A R O 163 



in threes, ternate, upper ones opposite ; leafets gashlobate and ser- 

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

 woolly, mucronate, in heads. 18. i. 



Nemoro'sa, (low anemone. O. r-w. M. IJ.) 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, quinquefolia, has lateral leafets deeply 2-cleft. 6. i. 



5 2. ANETHUM. 



Exotic. 



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

 Fani'dilum, (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. 1\.} leaves 2-pinnate ; leafets 3-parted? 

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

 4. i. 



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



and X'inthus, yellow.) 



Oaora turn (sweet vernal grass. O. M. 1|.,) spike oblong-ovate ; flo- 

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

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

 the Leghorn grass. 10 18. i. 



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



snout.) 



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

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

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

 flax.) Naturalized. 1218. i. 



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



Canaden'sis, (wild columbine. O. r. & y. Ap. Ij.) horns straight. 

 stamens exsert, leaves decompound. Growing frequently in cre- 

 vices of rocks. 15. i. 



Exotic. 



Vulga'ris, (garden columbine. J. 1(-) horns incurved ; leafy, stem anil 

 leaves glabrous ; leaves decompound. The nectariferous horns be- 

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



115. ARONIA. 



Botrya'ptum (shad bush, june-berry. O. w. Ap. T?,) leaves oblong oval, 

 cuspidate, glabrous when mature (when first expanded lanceolate 



