102 



ERYSIMUM— EUPATOttlUM. 



ERY'SIMUM. 14—2. (Crudfera.) [From 



erwo, to dinw. from its power of producing 



blisters.] 



amphib"u(m, (water-radish, y. J. li.) sil- 

 iqxie or rather siHcle, oblong ovate, decli- 

 ned ; leaves lance-oblong;, pinuatifid or ser- 

 rate ; petals longer than the calyx. Wet. 

 1-2 f. 



prihvs"tre, (y. Jn. 0.) leaves lyrate pin- 

 natilid; lobes confluent, unequally dentate, 

 smooth ; petals as long as the calyx ; sil- 

 iques short-turgid ; root spindle-form. 18 1. 



chc/ranflioi'des, (g.) leaves lanceolate, 

 eub-dentate, somewhat scabrous, gi'een ; 

 siliques erect, spreading, twice as long as 

 the pedicels; stigma small, sub-sessile. 

 Flowers small. S. 



as"perum, leaves linear-oblong ; lower 

 ones tooth-runcinate, all scabrous, pubes- 

 cent; siliques spreading; style short and. 

 thick. *S. 

 ERYTHRI'NA. 16—10. (Leguminoscc.) [From 



eruthros, blushing.] 



herba'cea, (r. M. 11. ) small leaves teniate ; 

 leafets rhomboidal, glabrous ; spikes long, 

 stem herbaceous, prickly. 2-4 f. 



cris"ta-galM. (coxcomb evergreen, r. M. 

 '^.) leaves temate; petioles prickly, glan- 

 dular , stem unarmed. 

 ERYTHR()'N[UM. 6—1. (Liliacect.) [From 



eruthros, red, on account of the color of its 



juice.] 



america' num. dens-canis, (dog-tooth vio- 

 let, adder's tongue, y. Ap. li-) leaves lance- 

 oval, punctate ; petals oblong-lanceolate, 

 obtuse at the point ; inner ones 2-dentate 

 near the base ; style clavate ; stigma en- 

 tire ; stigmas 3. 6-8 i. 



alhid"um, leaves elliptical-lanceolate, not 



f)unctate ; segments of the petals linear- 

 anceolate obtu.se, inner ones without den- 

 tures, sub-unguiculate ; style filiform ; stigma 

 3-cleft, lobes reflexed ; flowers white. Wet 

 meadows. Ap. May. Scape 6 inches high. 

 EUCHRO'MA. 13—2. (Scrophularice.) [From 



eu, fine, chroma, color.] 



cocci'nea, (painted cup, y. and r. J. $ .) 

 leaves alternate, linear, gash-pinnatifid ; di- 

 visions linear ; bracts dilated, generally 3- 

 cleft, longer than the flowers ; calyx 2-cleft, 

 about equal to the corolla, divisions retuse, 

 emarginate ; flowers yellow, %vith scarlet 

 bracts. One variety, pallens, has yellow 

 bracts. 10-16 i. 



grandijlo'ra, (g. w. M. 2-f.) loaves and 

 bracts mostly 3-cleft ; segments divaricate ; 

 calyx 4-cleft, partly oblique ; rorol longer 

 than the calyx, divisions of the lower lip 

 acuminate. Bracts not colored. 

 EUON"YMUS. 5—1. {Rhamni.) [From eu, 



good, nomos, name] 



america' nu!^, (burning bush, spindle-tree, 

 T-y. J. ^.) branches opposite, smooth, 

 square ; leaves opposite, sub-sessile, ellip- 

 tic-lanceolate, serrate ; peduncles mostly 

 3-flowered, terete; calyx small; corolla 5- 

 pctallcd ; fruit warty, scarlet. Shady woords. 

 4 6f. 



airopurpn'rcus, flowers dark purple ; 

 fruit bright red. 



obova'tns, flowers green, tinged with 

 purple. 



