a 
1900 SUPPLEMENT—RECENT INTRODUCTIONS, &C., 
639 
Rhus—continued. 
R. cotinoides (R. Cotinus-like).* 7. minute; panicle nearly 
sessile, narrow, With erect branches. fr. smooth. — 1. simple, 
membranous, oval, obtuse, entire, acute at base, 3in. to 4in. 
long (including the petioles). Alabama. Hardy. 
R. Cotinus atropurpurea (dark purple).* A desirable 
variety on account of its richly-coloured foliage and purple 
seed-plumes. 
R. Michauxii (Michaux’). fr. bright scarlet, clothed with close, 
silky pubescence, disposed in pyramidal panicles. J. pinnate. 
Stems erect, 2ft. to 3ft. high. Southern United States, 
1895. Hardy shrub, spreading extensively by underground 
stolons. (G. & F. 1895, p. 404, f. 55.) 
R. Toxicodendron. Poison Vine. The Japanese forms are 
known in gardens under the erroneous name of Ampelopsis 
Hoggi. They are to be avoided on account of their poisonous 
nature. 
R. trichocarpa (hairy-fruited). jl. inconspicuous; panicles 
narrow. fr. pale, prickly, loosely drooping. J. long, unequally 
pinnate. h. 25ft. Japan, 1897. A slender, hardy tree. 
(G. & F. 1897, p. 384, f. 49.) 
RHYNCHANTHERA (of Blume). 
Corymbis (which see). 
A synonym of 
Fic, 650. RHYNCHOSTYLIS RETUSA. 
RHYNCHANTHUS (from rhynchos, a beak, and 
anthos, a flower ; in allusion to the peculiar shape of the 
blossoms). Orb. Scifaminew. A small genus (two species) 
of very curious, stove, tuberous-rooted herbs, remarkable 
in having very small corolla lobes, a lip reduced to a 
mere point, a most curious, petaloid filament, resembling 
a long canoe, exserted far beyond the corolla lobes, and 
terminated by an anther with no appendage, and an 
erect, fannel-shaped stigma. For culture, see Heliconia. 
R. Bluthianus (Bluth’s). /. few in a spike; segments 
carmine-red ; filament white, broad. kh. about lft. Birma (?), 
1899. A Canna-like plant. (R. G. 1899, p. 38, t. 1464.) 
R. longiflorus (long-flowered). /. 4in. long, few, erect, in a 
terminal, sub-sessile spike; bracts two, pale orange-red, 14in. 
long ; calyx tubular, with a split mouth, and a rounded, retuse 
tip; corolla pale yellowish-green, the tube 2in. long, the lobes 
4in. long; filament straw-coloured. July. 7. 6in. to 8in. long, 
Luin. broad, oblong-lanceolate, acuminate, edged brown, con- 
tracted into short petioles. Stem 14ft. high, with ten to twelve 
. leaves. Birma, 1885. (B. M. 6861.) 
RHYNCHOCARPA. A synonym of Kedrostis 
(which see). 
RHYNCHOGLOSSUM. BR. obliquwm is the correct 
name of R, zeylanicum. 
RHYNCHOSIA. R&R. caribea is the correct name 
of R. gibba. R. albo-nitens is a synonym of Desmodium 
Skinneri albo-nitens (which see). 
RHYNCHOSTYLIS. To the species described on 
p. 302, Vol. III., the following should be added: 
R. ccelestis (celestial-blue).* 1. crowded, jin. across, on white 
or pale blue pedicels; sepals white, with an indigo-blue api 
blotch ; basal half of the blade of the lip white, the apical 
half indigo-blue; column very short. J/. fleshy, din. to 6in. 
long. Stem stoutish. Siam, 1891. (L., t. 500; W. O. A. viii., 
t. 361.) Syn. Saccolabiwm celeste. 
R. garwalica (Garwhal). A synonym of S. retusa. 
R. retusa guttata (striped). 7. smaller, more crowded, and 
more densely spotted. ¢. longer, narrower, more closely set, 
sub-pendulous. SyN. Saccolabium guttatum (B. M. 4108; 
W.5. O. ii., t. 18). The type is shown at Fig. 650, 
R. r. premorsa (bitten). jl. pale, and with fewer spots; 
racemes longer. 7. shorter and broader, distinctly praemorse 
at apex. Plant more robust. 
