1900 SUPPLEMENT—RECENT INTRODUCTIONS, &C. 305 
Davallia—continued. 
D. rhomboidea (rhomboid). A form of D. stylosa. 
D Spelunez (cavern-loving).* sti. strong, 1ft. to 1sft. long. 
fronds pale green, soft, papery, Sft. to 6ft. long, lft. to 2ft. broad, 
somewhat triangular, three or four times pinnatifid; lower 
leaflets 6in. to 12in. long, 3in. to 4in. broad; pinnules spear- 
shaped, cut to the rachis below into oblong, deeply-toothed 
lobes. sori small, abundant, one or more at the base of each 
lobe. India, China, &c. A distinct and uncommon, easily- 
own, stove species. Syns. D. polupodioides, D. trichosticha, 
terolepia trichosticha. 
D. tenuifolia Burkei (Burke's). A handsome, delicate, and 
beautifully-cut form, with fronds hanging down 2ft. or more, and 
very suitable for basket-culture. 1895. 
D. t. stricta (erect). fronds more erect, larger, darker, and more 
coriaceous than in the type. 
D.t. Veitchiana (Dr. J. Il. Veitch’s). fronds spreading, plume- 
like, broadly ovate, quadripinnate; ultimate lobes cuneate, 
simple or bifid. China, 1883. A handsome basket Fern. See 
Big. 324, for which we are indebted to Messrs. James Veitch and 
Sons. 
Vy 
Np. 
‘if 
ip 
Fic. 325. DAVALLIA TRICHOMANOIDES. 
D. trichomanoides (Trichomanes-like).* rhiz. wide-creeping, 
covered with pale-brown scales. sti. grey, naked, 3in. to 6in. 
long. fronds 6in. to Yin, long, elongated-triangular, somewhat 
coriaceous, quadripinnatifid; pinne distinctly stalked, spear- 
shaped, the lowest and largest lin. to 2in. broad; pinnules cut 
into strap-shaped segments. sori showing a horn projecting on 
both sides. Malay Islands and Ceylon. A very pretty, stove 
species. See Fig. 325. 
D. trichosticha (having hairs disposed in rows). A synonym of 
D. Spelunce. 
D. Truffautiana (Truffaut's). This is described as “a parti- 
cularly handsome and distinct species, with large, spreading 
Vol. V. 
Davallia—continued. 
fronds, a peculiarity of which is that the under-surface is like the 
upper.” Peru, 1896. (G. M. 1896, p. 352.) 
D. vestita (clothed). j/ronds like those of D. pedata, but the 
barren ones having all their segments, except those of the lower 
pinnules, blunt and scarcely toothed; lobes of the fertile 
segments (in the teeth of which the sori are placed) narrower 
and more Sharply toothed. Ceylon and Java. Stove. 
DAVID’S HARP. See 
florum. 
DAVIESIA. To thespecies described on p, 448, Vol. I., 
the following should be added : 
D. corymbosa (corymbose). . white, red; standard din. long , 
racemes usually shorter than the leaves and flowering from above 
the middle or from the end only. July. JZ. usually lanceolate or 
linear, rarely broader and oblong, 14in. to 3in, long. h. 2ft. to 
5ft. 1804. (A. B. R. 611.) Syns. D. glauca (L. B. C. 43), 
D. mimosoides (B. M. 1957). 
D. c. mimosoides (Mimosa-like). jl. smaller; racemes flowering 
from below the middle. 7. usually narrow, with more pinnate 
seo 1809. Syns. D. linearis (L. B. C. 1615), D. virgata (B. M. 
D. genistoides (Genista-like). 
D. glauca (glaucous). 
D. linearis (linear). A synonym of D. corymbosa mimosoides. 
D. mimosoides (Mimosa-like). See D. corymbosa. 
D. ulicifolia (Ulex-leaved). A synonym of D. ulicina. 
D. ulicina (Ulex-like). (fl. yellow, solitary or clustered, rarely in 
umbels of three or four; standard broad. June. 1. broadly- 
ovate to lanceolate or linear, pungent-pointed, 4in. to lin. long. 
h. 3ft. 1792. (L. B. C. 44; P. M. B. iv. 29.) Syns. D. genis- 
toides (L. B. C. 1552), D. ulicifolia (A. B. R. 304). 
D. virgata (twiggy). A synonym of D. corymbosa mimosoides. 
DEADLY CARROT. 
DEAL, WHITE. 
DEAL, YELLOW or RED. 
vestris. 
DEATH’S HERB. See Atropa Belladonna. 
DEBRA. A synonym of Erisma (which see). 
DEBREGEASIA (derivation not stated, but pro- 
bably commemorative). Syn. Morocarpus. Orv. Urticacee. 
A small genus (five species) of stove or greenhouse shrabs 
or trees, natives of tropical and sub-tropical Asia and 
Africa. Flowers monccious or diccious, in capitate, 
sessile, panicled or spicate clusters; males having three 
to five sepals and petals; females haying a__ fleshy 
receptacle and an oyoid or obovoid perianth, succulent in 
fruit. Leaves alternate, serrated, three-nerved; stipules 
bifid. Only one species has been introduced. It requires 
ordinary greenhouse treatment. 
Polygonatum multi- 
A synonym of D, ulicina. 
A synonym of D. corymbosa. 
See Thapsia. 
See Picea excelsa. 
See Pinus syl- 
D. velutina (velvety). /., sepals four; headsin short, dichotomous 
cymes. fr. red or yellow, about the size of a pea, in shortly- 
stalked heads. J. stalked, linear- or oblong-lanceolate, acuminate, 
serrulated, rounded at base, 4in. to 7in. long, smooth or seabrid 
above, white- or ashy-tomentose beneath. A. 6ft. to 9ft. Sub- 
tropical Himalaya, &c., 1896. (R. H. 1896, p. 521, f. 118.) 
DECABELONE. This genus includes three species, 
one being a native of Angola and the others South African. 
Flowers large, solitary or twin, shortly pedicellate ; calyx 
segments five, acute ; corolla tubular-campanulate, slightly 
incurved, marbled and spotted within, broadly five-lobed ; 
corona duplex, the outer one of ten lobes, the inner of five 
scales. Stems dwarf, with six to twelve very elevated ribs. 
DECAISNEA. To the species described on p. 449, 
Vol. I., the following should be added : 
D. Fargesii (Farge’s). fl. in axillary, loosely paniculate, erect 
racemes; pedicels much shorter than the flowers. /7. azure- 
blue, pendent, cylindrical. 7. long-petiolate ; leaflets six to ten 
pairs, stalked, membranous, ovate-laaceolate, acuminate, entire, 
glaucous, slightly powdered. Su-tchuen. Plant woody, erect, 
with fragile branches. 
DECAISNEA (of Brongniart). A 
Prescottia (which see). 
DECAISNEA (of Lindley). A synonym of Tropidia 
(which see). 
synonym of 
2B 
