DAHLIA-DIANTHUS. 93 



OAIILIA, 17—2. {Corymbiferm.) [From DaW, a Swedish botanist, and pupil of LinrifptiB,] 

 super"flua, 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. 



DALEA. 16—10. (LeguminoscB.) [In honour of Dr. Dale, who wrote on medicine about tha 

 year 1700.] 

 aure'a, (y. 11-.) erect; spikes dense, cylindric; bracts as large as the calyx; 



calyx villose ; leafets obovate, pilose beneath. 

 laxijlo'ra, has white flowers upon panicled spikes. 

 alopecuro'ides, has blue flowers upon crowded spikes. 

 formo'sa, is a woody, branching plant, with purple flowers. 



DALIBARDA. 11—13. (Rosacem.) [In honour of M. Dalibard.] 

 fragaroHdes, (dry strawberry, y. M. 1]-.) leaves ternate; leafets wedge-form, 

 gash-serrate, ciliate ; peduncles many-flowered ; tube of the calyx obconic. 

 5-8 1. 

 re'pens, stem creeping ; leaves simple, cordate, crenate ; stipules linear, se- 

 taceous; peduncles 1-flowered; calyx reflexed, smooth without. Moun- 

 tains. Flowers white, on long peduncles. 



DAPHNE. 8—1. (ThymelecB.) [From the nymph Daphne.] 



mcze'reum, (mezereon, M. T7.) flowers sessile, cauline, in thiees; leaves lan- 

 ceolate. 



odo'ra, (sweet mezereon, w. Ap. T2.) flowers small, in terminal heads ; leaves 

 scattered, lance-oblong, glabrous. 



DATISCA. 20—12. {Urticem.) 

 hir"ta, (false hemp, y. %.) stem hirsute ; leaves pinnate ; leafets running to- 

 gether at the base. Flowers small, panicled. 



DATURA. 5—1. {SdanEO..) 

 stramo'nium, (thorn apple, w-p. Au. ©.) pericarps spinose, erect, ovale; 



leaves ovate, glabrous, angular-dentate. 

 arbo'rea, (great Peruvian datura, w. Oct.) flowers pentangular, about one 

 foot in length, fragrant. Ex. 



DAUCUS. 5—2. iUmbelliferm.) 

 caro'ta, (carrot, w. J. ,^.) seeds hispid ; petioles nerved underside ; divisions 

 of the leafets narrow-linelr, acute. 2-3 f, 



DECODON. 11—1. {Salicarix.) 

 vcrticUla'tuvi, (swamp willow-herb, p. Aug. %) leaves opposite, alternate, 

 sometimes in threes, lanceolate, petiolated; flowers axillary, whorled, pe- 

 tals undulate j stem erect, pubescent. 2-3 f Swamps. 

 DECURIARIA. 11-1. (iMyrft.) 

 barba'ra, (w. Ju.) leaves ovate-oblong, acute at each end, slightly serrate. 



DELPHINIUM. 12 — 2. {Ranunculacem.) [From delphinos, the dolphin, from the resem- 

 blance of the flower to a dolphin's head.] 

 consoV'idum, (larkspur, p. Ju. ©.) nectaries 1-leafed; stem sub-divided. Ex. 

 tla'tum, (bee-larkspur, %.) 6 f . A native of Siberia. 

 aja'cis, (rocket larkspur, b. Au. ©•) nectary 1-leafed, stem simple. 1 f. Ex. 



DENT ARIA. 14—2. (Crucifer<E.) [Either from deras, a tooth, because its root is dentate; or 

 from its supposed virtue in curing the toothache.] 

 diphyV'la, (tooth-root, y. M. %.) stem 2-leaved ; leafets ternate, sub-ovate, 

 unequally and incisely dentate ; root toothed. 6-8 i. 



DIANTHUS. 10—2. (Caryopliylleiz.) [From eKos, Jove, and onZAos, flower, from its superior 

 elegance and fragrance.] 

 arme'ria, (pink, r. Ju. @.) flowers aggregate, fascicled j scales of the calyx 



lanceolate, villose, equalling the lube. 1 f 

 barba'tus, (sweet-william, r. and w. Ju. Vi) flowers fascicled; scales of the 



calyx ovate-subulate, equalling the lube ; leaves lanceolate. Ex. 

 canjophyV'his, (carnation or pink, and w. T^-) flowers solitary; scales of the 

 calyx sub-rhomboid; very short ; petals crenate, beardless ; leaves linear- 



