M mAPENSIA— DIPSACFS. 
subulate, cliannelied. By rich culture the stamens mostly change to pe- 
tals. Ex. 
c/dnen'^sis, (china pink, Jii. 0.) flowers solitary ; scales of the calyx subu- 
late, spreading, leafy, equalling the tube ; petals crenate ; leaves lanceo- 
late. Ex. 
pluma'rius, (pheasant-eyed pink, r. and w. T^.) flowers solitary ; scales of the 
calyx sub-ovate, very short and obtuse, awnless; corolla many-cleft, with 
the throat hairy. Ex. 
carolin"ia'nus, flowers aggregate j peduncles long ; scales smaller than the 
tube. S. 
deltoi'des, (London-pride,) flowers small, panicled. 9 i. 
PIAPENSIA. 5—1. (ConvolvuU.) 
la'ppon"ica, (w. Ju. %..) cespitose ; spatulate,, glabrous ; flowers peduncled \ 
ajithers simple, stem, short;, leaves crowded, fleshy, evergreen, emire. Moun- 
tains. 
DICHONDRA. 5—2. (ConvolvuH.) [From dis, two, chondros, seed.] 
carolin''ien"sis^ (p. J. Tj.) pubescent ; leaves reniforra-emarginate;- calyx vil- 
lose, ciliate, creeping. )S. 
rUCLYTRA. 16—6. {Pajmv'raceai.) 
fornio'm^ (M. T7.) scape naked ; raceme many-flowered, nodding; segments 
of the leaves oblong, pinnatifid ; spurs slightly curved, obtuse ; stigmas Sp- 
angled ; root bulbous; flowers rose-coloured. Hills. 
cxim"ia, (p-r. M. 17.) scape naked, simple, few-flowered; leaves bipinnate; 
segments linear, glaucous beneath ; spurs 2, short, obtuse, stigma-angled',, 
which distinguishes it from the preceding species. Scape 6-8 i. Root 
tuberous rather than bulbous. 
FIEIl VILLA. 5—1. iCaprifolica.) [From M. Dierville, who first brought it from Arcadia.]- 
ku'nu'lis, (bush honeysuckle, y. Ju. ^.y peduncles axillary and terminal, di 
chotomous, 3-flowered ; leaves ovate, serrate, acuminate. 2-3 f. 
DIGITALIS. 13—2. (Scrophularia.) [From digitus, a. finger.] 
pnrpu'rca, (foxglove, p. Ju. (^.) leafets of the calyx ovate, acute; corolla ob 
tuse ; upper lip entire ; leaves lance-ovate, rugose. Ex. 
DIODIA. 4— t. (RTibiace&O [From diodos, the way-srd'e.J 
virgini'ca^ smooth; stem procumbent; leaves lanceolate, opposite, acute, 
scabrous on the margin ; fruit crowned by the 2-lobed calyx ; stem smooth, 
slender, and purple ;. flowers white, solitary. (1[-Sept.) 
DIONjEA. 10—1. (Jly.pericea,.') [From /><owe, one of the names of Venus.] 
muscip"ula, (Venus' fly-trap, w. radical leaves, with terminal, ciliate ap- 
pendages, somewhat resembling a rat-trap ; this is suddenly closed, on being 
irritated. 
DIOSCOREA. 20—6. (Asparagi.y [From Dioscorides.] 
villo'sa, (May, %) leaves alternate, opposite, verticillate, cordate, acuminate, 
pubescent beneath, 3-nerved. Woods. Stem climbing. 12 feet high. 
Flowers small, in panicles. The yam-root of the Indies is obtained from 
a species of this plant. 
DIOSPYROS. 20—8. (Rhododendra.y 
virgin"iana, (persimmon, g-y. May, T^.) leaves ovate, alternate, oblong, acu- 
minate, reticulately veined, nearly smooth; petioles pubescent; flowers 
solitary, axillary ; fruit as large as a common plum, golden yellow. S. 
PIPIIYLLIA. 6—1. (Berf)eride».) [From dis, dou-ble, phuUon, leaf.] 
cymo'sa, (w. J. %.) very glabrous; leaves sub-palmate, angularly lobed, ser- 
rate; cyme many-flowered. S. 
PIPPACUS. 4—1. (THpsacecn.) 
sylves"tris, (wild teasel, w-b. Ju. leaves rarely connate, opposite ; scales 
" of the receptacle straight ; involucrum curved upward. 3-4 f. S. 
fnlWnum, (teasel^ w. Ju. (^.y leaves sessile, serrate ; chaff hooked. 3-6 £ 
