ANTHEMIS, ARBUTUS. 375 



Exotic. 

 archangel"ica (archangel. S ). leaves with the odd terminal leafet lobed. 



172. ANTHEMIS. 49. 55. 



cof'ula (mayweed. O. w. J. ). receptacle conic, chaff bristly, seed naked : 

 leaves 2 pinnate, leafets subulate, 3 parted. 10 i. S. 



Ezotic. 



no'bilis (chamomile. w. Au. 4). leaves 2 pinnate ; leafets 3 parted; linear-sub- 

 ulate, sub-villous : stem branching at the base. Fragrant. 4 i. 



22. ANTHOXANTHUM. 4. 10. 



odora'tum (sweet vernal grass. O. M. 4). spike oblong-ovate; florets sub- 

 pcdunclec), shorter than the awn. An American variety, altissimum, is larger 

 and of a dark green. An elegant substitute for the Leghorn grass. 10 

 18 i. 5. 



132. ANTIRRHINUM. 40. 40. 



lina'ria (snap-dragon, y. Ju. 4.'. erect, glabrous : leaves scattered, lanceolate- 

 linear, crowded together : spikes terminal, dense-flowered : calyx glabrous, 

 shorter than the spur Flowers large (toad-flax). Naturalized. 12 18 i. 



1610. APIOS. 32. 93. 



tubero'sa (ground-nut. O. dark p. Ju. 4). stem twining : leaves pinnate, with 

 7 lance-ovate leafets : racemes shorter than the leaves : root tuberous 

 farinaceous, in taste resembling the cocoa-nut, and highly nutricious. This 

 plant should be cultivated in moist rich soil, for food. 

 52. APIUM. 45. 60. 



Exotic. 



petroseli'num (parsley. Ju. <?). cauline leaves linear: involucrum minute. 

 grave'okns (celery. Ju $ ). stem channelled : cauline leaves wedge-form. 



185. APOCYNUM. 30. 47. 

 androscemifo'lium (dog-bane. O. r-w. J. 4). stem erect and branching; leaves 



ovate : cymes lateral and terminal : tube of the corolla longer than the 



calyx, with a spreading limb. 3f. S. 

 cannab"inum (O. g-y. J. 4). leaves lanceolate, acute, at each end, smooth on 



both sides : cymes paniculate : calyx as long as the tube of the corol. 



125. AQUILEGIA. 26. 61. 

 canaden'sis (wild columbine. O. r. & y. Ap. 4). horns straight : stamens ex- 



sert, leaves decompound. Growing frequently in crevices of rocks. 15 i. 



Exotic. 

 vu1ga'ri.s (garden columbine. J. 4). horns incurved : leafy : stem and leaves 



glabrous ; leaves decompound. The nectariferous horns become numerous 



by culture; one hollow 7 horn within another. 15 i. 



142. ARABIS. 39. 63. 

 lyra'ta (w. A. 5). stem and upper leaves smooth and glaucous : radical leaves 



lyrate-pinnatifid, often pilose : stem branched at the base ; pedicels much 



longer than the calyx. 10 i. 

 canaden"sis (O. w. J. 4). stem leaves sessile, oblong-lanceolate, narrow at the 



base, pubescent : pedicels pubescent, reflexed in the fruit : siliq.ues penda- 



lous, sub-falcate, nerved. 2 f. S. 

 rhomWidea (spring cress. O. w. M. 4). leaves glabrous, rhomboidal, repand 



toothed, the lower ones nearly round, on long petioles ; root tuberous. *15 i. 



Wet. <S. 



55. ARALIA. 46. 59. 



racemo'sa (spikenard. O. w. J. 4). spreading branches: petioles 3 parted, the 



partitions 3 5 leaved ; leafets often heart-form ; branchlets axillary, leafy : 



umbels many, sub-pariiclod, leafless above. Damp. 4f. 

 nudicaii'lis (O. g-w. J. 4). stem hardly a caulis : leaf solitary, terquinate : scape 



shorter than the leaf : umbels few. S. 



101. ARBUTUS. 18. 51. 

 UW-UT"SI (bear-berry, kinnikinnick. O. w-r. M. > ). stem procumbent : leaves 



w'edge-obovate, entire ; berry 5 seeded. Dry, barren sand plains, & c . Very 



abundant about the great lakes. 



