324 
THE DICTIONARY 
OF GARDENING, 
Dioscorea—continued. 
D. crinita (hairy). /. white; racemes very numerous, pendulous, 
solitary or several in the axils, 2in. to 34in. long, forming a 
panicle at the ends of the branches. September. J. long- 
etiolate; leaflets five, 2in. to 3in. long, petiolulate, elliptic- 
anceolate or oblanceolate, obtuse, acute or acuminate, with 
a long, bristly mucro. Natal, iee4. A slender, graceful, 
pubescent climber, forming an elegant pot plant when trained 
on a balloon trellis. (B. M. 6804.) 
D. hybrida (hybrid). /. greenish-yellow, in numerous axillary 
clusters. 7. sub-cordate, attenuated. Tuber large, flat. 1883. 
This half-hardy twiner is supposed to be a hybrid between 
D. Batatas and Tamus communis. (R. H. 1882, p. 379.) 
D. pyrenaica (Pyrenean). jl. solitary, rather remote, shortly 
pedicellate; perianth turbinate-campanulate, with oblong seg- 
ments; male racemes axillary, twin or ternate, simple or rarely 
somewhat branched. July and August. /. sparse, deeply cor- 
date-ovate, acute, mucronate. Stems one to four, slender, 
flexuous, branched. Underground caudex tuberous, about the 
size of a nut. hk. about 3in. Pyrenees. Plant herbaceous, 
glabrous. : 
The following garden forms may be mentioned : egregia, leaves 
blotched with green in several shades; Iargesii, a hardy kind, 
with edible tubers; prismatica, leaves of a satin-like purplish- 
green, silvery-ribbed ; and racemosa. 
DIOSMA. To the information given on p. 479, Vol. L., 
the following should be added: Several plants formerly 
included hereunder are now referred to —Adenandra, 
Agathosma, Barosma, and Microstylis. 
D. ericifolia (Heath-leaved). A synonym of D. vulgaris rubra. 
D. rubra (red). A form of D. vulgaris. 
D. vulgaris longifolia (long-leaved). 
D. evicoides (B. M. 2332). 
D. v. rubra (red). jl. reddish. 7. more rigid than in the type, 
erect. 1752. Syns. D. ericifolia (A. B. R. 541), D. rubra 
(B. R. 563). 
D. Wendlandi (Wendland’s). A synonym of Agathosma villosa. 
DIOSMEZ. A tribe of Rutacez (which see). 
DIOSPYROS. To the species described on p. 479, 
Vol. I., the following species and varieties should be 
added : 
D. amplexicaulis (stem-clasping). Asynonym of D. leucomelas. 
D. Aurantium (orange). A variety of D. Kaki. 
D. Berti (Sert’s). A variety of D. Kaki. 
D. coronaria (crowned). _/l., calyx spreading or slightly reflexed 
in fruit. jr. orange-red, sub-globose, lin. in diameter. J/. large, 
coriaceous. Japan, 1885. Asmall, hardy tree. 
D. costata (ribbed). A variety of D. Kaki. 
D. elliptica (elliptic). A variety of D. Kaki. 
D. Kaki Aurantium (orange). /r. light orange-yellow, apple- 
shaped, depressed; calyx very large, with large, rhomboidal, 
jagged segments. (R. H. 1887, p. 349, f. 2.) 
D. K. Berti (Bert's). fr. beautiful reddish-orange-yellow, 
depressed apple-shaped, large, smooth ; basilar cavity broad and 
deep; summit umbilicate, with a narrow cavity. (R. H. 1887, 
p. 349, f. 3.) 
D. K. elliptica (elliptic). fr. beautiful, shining orange-yellow, 
regularly elliptical, very smooth ; basilar cavity vey. small ; 
apical mucro scarcely visible. (R. H. 1887, p. 349, f. 4.) 
D. leucomelas (white and black). jl. orange-red, one to three 
from the nodes, surrounded by several dry, persistent bracts ; 
stamens thirty to forty. jr. globose, shining, ljin. broad. 
1. nearly sessile, oblong, obtuse, 4i :. to 6in. long, cordate at base, 
rigidly coriaceous. Maucitius, 1851. A stove shrub or small tree. 
Syn. D. amplexicaulis (P. F. G. ii., p. 11, f. 139). 
D. lobata (lobed). A synonym of D. Kaki. 
D. Mazeli is a variety of D. Kaki. 
D. Sahuti gallica (Sahut’s French). fr. reddish-yellow and 
golden, covered with a silvery bloom, apple shaped: acuminate at 
summit; surface smooth and rounded; basilar cavity almost 
absent ; umbilical cavity absent and eae by a slight, charac- 
teristic, angular elevation. (R. H. 1887, p. 349, f. 5.) 
D. Wiseneri (Wisener’s). ., calyx lobes having a short, central 
lobe. fr. egg-shaped, obscurely ribbed. J. elongate-ovate, 
shortly attenuated, and rounded at apex. Japan, 1887. Hardy. 
Probably a variety of D. Kaki. 
DIOTIS. Otanthus is synonymous with this genus. 
