DAHLIA—DIANTHUS. 
93 
DAHLIA. 17—2. ( Corymbiferce .) [From Dahl, a Swedish botanist, and pupil of Linnceus.] 
super"jlua , root tuberous, leaves broad-lanceolate, serrate; 4-6 feet high. Va¬ 
rieties are numerous, exhibiting splendid and brilliant colours. Blossoms 
in autumn. A native of Mexico. 
DALE A. 16—10. ( Leguminosce .) [In honour of Dr. Dale, who wrote on medicine about the 
year 1700.] 
aure'a , (y. %) erect; spikes dense, cylindric; bracts as large as the calyx; 
calyx villose; leafets obovate, pilose beneath. 
laxifio'ra , has white flowers upon panicled spikes. 
alopecuro'ides , has blue flowers upon crowded spikes. 
formo'sa , is a woody, branching plant, w r ith purple flowers. 
DALIBARDA. 11—13. {Rosacece.) [In honour of M. Dalibard.] 
fra gar o'ides, (dry strawberry, y. M. Tj.) leaves ternate; leafets wedge-lorm, 
gash-serrate, ciliate; peduncles many-flowered ; tube g£, the calyx obconie. 
5-8 i. 
refens, stem creeping ; leaves simple, cordate, crenate; stipules linear, se¬ 
taceous; peduncles I-flowered; calyx reflexed, smooth without. Moun¬ 
tains. Flowers white, on long peduncles. 
DAPHNE. 8—1. ( Tliymelecb .) [From the nymph Daphne.] 
meze'reum , (mezereon, M. To.) flowers sessile, cauline, in threes; leaves lan¬ 
ceolate. 
odo'ra, (sweet mezereon, w. Ap. Tq.) flowers small, in terminal heads ; leaves 
scattered, lance-oblong, glabrous. 
~~ » 
DATIStA. 20—12. ( Urticece .) 
hir"ta , (false hemp, y. 01.) stem hirsute; leaves pinnate; leafets running to¬ 
gether at the base. Flowers small, panicled. 
DATURA. 5—1. > (Solanece.) 
stramo'nium , (thorn apple, w-p. Au. jp.) pericarps spinose, erect, ovate; 
leaves ovate, glabrous, angular-dentate. 
arbo'rea , (great Peruvian datura, w. Oct.) flowers pentangular, about one 
foot in length, fragrant. Ex. 
DAUCUS. 5—2. ( Umbellifera .) 
caro'ta , (carrot, w. J. $.) seeds hispid ; petioles nerved underside; divisions 
of the leafets narrow-linear, acute. 2-3 f. 
DECODON. 11—1. ( Salicarice .) 
rti- 
verticilla'turn, (swamp willow-herb, p. Aug. 7]..) leaves opposite, alternate, 
sometimes in threes, lanceolate, petiolated; flowers axillary, whorled, pe¬ 
tals undulate ; stem erect, pubescent. 2-3 f. Swamps. 
DECUMARIA. 11—1. ( Myrti .) 
barba'ra , (w. Ju.) leaves ovate-oblong, acute at each end, slightly serrate. 
DELPHINIUM. 12—2. ( Ranunculacece .) [From delphinos , the dolphin, from the resem¬ 
blance of the flower to.a dolphin’s head.] 
consol''idum, (larkspur, p Ju. <i>.) nectaries 1-leafed; stem sub-divided. Ex. 
ela'tum , (bee-larkspur, Of.) 6 f. A native of Siberia. 
aja'cis , (rocket larkspur, b. Au. |vp) nectary I-leafed, stem simple. 1 f. Ex. 
DENT ARIA. 14—2. {Crucifer ce.) [Either from dens, a tooth, because its root is dentate; or 
from its supposed virtue in curing the toothache.] 
diphyVla , (tooth root, y. M. 0J.) stem 2-leaved ; leafets ternate, sub-ovate, 
unequally and incisely dentate; root toothed. G-8 i. 
DIANTHUS. 10—2. {Caryophyliece.) [From dios, Jove, and anthos, flower, from its superior 
elegance and fragrance.] 
arme'ria, (pink, r. Ju. <v).) flowers aggregate, fascicled; scales of the calyx 
lanceolate, villose, equalling the tube. 1 f. 
barba'tus, (sweet-william, r. and w. Ju. Tq.) flowers fascicled; scales of the 
calyx ovate-subulate, equalling the tube ; leaves lanceolate. Ex. 
caryophyl/'lus, (carnation or pink, and w. Tq.) flowers solitary; scales of the 
calyx sub-rhomboid, very short; petals crenate, beardless; leaves linear- 
