74 ALYSSUM-AMYRIS. 



ALYSSUM. 14—1. (Crunfera.) [From the Greek aUuso, mad; this plant bsin-ti formerlT 

 supposed to be a cure for the bite of a mad dog.] 



hyperbo'reum, stem herbaceous ; leaves hoary, toothed ; slanaens 4 2-forked. 

 saxati"le, (y. I2.) gold basket. Flowers in panicles, leaves lanceolate, soft, 



retuse. Ex. 

 AMARANTIIUS. 19—5. (Amara7i/hi.) [Signifying not withering.] 

 albus, {while coxcomb, g-vv. Jn. (2).) glomerules axillary, triandrous; leaves 



obovate, retuse ; stem 4-cornered, simple. Common garden weed. 

 melanchoricus, (love lies bleeding, r. ©.) glomerules axillary, pednncled, 



roundish ; leaves lance-ovate, coloured. Ex. 

 tri-colour, glomerules sessile, leaves lance-oblong, coloured. Ex. 

 livid"us, g\omevu\esi triandrous, sub-spiked roundish; leaves oval, retuse; 



stem erect. Ex. 

 AMARYLLLS. 6—1. (X-arcissi.) 

 atamas"co, (atamasco lily, w. and r. J. %.) spatha 2-cleft, acute ; flower pedi- 



celled ; corolla bell-form, sub-equal, erect ; stamens declined. S. 

 formosis"sivia, Qgicohea. %) .spatha 1-flowered ; corolla ringent-like ; petals 



declined. Ex. 

 imdula'ta, (waved lily, Sept.) The flowers numerous on each stalk; petals 



pink, undulate. Ex. 



AMBROSIA. 19 — 4. (Urticea.) [The name awiirosia, food for the gods, seems strangely mis 

 applied to a genus of plants possessing neither beauty nor valualjle properties.] 



elati'or, (hog-weed, S. 0.) leaves doubly pinnatifid, smoothish ; petioles long, 

 ciliated; racemes terminal, panicled ; stem wand-like. 



trifi'da, (g. y. ©. S.) hirsute, rough; leaves very large, 3-lobed, serrate ; the 

 lobes oval-lanceolate, acuminate ; fruit 6-spined below the summit. Flow- 

 ers in terminal panicles composed of long axillary spikes. 5 to 8 f. 

 AMORPHA. 16—10. {Leguminosoi.) [From the Greeii a, wanting, OTor^/je, shape.] 



frulico'sa, (Ju, I?.) smooth, sub-arborescent; leaves petioled, emarginate ; 

 spikes aggregated, long ; calj'x hoary, pedicelled, one of the teeth acumi- 

 nate, the rest obtuse ; legume few-seeded. N. J. to Car. and W. to Rocky 

 Mountains. A shrub with spikes of purple flowers. 



fubes'ccns, (w J. \i.) small, shrubby ; leaves on very short petioles, obtuse at 

 each end, hairy; spike long, panicled, hairy; calyx sub-sessile, with acu- 

 minate teeth. 3 f. 

 AMPELOPSIS. 5—1. {Vites.) [From the Greelc ompeioso, vine, and ops, resembling.] 



quinquefo'Ua* (g. Ju. %..) stem climbing and rooting; leaves quinate, digitate, 

 smooth ; leafets petiolate, oblong, acuminate, toothed ; racemes dichoto- 

 mous. Var. hirsuta, leaves pubescent on both sides ; leafets ovate, coarsely 

 toothed. 



cordata, (Ju. T^.) stem climbing, with .slender branches; leaves cordate, acu- 

 minate, toothed, and angular ; nerves beneath pubescent ; racemes dichoto- 

 mous, few-flowered. Banks of streams. Panicles opposite the leaves. 



bipin'iiatca, lecLves doubly pinnate; lance-ovate, deeply toothed and lobed 

 Flowers in corymbs. Southern. 

 AMPHICARPA. 16—10. (.Leguminosm.) [From the Greek amp/a", about, iarpos, the fruit.] 



mono'ica, (wild bean-vine, b. atid w. Ju. ©.) stem slender, twining, hairy 

 backwards; leaves ternate, ovate, nearly smooth; stipules ovate, striate. 

 Var. comosa has hirsute leaves. Twining. 4 f 



AMYGDALUS. 11 — 1. (RosacecB.) [Derived from a Greek word, which signifies to lacerate, 

 alluding to the furrows upon the pericarp of the almond.] 



per"sica, (peach, r. M. T7.) serratures of the leaves all acute, flowers sessile, 

 solitary. 15 f. Ex. 



na'na, (flowering almond, T2.) leaves ovate, tapering to the base, sharply ser- 

 rate. 3f Ex. 



com'munis, (almond,) leaves serrate, the lower ones glandular ; flowers ses- 

 sile, binate. Ex. 



AMYRIS. R— 1. (Terebintacea.) [From the Greek, signifying balm or ointment, so called 

 from its use, or smell. Ex.] 

 florida'na, (w. 1^.) leaves ovate, sessile, entire, obtuse; flower sub-panicled. 



Cissus hederaceaof Mirbel. 



