——————— err rh mh eeeerrerrlerererlc_eoeerrhl eee lll ll eae ~~ 
1900 SUPPLEMENT—RECENT INTRODUCTIONS, &c. 327 
DISCHIDIA. Syns. Collyris, Conchophyllum, Lepto- 
stemma. Leaves sometimes forming into pitchers. To the 
species described on p. 484, Vol. I., the following should be 
added : 
D. hirsuta (hairy). jl. blood-red; corolla 4in. long, the throat 
having two rows of hairs. J. jin. to lin. long, sessile, broadly 
ovate, acute, fleshy, the two or three pairs of nerves very 
rominent above. India and Java, 1896. Piant slender, papil- 
ose, and more or less pubescent. 
D. Rafflesiana (Rafiles’). l. yellowish, fleshy, din. long. 7. very 
similar to those of D. hirsuta, but not papillose, changing into 
oblong pitchers 2in. to 5in. long, obtuse, fleshy, the cavity being 
filled with rootlets from the adjoining node. Stem stout. 
Malay Archipelago, &c. (F. d. S. 1592-3; T. L. S. xx., 396, 
t. 17-18.) 
DISCOCAPNOS. Included under Fumaria (which 
see). 
DISCOLOR. Of more than one colour; variegated. 
DISELMA. A synonym of Fitzroya (which see). 
DISEMMA AURANTIA. A synonym of Passi- 
flora Banksii (which see). 
DISPERIS (from dis, double, and pera, a pouch; in 
allusion to the form of the sepals). Syns. Dipera, Dryopeia. 
Orv. Orchidex. A genus including about a score species of 
stove or greenhouse, terrestrial Orchids, usually small and 
slender, natives of the East Indies, tropical and South 
Africa, and the Mascarene Islands. Flowers solitary or 
racemose; dorsal sepal erect, galeate or calcarate, the 
lateral ones spreading or oblique, free or more or less 
united ; petals united to the dorsal sepal, faleately curved, 
usually constricted in the middle and obliquely acute or 
lobed at apex; lip adnate to the face of the column, long- 
clawed above it, variously curved within the galea ; column 
erect, very stout. Leaves one or few, alternate, or limited 
to a single opposite pair. Tubers ovoid. For culture of 
D. Fanniniz, which is probably the only species now grown 
in this country, see Disa. 
D. Fanniniz (Mrs. G. Fannin’s). fl. pure white with a purple 
tinge and having raised, purple dots on the petals, one to four in 
a leafy spike ; bracts like the leaves, but smaller. J. 2in. to 2sin. 
long, cordate-amplexicaul, tapering to an acute point. Stem 5in. 
ee high, weak, bearing three or four leaves. South Africa, 
DISPHENIA. Sce Cyathea. 
DISPORUM. Syn. Drapieza. To the species described 
on pp. 484-5, Vol. I., the following should be added : 
D. Hookerii is regarded by J. G, Baker as a form of 
D, lanuginosum, 
D. Leschenaultianum (Leschenault’s). jl. white, sin. to fin. 
in diameter, sub-campanulate, two to five together in the upper- 
most axils ; segments oblong or linear-oblong. Spring. /. rather 
rigid, lin. to 4in. long, lin. to 2in. broad, narrowed to distinct 
petioles, varying from elliptic-lanceolate to almost orbicular, 
cuspidate, acute, acuminate, or almost caudate. h. lft. to 2ft. 
Mountains of South India and Ceylon. (B. M. 6935.) 
D. L. variegatum (variegated), (/. greenish-white, small. fr. 
black. 2. ovate, light green, streaked with white and grey, 
Stems slender, succulent. Southern India and Ceylon, 1897. 
DISSOCHROMA. See Dyssochroma. 
DISSOTIS (from dissoi, of two kinds: the anthers are 
of two different forms). Syn. Osbeckiastrum. Orv. Mela- 
stomacex. A genus comprising twenty-two species of stove or 
greenhouse herbs or small shrubs, usually pubescent, natives 
of tropical and South Africa. Flowers rose, purple, or 
violet, usnally large, solitary, capitate, or panicled; calyx 
lobes four or five, often bristly ; petals four or five, obovate ; 
stamens eight or ten, very unequal. Leaves ovate or 
oblong, three- to five-nerved. For culture of the two species 
introduced, see Melastoma. 
D. canescens (hoary). A synonym of D. incana. 
D. ineana (hoary). jl. rose-purple, lin. to 1sin. in diameter, in 
sub-terminal, leafy panicles, crowded, shortly pedicellate. June. 
1, 2in. to 3in. long, 4in. to }in. broad, sub-sessile, coriaceous, 
linear or linear-oblong, obtuse, entire. Stem 2ft. to 3ft. high, 
purple, four-angled. Tropical and South Africa, 1838. Stove or 
pence shrub. (G. C. 1891, ix., p. 204, f. 46.) Syns. D. canescens, 
sbeckia canescens (B. M. 3790). 