RHYPAROBIA (PANCHLORA) MADERZ. 
See Cockroaches. 
RHYTIDOPHYLLUM. Rk. Humboldtii and R. Oer- 
stedii are synonymous with Campanea Huwmboldtii and 
C. Oerstedii respectively. 
RHYTISMA ACERINUM. See Acer—Insects 
and Diseases. 
RIBBON FERN. See Vittaria. 
RIBES. To the species described on pp. 
Vol. III., the following should be added : 
R. alpinum pumilum (dwarf). A very dwarf, yellow-flowered 
garden variety. 1881. 
R. americanum (American). The correct name of R. floridwin. 
R. aureum aurantium minus (orange, dwarf).* jl. of a 
rich yellow. A very free-flowering variety, of close, compact 
habit. 
R. bracteosum (bracteate).* /. greenish, in erect racemes 
often 6in. to 10in. long; pedicels exceeding the spathulate 
bracts. jr. black, with resinous dots. ¢. often 6im. in 
diameter, long-petiolate, cordate, deeply five- to seven-lobed, 
resinous-dotted beneath; lobes acuminate, coarsely doubly- 
s ed or incised. h. 5ft. to 8ft. Oregon, &e. A striking 
species. (B. M. 7419.) 
R. Bridgesii (Bridges’). A garden synonym of R. villosum. 
R. erythrocarpum (red-fruited). l. reddish, in erect racemes. 
Jr. brilliant scarlet, almost pear-shaped, glandular-hairy. 
7. orbicular, three- to five-lobed. Stems creeping, rooting 
hairy, with erect branches. h. 4in. to 6in. Oregon, 1897. 
(G. & F. 1897, p. 184, f. 21.) 
R. fasciculatum (fascicled). jj. four or five in shortly- 
pedunculate, erect fascicles. J. cordate at base, three- or 
obsoletely five-lobed ; lobes ovate, obtuse, deeply toothed, lin. 
long and broad, pubescent beneath, the teeth mucronulate. 
Branches somewhat flexuous, unarmed, with whitish bark. 
China and Japan. 
R. floridum. The correct name is R. americanum. 
R. fragrans (fragrant). A synonym of R. aurewm preecox. 
R. fuchsioides (Fuchsia-like), A synonym of 2. specioswm. 
R. integrifolium (entire-leaved). jl. greenish-yellow, small, 
bracteate, disposed in rather short racemes. J. oblong- 
lanceolate, serrated, acute. Chili, 1880. (R. G., t. 1047, f. 6.) 
R. japonicum. According to the “Index Kewensis,” this is 
now regarded as a distinct species, and not as a variety of 
R. alpinum. 
R. Lavallei (Lavalle’s). A garden synonym of R. villosum. 
R. Menziesii (Menzies’). jl. red or deep rose-colour, large ; 
peduncles one- or two-flowered, as long as the leaves. March 
to May. jr. densely bristly. 7. cordate, five-lobed, incised- 
serrated, veiny and rugose, pubescent-tomentose beneath. 
Stems prickly or naked. A, 2sft. to Sft. California, 1830. 
(B. R. 1847, t. 2368.) 
R. missouriense (Missouri). A synonym of R. americanum. 
R. oxyacanthoides Purpusii (Purpus's). //. greenish, small. 
Jr. blackish-red, acid, Colorado, 1899. A dwarf bush, with 
spreading or pendulous twigs. 
R. prostratum (prostrate). 
May. fr. pale red, and, a 
bristly. 2. deeply cordate 
304-6, 
jl. greenish; racemes erect, slender. 
well as the pedi glandular- 
ive- to seven-lobed, smooth; lobes 
ovate, acute, doubly s ed. Stems reclining her prickly 
nor thorny. North America, 1812. A capital rockery plant. 
R. recurvatum (recurved). A synonym of R. americanum, 
R. sanguineum albidum (whitish). /. whitish, slightly 
suffused with pink, and with a deeper shade in the centre. 
R. s. atrosanguineum (dark blood-coloured). jl. larger and 
brighter than in atrorubens. 
R. s. flore-pleno (double-flowered).* A fine variety, with 
double flowers which remain a long time in perfection. 
(P. M. B. xii., p. 121.) 
R. Spaethianum (Spaeth’s). A species resembling, and very 
nearly allied to, R. cereum. Colorado, 1899, 
