76 ANTIRRHINUM—ARACHIS. 
ANTIRRHINUM. 13—2. ( Bignonice .) [From anti, against, ris, nose, said to be so named 
from an unpleasant odour in some of its species. 
lina'ria, (snap-dragon, y. Ju. 7f-) erect, glabrous; leaves scattered, lanceolate- 
linear, crowded together; spikes terminal, dense-flowered ; calyx glabrous, 
shorter than the spur. Flowers large. Toad-flnx. Naturalized. 12-18 i. 
elat'ine , (y. Ju. %D.) procumbent, hairy; leaves alternate, hastate, entire; pe¬ 
duncles solitary, axillary, very long. Flowers small, bluish white. Intro¬ 
duced. 
trianthop"orum, \e aves whorled, lanceolate, 3-parted; stem decumbent; ra¬ 
cemes terminal, few-flowered. Flowers large. Ex. 
APARGIA. 17—1. ( Cichoracece .) [A Greek word, signifying succory.] 
autumnalis, (false hawk-weed, y. J. 9f.) scape branching; peduncles scaly; 
leaves lanceolate, toothed, or pinnatifid, smoothish. Flowers bright yellow, 
resembling the dandelion. Fields and road-sides. Introduced. 
APIOS. 16—10. ( Leguminosce .) [From the Greek apics, mild, in allusion to the root.] 
tubero'sa , (ground-nut, dark p. Ju. tf.) stem twining; leaves pinnate, with 7 
lance-ovate leafets; racemes shorter than the leaves; root tuberous, farina¬ 
ceous, in taste resembling the cocoa-nut, and highly nutritious. Ex. 
APIUM. 5—2. ( Umbelliferce .) [Supposed to be derived from the Greek apes , bees, because 
they are fond of the plant.] 
petroselinum , (parsley, Ju. rf.) cauline leaves linear; involucrum minute. Ex. 
grave'olens, (celery, Ju. JV) stem channelled; cauline leaves wedge-form. Ex. 
APLECTRUM. 18—1. ( Orchidece .) [From a, without, plectron, spur.] 
hiema'lis, (g-p. M. 7}.) leaf solitary, ovate, striate ; lip trifid, obtuse, with the 
palate ridged; central lobe rounded, crenulate. Shady woods. Flowers 
pendulous. I f. 
APOGON. 17 -1. ( Cichoracece .) [From a, without, pogon, beard.] 
JmmiV'is, (y. Ap. <§>.) stem glabrous; radical leaves sessile ; cauline, ligulate* 
acute, leaves entire, glabrous. 
APOCYNUM. 18—5. (Apocynece.) [From apo , against, and kunos, a dog.] 
androscemifo'lium, (dog-bane. r-w. J. Of.) stem erect and branching; leaves 
ovate; cymes lateral and terminal; tube of the corolla longer than the 
calyx, with a spreading limb. 3 f. 
cannab"inum. (g-y. J. 7|.) leaves lanceolate, acute at each end, smooth on both 
sides; cymes paniculate ; calyx as long as the tube of the corolla. 
AQUILEGIA. 12—5. (Ranunctilaceee.) [From the Latin aqua, water, and ago , to gather, so 
called lroin the shape of its leaves, which retain water.] 
canaden ,f sis , (wild columbine, r. and y. Ap. 7f ) horns straight; stamens ex- 
sert, leaves decompound. Growing frequently in crevices of rocks. 15 i. 
cceru'lia , (b. J. A) horns twice as Jong as the petals; nectaries acute; seg¬ 
ments of the leaves deeply lobed. 18-1. Southern. 
vulgaris , (garden columbine, J. 7J_.) horns incurved ; leafy; stem and leaves 
glabrous ; leaves decompound. The nectariferous horns become numer¬ 
ous by culture ; one hollow horn within another. 15 i. Ex. 
ARABIS. 14—2. ( Cruciferce .) [Probably named in Arabia.] 
lyra'ta , (w. A. tf.) 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. 
canadeu/sis,(w. J. 7}..) stem leaves sessile, oblong-lanceolate, narrow at the 
base, pubescent; pedicels pubescent, reflexed in the fruit; siliques pendu¬ 
lous, sub-falcate, nerved. 2 f. * 
rhomb o'idea, (spring cress, w. M. 7]..) leaves glabrous, rhomboidal, repand- 
toothed, the lower ones nearly round, on long petioles ; root tuberous. 15 i. 
Wet. 
t 
ARACHIS. 16—10. {Leguminosce ) [A Greek word, signifying a rooting plant ] 
iiypogcea, (pea-nut, false ground-nut, <v).) stem procumbent, pilose; leaves 
pinnate ; flowers axillary ; peduncles become long, and the fruit is ripened 
under ground. 
