2J.) horns incurved ; leafv, stem ar 

 leaves glabrous; leaves decompound. The nectariferous horns te- 

 come numerous by culture ; one hollow horn within another. 15. i. 



115. ARONIA. 



Uotry&'f*wm (shad bush, june-berry. O. w. Ap. T?,) leaves obiong oval, 

 cuspidate, glabrous when mature Cwhen first expanded lanceolate 



