PROSERPINACA— PSYCHOTRIA. 



149 



pairs, pedancled, 6cleft; etaminate ones 

 aggres:ate, triandrous. S. 



coria'ccovs, (M. ^.) leaves perennial, 

 broad oval, acute, serrate near the apex, 

 lucid above, minute-punctate beneath ; pis- 

 tillate flowers solitary, generally 8-parted; 

 Btamiuate ones aggregate-octandrous. Var. 

 latifo'Ua, leaves lance-obovate, acuminate. 

 Var. ans[nstifo'lia,\e'j,\es lanceolate, acute. 

 5-6 f. S. 

 PROSERPINA'CA. 3—3. (Hydrocharides.) 



[From Proserpina, fabled as queen of the 



lower regions.] 



palus'^tris, (mermaid-weed, Au. 0.) up- 

 oer leaves lance-linear, serrate ; lower ones 

 often pinnatifid; fruit angular, acute, stem 

 procumbent. Wet places. 



pcctina'ta, distinguished from the former, 

 by having the leaves all finely pectinate, 

 and the fruit with rather obtuse angles. 

 PRUSO'PIS. 10—1. {Leguminosa:.) [From Pro- 



soporiy face, from tlie appearance of the fru- 



cificalion.] 



glfindulo's/7, ( Tp .) spii.js thick, cylindric- 

 conic ; leaves conjugate-pinnate, or pinnate 

 in one pair ; leafets distant, G-7 pairs, lin- 

 ear, sub-falcate, obtuse, glabrous, sub-cori- 

 aceous ; petiole between the leaves and 

 leafets glandular; legumes straight ; spikes 

 ^ylindric. 

 PRUNEL"LA.. 13—1. (Labiata.) [From 



pruna, a burn, because it heals burns.] 



vnlga'riii, _var. fennsylva'nica, (heal-all, 

 self-heal, J. 2^.) leaves petioled, oblong- 

 ovate, toothed at the base ; lips of the ca- 

 lyx unequal; upper one truncate, awned ; 

 stem a.scending. 6-12 i. 

 PRU'NUS. 11—1. (RosaceoE.) iVrunus, the 



Latin name for plum.] 



A. Floicers in racemes. 



virginia'na, (wild-cherry, rum-cherry, 

 cabinet cherry, w. M. Tp .) racemes erect, 

 elongated ; leaves oval oblong, acuminate, 

 unequally serrate, glabrous both sides; 

 petioles generally bearing 4 glands. In 

 open fields, the limbs of this tree spread 

 out into an elegant oval top ; but in dense 

 forests, it grows to a very great height, 

 with a few contracted branches. 



america' tin, (yellow or meadow phim, 

 w. m. Ip.) leaves oblong-oval, acuminate, 

 sharply serrate, veined ; pedicels smooth ; 

 stipules mostly 3-parted; drupe oval or 

 Bub-globose, reddish yellow, with a coria- 

 ceous skin. Banks of streams ; meadows. 



manti'ma, (w. M. Tp.) peduncles sub- 

 solitary; leaves ovate-oblong, acuminate, 

 doubly serrate. 



seroli'na, (choke-cherry, w. J. ^ .) flow- 

 erg in lax racemes ; leaves oval, short-acu- 

 minate, opake, doubly and acutely serrate ; 

 midrib bearded on each side towards the 

 ba.se ; petiole with 2 glands. 



cnnaden"sis, (w. ^.) flowers in racemes ; 

 leaves glandlcss, broad-lanceolate, rugose, 

 sharply serrate, pubescent both sides, ta- 

 pering into the petiole. 



spino'sa, (English sloe, Tp.) peduncles 

 •jolitary ; leaves lance-oval, pubescent be- 

 neath ; fruit straight; branches thorny. 

 Ex. 



1 



cera'sus, (garden cherry, w. r h.) ambel 

 sub-peduncled; leaves lance-ovate, glab- 

 rous, conduplicate. Ex. 



dome.'<"(ic.a, (plum, w. M. ^ .) peduncles 

 sub-solitary; leaves lance-ovate, convolute; 

 branches thornlcss. Ya.T. juIia'no,{dii.msoa 

 plum,) fruit oblong, blue. Var. cltnuJ/a'na^ 

 (sweet plum, honse-plum,) fruit round, at 

 first green, becoming yellowish. Var. en7i. 

 clra' ia,{iiionc\ess plum,) the putamcn obso- 

 lete. Ex. 



ca7i"dicans, has long clusters of white 

 flowers, leaves woolly. Very ornamental 

 Ex. 



cacomiV'la, a native of Italy. 



divarica'ta, has white flowers and yellow 

 fruit. Ex. 



PSORA'LEA. 10—10. {Lc gummosa.) [From 



psoralens, scabby ; the plant being more or 



less glandular, wliich gives it a scurfy ap- 

 pearance.] 



escxilen"ta, (bread-root, b. J. 2^.) villo.se, 

 leaves quinatedigitate ; leafets lanceolate, 

 unequal, flat, entire; spikes a.xillary, dense- 

 flowered; divi-sions of the calyx lanceolate, 

 scarcely as long as the corolla ; legume en- 

 siform, beaked ; root fusiform. The root is 

 used for food by the Indians. 



canes" cenfi, (y. J. 2-f.) hoary; leaves tri- 

 foliate, short-petioled, broad-lanceolate ; 

 spikes lax-flowered; flowers pedicefled ; 

 calyx hairy, not as long as the corolla. S. 



temiifo'lia, (b. S. 2X-) pubescent, branch- 

 ing; leaves trifoliate; leafets oval, rugose» 

 punctate on both sides; peduncles axillary, 

 about 3 flowered, longer than the leaves. 

 2f. S. 



hipineVla, (p. J.) stem sparingly branch- 

 ed ; leaves digitate, long-petioled ; leafets 

 liliform ; racemes many-flowered, longer 

 than the leaves ; legumes rugose. 2 f. S. 



longifo'lia, {2X) "wholly silky-villose ; 

 leaves trifoliate ; leafets long-linear ; spikes 

 axillary, peduncled, lax-flowered, shorter 

 than the leaves ; teeth of the calyx and 

 bracts subulate. *S. 



onobry'chis, stem smooth; leaves trifo- 

 liate ; leafets lance-ovate, sub-pubescent ; 

 racemes axillary, long-peduncled ; flowers 

 1 -sided; legume eub-ovate, muricate, 

 smooth. 3-5 f. S. 



virga'ta, (b. 2^.) stem virgate, sub-pubes- 

 cent ; radical leaves oblong, ovate ; cauline 

 ones very i^rrow, glabrous ; spikes axilla- 

 ry, shorter tnan the leaves. 2 f. S. 



yncIUotoi'dcs, (p. J.) sub-pubescent ; leaves 

 trifoliate ; leafets lance-oblong ; spikes ob- 

 long; bracts broad-cordate, long-acumin- 

 ate ; pods round, nerved, very rugose. 1-2 

 f. S. 



eglandnlo'sa, (p. J. H.) pubescent, with- 

 out glands; leaves trifoliate, oblong-lance- 

 olate ; spikes oblong ; bracts broad, lance- 

 olate, long-acuminate, and with the calyx 

 villose. iS. 



mnlliju'ga. (p. J) stem branching ; leaves 

 pinnate ; leafets numerous (9-10 pairs) 

 lance-oblong, obtu.se. pubescent; spikes 

 oblong ; bracts small, membranaceous, 

 glandless. 1-2 f. -S. 



I PSYCIIO'TRlA 5-1. (Rubiace<e.) [From 

 9* 



