D I S 



D O D 



Tt belongs to the class at.d order Ctandriu 

 Moiiogynia, and ranks in the nalurai order 

 of l-eprecnl(P. 



The characters are : that there is no calvx : the 

 corolla one-pcUlltd, club-shaped; tube bellying 

 above: border obscure, %\iih unequal margin: 

 the stamina consist of eight capillary tilamcnts, 

 inserted into the middle of the tube, longer than 

 the corolla: anthers roundish, upright : the pis- 

 tillum is an ovate germ, with oblique tip : style 

 liliform, longer than the stamens, crooked at the 

 tip : sti-jma simple : the pericarpium is a one- 

 celled berry : tlie seed single. 



The species is D. palustris. Marsh Leather- 

 wood. 



It rises to the height of five or six feet in its 

 native situation, but hi Europe rarely more than 

 half so high : it sends out many jointed branches 

 near the root : the leaves are oval, p:de yellosvish, 

 and smooth : the flowers come out from the side 

 of the branches, two or three upon each peduncle ; 

 are of a greenish white colour, and appear early 

 in the spring, when the leaves begin to shoot. 

 It is a native of North America ; Howering in 

 March and the following montli. 



Culture. — This sort of plants is raised with 

 difficulty in this climate, as they do not produce 

 eeeds, and can only be well effected by layers or 

 i;uttiu<;s of the young branches. 



When the seeds can be procured from their 

 native situation, they should be sown in the 

 ^pring in a rather moist boggy situation, where 

 the shrubs are to remain, as the plants never 

 guccced where the soil is dry. 



The layers or sittings of the young shoots 

 ohould be laid down or planted out in similar 

 circumstances, during the spring and su mmer 

 months; and v\hen they have taken full root, 

 be separated or removed, and planted in n>oist 

 ♦iiuaiions where they are to remain. 



These plnnls can seldom be preserved, except 

 in moist Logsiv places, in which they are rarely 

 injured b\ x,t Id. 



DISANDKIA, a genus containing a plant of 

 the trailing t>::iamental [lerennial kind. 



It belong, to the class and order Heptandiia 

 Monogynia, and ranks in the natural order of 

 fcdiaitaras. 



Therfiaracters ana : that the calyx-is a onc-leaf- 

 td pcrianthium, from live to eight-parted : divi- 

 sions stra'ahtish ; permanent : the corolla one- 

 j)etalled. wheclrsliapcd: tube very sliort : border 

 tive-paited : divisions ovate: the stamina con- 

 jiisi of rrom five to eight filaments, bristle-tonn, 

 froiii erect becoming patulous, shorter than the 

 corolla: anthers sagittate: the pisiillum is an 

 ovate germ : style filiform, length of the stamens: 

 6' igma simple : the pericarpium an ovate capsule, 

 1 



length of the calyx, two-celled : seeds several, 

 and ovate. 



Tlie species cultivated is D. tiros/ra/a, Trail- 

 ing Diiandra. 



It has stems from a foot to two feet in height, 

 prostrate, round, pubescent : the leaves are 

 alternate, petioled, with about thirty notches, 

 and pubescent : the peduncles axillary, usually 

 Iwi) together, but sometimes one or three, erect, 

 filiform, one-flowered, higher than the petioles: 

 the flow ers of a yellow^ colour. Martvn observes, 

 " that the foliage greatly resembles that of 

 Giound-ivy, and the branches trail on the ground 

 somtwhat in the same manner to the length of 

 several feet." It is a native of Madeira; flowering 

 most part of the summer. 



Culture. — These plants may be easilv increased 

 by planting cuitines of the vounfj shoots in pots 

 filled with rich earfh, which after they have taken 

 root nmst be removed into separate pots, and be 

 kept well watered during the hot season. They re- 

 quire the protection of the green-house during 

 the w inter, but in the summer they will bear the 

 open air. 



They produce an excellent eflect w hen placed 

 on high shelves, so that their branches may 

 hang down over the sides of the pots in a loose 

 manner. 



DITTANY. Sec Dictamnus, 

 DODAR ITA, a genus comprising a plant of 

 the hardy perennial kind. 



It belongs to the class and order Didijnamia 

 Angiospermia, and. ranks in the natural order of 

 Per<ujnat(p. 



The characters are: ihatt he calyx isa one-leaf- 

 ed perianshium, bell-form, five-toothed, with ten 

 ct>rners, tubular, nearly equal, flar, permanent: 

 the corolla onc-pctal!ed, ringent : tube cvlindric, 

 bent downwards, nuich longer than the calyx : 

 upper lip small, en)arginate, ascending : lower 

 lip spreading, ■vider, three-cleft, twice longer, 

 obtuse; middle division narrower: the s(aniina 

 consist of four filaments, ascending towards the 

 upper lip, and shorter than it : anthers small, 

 roundish, twin : ihcpistilluin is a rounJ.ish germ : 

 style subulate, length of the corolla: stigma com- 

 pressed, oblbng, ohtuje, two-cleft, the lameilas- 

 converging: the pericarpium a globose two- 

 celled capsule: the seeds numerous, very small : 

 receptacle convex, ciowine to the dissepiment. 



The species cultivated is D. orlentulh. Ori- 

 ental Dodariia. 



It has a perennial root, which creeps far undi r 

 the surface, and sends ovit new stalks at a creat 

 distance from the parent plant; these are tirm. 

 a little compressed, and grow a foot and half 

 high, putting out several side branches : the 

 leaves are lon^, ruiiroW; fteshv, opposite, of a 