EUPATO'RIUM. 17—1. {CorymUfera:.) iFrom 



its discoverer, Eupator, king of Pontus.] 



1. Involucres not more than 5-flowered. 



hyssopifo'Uuvi, (hyssop thorough-wort, 

 hemp-weed, w. Au. 21.) stem erect; low- 

 est leaves opposite, lance-linear, sub-den- 

 tate ; corymb sub-fastigiate ; style much 

 longer than the corol. 2 f. 



sessilifo'Ihim, (w. Au. 2/-) leaves sessile, 

 clasping, distinct, lance-ovate, rounded at 

 the base, serrate, very glabrous ; stem 

 somewhat glabrous. 2 f. 



trunca'tum, (w. Ju. ^.) leaves sessile 

 clasping, distinct, lanceolate, truncate at ihe 

 base, sen-ate, somewhat glabrous; stea 

 pubescent. 



verhcnmfo'lium, (w. An. 2/.) leaves ses- 

 sile, distinct, lance-ovate, i-ugose, scabrous, 

 upper ones with coarse teeth at the base, 

 and with the summit entire. 2 f 



aV'bum, (Au. 2/.) leaves sub-sessile, lance- 

 oblong, roughish, serrate; inner scales of 

 the calyx long, lanceolate, scarious-colored. 

 Sea.shore. 18-24 i. 



pubes"cens, (E. w. Au. 2/.) leaves ses- 

 sile, distinct, ovate, sub-scabrous, veiny, 

 lower ones doubly serrate ; upper ones 

 .sub-.serrate ; stem panicled, pubescent • 

 branches fastigiate. 18-24 i. S. W. 

 2. Involucres moj-e than 5-Jlowered. 



'purpu'reum, (purple thoroughwort, joe- 

 pye, p. Au. 2X-) leaves in fours or fives, 

 p'etioled, lance-ovate, serrate, rugose-vein 

 ed, ronghi.sh, stem hollow. 4-6 f 



perfolia'tnm, (boneset, thoroughwort, w. 

 Au. 2X-) leaves connate-perfoliate, oblong- 

 serrate, rugose, downy beneath ; stem vil- 

 lose. 2 f. 



puncta'tum, (O. p. Au. 2^.) leaves in 

 fours or fives, petioled, ovate, acuminate, 

 serrate, scabrous both sides ; stem solid, 

 terete. 3-5 f N. W. States. 



verticilla'tum, (joe-pye's weed, p. Au. 

 21.) leaves petioled, in threes or fours, 

 lance-ovate, acuminate at each end, une- 

 qually serrate, somewhat glabrous ; stem 

 solid, smooth. 6-7 f. 



cfslesti' num, (Au. IX) leaves petioled, 

 heart ovate, obtusish, 3-nerved, obtusely 

 serrate, slightly scabrous ; involucre many- 

 leaved; many-flowered, receptacle conic. 

 2-3 f. 



aromaficum, (w. Au. 14..) leaves pe- 

 tioled, cordate-ovate, acute, 3-nerved, ob- 

 tusely serrate, somewhat scabrous ; flov/ers 

 corymbed ; scales of the involucres sub- 

 equal. 2 f. 



ageratoi'dcs, (w. Au. 24^.) leaves petioled, 

 ovate-acuminate, 3-nerved, unequally and 

 coarsely-toothed, serrate, glabrous ; corymb 

 many-flowered, spreading; involucre sim- 

 ple. 2-4 f 



fcenicnla'ceum, (y-w. S. 2/.) stem pani- 

 cled ; leaves glabrous; lower ones pinnate, 

 upper ones clustered; all filiform. 3-l,0f S. 



cnneifu'lium, (E. w.) leaves petioled, 

 obovate lanceolate, slightly sen-ate at the 

 summit ; 3-nerved, pubescent on both sides. 

 1 f. S. 



pinnati'fidam, ',w. S. If.) leaves pinnati 

 fid; lower ones vertiiillate; upper ones al- 



