AGllOSTEMMA— ALYSSUM. 



71 



Dairy, leaves interruptedly pinnate, with 

 the terminal ones sossile, leafets numer- 

 ous, mostly linear-lanceolate, incisely ser- 

 rate ; spike vir^ate ; flowers on vorj' short 

 pedicels ; petals longer than the calyx ; 

 fruit roundish, divaricately hispid. 

 \'GROSTEM''MA. 10—5. (Caryophyllem.) 

 [From the Greek agros, field, siemma, gar- 

 land.] 



^itka'go, (cockle, r. J. 0.) hirsute ; ca- 

 lyx longer than the corolla ; petals entire. 



corona'ria, (Au. $ .) tomentose ; leaves 

 lance-ovate ; petals emarginatc. Rose 

 campion. Ex. 



1GR0S"T1S. 3—2. (Graminecc.) [From agros, 

 field..] 



stnc"/.a, (bentgrass, J. If-) panicle elon- 

 gated, straight; glumes equal ; paleas smal- 

 ler than the glumes, unequal, with an awn 

 at the base of the outer one longer than 

 tlie flower. 



latciifio'ra, (Au. 2/.) culm erect, 

 branched above, sending ofF shoots at the 

 base ; panicle lateral and terminal, den.se ; 

 flumes acuminate ; paleas longer than the 

 glumes, equal, hairy at the base, awnless; 

 root creeping ; leaves broad, with scab- 

 rous margins and compressed sheaths. 2 f. 

 V ax . filifor"inis, a very slender panicle, and 

 the paleas nearly equalling the glume. 

 Sometimes the culm is sub-decumbent. 

 Swamps. 



vuls;a'ris, (red-top, J. 11. ) panicle with 

 emoothish branches, spreading in maturity ; 

 outer valve of the corolla 3-nerved ; stipule 

 short, truncate. 18 i. 



aV'ha, (white-top, bonnet grass, J. 2J!.) 

 panicle with hispid, spreading, lax branch- 

 es, outer valve of the corolla 5-nerved, 

 stipule oblong. 18 i. Var. decum"bens, 

 stem decumbent. This variety is consid- 

 ered as a di.stinct species by some, and 

 called stolonif'era. 



AI'RA. 3—2. (Graminea:.) [From tlie Greelc, 



a deadly instrument.] 



Jlcxno'sa, (hair-grass, J. 11. ) panicle 

 spreading, trichotomous ; branches flexu- 

 ons ; glumes a little shorter than the florets, 

 and about the length of the awn ; leaves 

 setaceous; culm nearly naked. 20 i. 



aqnafica, (water hair-grass, M. 2/.) pan- 

 icles spreading, half whorled ; flov^'ers 

 beardless, obtuse, smooth, longer than the 

 glumes; leaves flat; culm creeping. Wa- 

 ter. 



A-JU"GA. 13—1. {Labiata.) [From a, With- 

 - out, zugon, yoke, not paired.] 



chanKBpi'lhys, (y. J. ^.) leaves 3-cleft; 

 flowers axillary, solitary, shorter than the 

 leaves ; stem diffused. 



ALCIIEMIL"LA. 4—1. (Rosaca:.) [A plant 

 formerly in repute among the alchymists.] 

 nlpi'na, (A. w. 2^.) leaves digitate, ser- 

 rate, white, soft beneath. Ladies' mantle. 

 High mountains. Ver. N. Hamp. 



ALK'TRIS. 6-1. {AsphodeU.) [From a 

 Greek word signifying meal, from a sub- i 

 stance contained in the corolla.] I 



farino'sa, (.Ju. y. If.) leaves radical, 



broad-lanceolate, smooth ; flowers pedi- i 



celled, oblong-tubular ; the perianth when 

 decaying nearly smooth Sandy woods. 

 N. Kng. to Car. White flowers in a lon- 

 gitudinal spike. Root very bitter. Star- 

 grass, colic-root. 



mn-e'a, (Aug. 1^.) flowers yellow, sub- 

 sessile, sub-campanulate. N. J. to Car. 



ALIS"MA. 6—13. {Junci.) [From the Greek 



als, the sea.] 



planta'go, (water plantain, w. Ju. 11.) 

 leaves ovate-cordate, acute or obtuse, 5 to 

 9-nerved ; flowers in a compound, verticil- 

 late panicle; fruit obtusely triangular. Var. 

 pa rviJlo'ra,i\ow ers very small ; leaves oval, 

 5 to 7-nerved, acuminate. 

 ALLIO'NIA. 4—1. (Jasminem.) [Named in 



honor of an Italian botanist.] 



al"bida, (Ap.) leaves opposite, somewhat 

 scabious, lance-oblong ; involucrum 5-clef1t ; 

 corolla longer than the involucrum. 



nyctagyiil'ia (Ju. 11) stem erect ; leaves 

 broad-cordate, glabrous, acute ; peduncles 

 solitary. 

 AL"LIUM. C— 1. (AspJiodeli.) [From o/eo, to 



smell.] 



ce'pa, (garden onion, Ju! 2^.) scape na- 

 ked, swelling toward the base, longer than 

 the terrete leaves. 



schasnopra'sum, (cives, Ju. IX.) scape na 

 ked, equalling the leaves, which are terete- 

 filiform. Ex. 



vijiea'le, (field garlic, p. J. 2^ .) stem slen- 

 der, a little leafy ; cauline leaves rounded, 

 fistulous ; umbelliferous ; umbels bearing 

 bulbs ; stamens alternately tri-cuspidate. 

 Rose-colored. Introduced from N. Scotia, 



cajiaden"se, scape naked, terete ; leaves 

 linear ; head bulbiferous. Meadows. Flow- 

 ers numerous, rose-colored. Can. to Vir. 



sati'vum, (garlic, Ju. 2|.) stem Hat-leaved, 

 bulb-bearing ; bulb compound ; stamens 

 tri-cuspidate. 

 AL"NUS. 19—4. {Amentacece.) [From aim, 



Italian for alder.] 



serrula'ta, (alder, r-g. Ap. 1^ .) leaves ob- 

 ovate, acuminate; veins and their axils 

 hairy beneath ; stipules oval, obtuse. 3 f. 



glutiyu/sa, (Ap. ^.) leaves round-wedge 

 form, obtuse, glutmous, axils of the vei'njs 

 downy. 



glnu'ca, (Mar. ^.) leaves oblong, acute, 

 doubly sen-ate, glaucous beneath, axils of 

 the veins naked; stipules naked. Black 

 alder. 



ALOPECU'RUS. 3—2. {Graminea:.) [From 

 alopex, a fo.x, and aura, a tail.] 

 prateri'su, (meadow grass, foxtail, J. 2^.) 

 culm erect, smooth ; sijike cylindric ; pa- 

 leas as long as the glumes. 

 AI/'TH^A. 15—12. (Malvaceae.) [From aJ 

 then, to heal.] 



officina'lis, (marsh mallows, r. y. Ju. 2/.) 

 leaves downy, oblong-ovate ; obsolc'ely 3- 

 lobed, toothed. Flowers large, purple, 

 near salt marshes. 2 f. 



ro5e^«, (hollyhock, ^ .) stem erect; leaves 

 rough, heart-form, 5 to 7-angled, crenate. 

 Ex. 



ficifo'lia, (fig-hollyhock, $ .) leaves 7- 

 lobed, sub-palmate, obtuse. Ex, 

 ALYS"SUM. 14—1. (Crucifera:.) [From the 



