ARO 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. 21) 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. 
Feni’culum, (fennel.) fruit ovate ; plant perennial. 
17-2. ANTHEMIS. 
Cot’’ula, (mayweed. O. w. J. &) receptacle conic, chaff bristly, seed 
naked; leaves 2-pinnate, leafets subulate, 3-parted. 10. i. 
Exotic. 
No’bilts, (chamomile. w. Au. 2) leaves 2-pinnate; leafets 3-parted> 
linear subulate, sub-villous, stem branching at the base. Fragrant: 
4. i. 
2-2. ANTHOXANTHUM. (From the Greek Anthos, a flower, 
and Xanthus, yellow.) 
Oaora tum (sweet vernal grass. O. M. 2,) 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. 10—i8. 1. 
13—2. ANTIRRHINUM. (From the Greek anti, like, and rin, a 
snout.) 
Lina’ria, (snap-dragon. y. Ju. 2) erect, glabrous; leaves scattered, 
lanceolate-linear, crowded together; spikes terminal, dense-flower- 
ed; calyx glabrous, shorter than the spur. Flowers large—(toad 
flax.) Naturalized. 12—18. i. 
12—5. AQUILEGIA. (From Aguila, an eagle.) 
Canaden’sis, (wild columbine. O. r. & y. Ap. 21) horns straight ; 
stamens exsert, leaves decompound. Growing frequently in cre- 
vices of rocks. 15, i. 
Exotic. 
Vulga’ris, (garden columbine. J. 21) horns incurved ; leafy, stem and 
leaves glabrous; leaves decompound. The nectariferous horns be- 
come numerous by culture; one hollow horn within another, 15. i. 
11—5. ARONIA. 
Botrya’mum (shad bush, june-berry. O. w. Ap. h,) leaves oblong oval, 
euspidate, glabrous when mature (when first expanded lanceolate 