DIPCADI. The species, which now number about 
twenty-seven, are tuberous, scapigerous herbs. To those 
deseribed on p. 480, Vol. I., the following should be added : 
D. tacazzeanum (Tacazze River). /. green, drooping, sin. long ; 
raceme laxly six- to twelve-flowered ; peduncle slender, 6in. to 
Yin. long. 7. two or three, linear, flat, 3in. to 4in, long. Nile 
ttn, 1892. Syn. Uropetalum tacazzeanum (R. G. 1892, p. 611, 
The correct name of 
DIPERA. A synonym of Disperis (which see). 
DIPETALOUS. Having two petals. 
DIPHYES. A synonym of Bulbophyllum (which 
see). 
DIPIDAX. Syn. Melanthiwm. Orv. Liliacer. A small 
genus (two species) of greenhouse perennials, with small, 
spicate, snub-sessile flowers, a few clustered leaves, and 
erect, simple stems, confined to Sonth Africa. Both of them 
—D, ciliata and D. triquetra—have been introduced, but 
they are not of much horticaltural valne. 
DIPLADENIA. About two dozen species, all natives 
of tropical America, are included in this genus. Calyx five- 
parted, the segments lanceolate ; corolla fannel- or almost 
salver-shaped, with five spreading, twisted lobes. To the 
species described on pp. 480-1, Vol. I., the following should 
be added : 
D. acuminata (taper-pointed). 1. of a fine, deep rose-colour, 
streaked with deeper red at the throat, 4in. across ; raceme sub- 
paniculate, many-flowered. July. 7. opposite, shortly petiolate, 
ovate or elliptic, shortly acuminate. Brazil, 1854. A glabrous 
climber. (B. M. 4828.) 
D. atropurpurea (dark purple). 1. deep velvety maroon, with 
a tube 2in. long; peninnie es two-flowered, axillary, rather longer 
than the leaves. July. /. ovate, acute, about 2in. long ; petioles* 
4in. long. Brazil, 1814 and 1890. Plant glabrous. (FP. d. S. 29.) 
Syn. Echites atropurpurea (B. R. 1843, t. 27). 
D. a. Clarkei (Clarke’s). jl. of an intense crimson, shaded with 
velvety black, 24in. across ; tube paler than the rest, veined with 
crimson, /, rather Small. 1892. 
D. eximia (choice). jl. of a rich rose-red, 24in. across, disposed 
in cymose racemes. J. elliptical or orbicular, nearly 2in. long. 
Brazil (?), 1883. 
D. flava (yellow), A synonym of Urechites suberecta. 
D. illustris glabra (remarkable, smooth).* 1. rosy-red, 3in. to 
34in. across, four to eight in a terminal raceme ; lobes orbicular- 
ovate, obtuse ; filaments very short. July. 2. exstipulate, shortly 
petiolate, oblong or rounded, obtuse or sub-acute at apex, 
rounded or sub-cordate at base. Brazil, 1891. A handsome, 
glabrous climber. (B. M. 7156.) 
D. profusa (profuse). A variety of D. splendens. 
D. Sanderi (Sander’s). . rose-coloured, 3in. long and broad. 
1. thick, oblong, acuminate, 2in. long ; petioles in. long. Brazil, 
1896. Allied to D. eximia. 
D. speciosa (showy). This is said to be a garden hybrid, of 
which D. Brearleyana is one of the parents. 1897. 
D. urophylla (tail-leaved). #. salmon-yellow, four to six in a 
loose, nodding raceme; calyx segments subulate; corolla-tube 
narrowed at base, then almost campanulate, the lobes of the limb 
rounded and spreading. J. oblong-ovate, narrowed to a long 
point ; petioles rather long. h. 3ft. Brazil, 1847. Plant highly 
glabrous. (B. M. 4414; F.d.S. v., t. 425; P. M. B. xvi., p. 66.) 
DIPLARRHENA (from diploos, double, and arrhen, 
male ; in allusion to the two perfect stamens). Orv. Iridex. 
A monotypic genus. The species is a greenhouse plant, with 
a short rhizome, closely allied to Libertia (which see for 
culture). 
D. Morzea (Morea). _/l. whitish, rather fugitive ; outer segments 
with a reflexed blade and a cuneate claw ; inner ones one-third 
shorter, much narrower, connivent; cluster terminal, solitary, 
with several reduced, sheathing leaves. J. six to eight in a tuft, 
ene enee linear, lft. to 14ft. long, din. to sin. broad. Australia, 
1873. 
DIPLAZIUM. D. decwrrens is a synonym of Aspleniwm 
maximum, and D. wmbrosum is identical with A. radicans. 
DIPLECOSIA. A synonym of Diplycosia (which 
see). 
DIPLECTHRUM. A synonym of Satyrium (which 
see). 
DIPLOCALYX. A synonym of Mitraria (which 
see). 
i pa eae A synonym of Heterotheca (which 
see). 
DIPLOCYATHA (from diploos, double, and kyathos, a 
cup; in allusion to the shape of the flowers). Orb. Ascle- 
piadee. A monotypic genus. The species, D. ciliata (Syn. 
Stapelia ciliata), is a greenhouse plant, native of South 
Africa; it is remarkable on account of the large, tubular 
process arising from near the bottom of the corolla-tube, but 
is probably no longer in cultivation. 
DIPLODIA. See Spheropsidee. 