D. Irvingiana (Irving's). . reddish-purple, copious, lin. to 
1}in. in diameter, solitary, or two to five in axillary and terminal 
cymes ; petals obovate. J. 2in. to 3in. long, jin. to Zin. broad, 
linear-oblong or oblong-lanceolate, acute, three-nerved. Stem lft. 
to 3ft. high, erect, four-angled. Upper Guinea, 1859. Stove 
annual. 6B. M. 5149.) 
DISTANT. Separated by large intervening spaces. 
DISTEGANTHUS. ‘his is a monotypic genus, the 
only species being a stove herbaceons plant, requiring 
similar culture to Billbergia (which see). It is allied to 
Cryptanthus, but is readily distinguished by its lateral 
inflorescence. 
D. basilateralis (broad at base). jl. in several dense, oblong 
ae 2in. to Sin. long, produced direct from the rhizome outside 
the rosette of leaves; petals bright yellow, the oblong blade 
protruding 4in. from the calyx. J. six to ten, cordate-oblong, 
acute, 6in. to 12in. long, white-lepidote at back, deeply 
channelled ; petioles 2in. to 3in. long. Rhizome wide-creeping. 
French Guiana, 1846, (F. d. S. 227.) 
D. Moensi (Moens’). A synonym of Distiacanthus Morrenianus. 
D. scarlatinus is referred to Distiacanthus. 
DISTEACANTHUS (from distichos, two-ranked, and 
akanthos, a spine; in allusion to the spines on the 
leaves). ORD. Bromeliacee. A small genus (two species) 
of stove, herbaceous plants, natives of Colombia and 
the Amazon Valley. Flowers borne in a central head; 
sepals united in a short tube above the top of the ovary ; 
petals lingulate, much longer than the sepals, but spreading 
only at the tip; stamens much shorter than the petals. 
Leaves oblong, petiolate, spiny on the margins. For 
culture, see Billbergia. 
D. Morrenianus (Morren’s). jl. yellowish, in a dense, sessile 
head, subtended by the lanceolate, reduced inner leaves. J. lft. 
long, green or tinged with brown, about twenty in a rosette, 
with a broad, channelled petiole 6in. to 8in. long, and copious 
spreading prickles. Para, 1873. Syns. Cryptanthus Morreni- 
anus and Disteganthus Moensi. 
D. scarlatinus. The correct name of the plant described on 
p. 485, Vol. L., as Disteganthus scarlatinus. jl. in a dense head, 
overtopped by the reduced inner leaves; petals purplish-red, 
with a white margin. J. twelve to twenty in a rosette, lft. long, 
on petioles the same length; spines copious, deflexed. Syn. 
Bromelia scarlatina. 
DISTICTIS (from dis, twice, and stiktos, spotted; the 
much compressed seeds appear like two rows of spots in the 
capsule), Orb. Bignoniacex. A genus embracing seven or 
eight species of stove, climbing, often tomentose-pubescent 
shrubs, natives of tropical America, from Brazil to the West 
Indies. Flowers usually white, paniculate, thyrsoid, or 
racemose ; calyx campanulate, truncately five-lobed or five- 
toothed; corolla tube elongated, often incurved, the limb 
somewhat bilabiate, with five rounded lobes ; stamens four, 
didynamous. Leaves trifoliolate or the terminal leaflet 
changed into a tendril ; leaflets stalked, entire. D. lactiflora 
(described on p. 189, Vol. I., as Bignonia lactiflora) is the 
only species calling for mention here. For culture, see 
Bignonia. 
DISTINCT. Unconnected ; the reverse of coherent. 
DISTREPTA. A synonym of Tecophilea (which 
see). 
DITTMARIA. A synonym of Erisma (which see). 
DITULA ANGUSTIORANA. See Vine Moths. 
DIURIS. Flowers one, two, or several in a terminal 
raceme, often rather large and conspicuous from the 
antennw-like green lateral sepals, the rest of the perianth 
yellow, purple, or white, often bright yellow with deep 
purple spots or blotches, the prominent petals often very 
spreading, the shorter dorsal sepal closely embracing the 
column at base ; lip deeply three-lobed. Leayes narrow. 
DIURNAL. A term applied to flowers which are 
open during the day but close at night. 
DIURNI. See Lepidoptera. 
DIUROGLOSSUM. Asynonym of Guazuma (which 
see). 
DIVIDED. Cut down to the midrib. 
DIVISION. See Propagation. 
DIZYGOTHECA LEPTOPHYLLA. According to 
Hemsley, this is the correct name of Aralia leptophylla 
(which see). 
DODARTIA (named in hononr of F. Dodart, M.D., a 
French botanist). Orp. Scrophulariner. A monotypic 
genus. The species, D. orientalis (B. M. 2199; S. B. F. G. 
147), is an erect, branched herb, native of Central and 
Western Asia, with purplish flowers and linear, entire 
leaves. It has been introduced, but is probably not now in 
cultivation. 
