542 THE DICTIONARY 
OF GARDENING, 
Oxalis—continued. 
with glandular hairs. Early spring. l., leaflets three, linear, 
te, with two red glands beneath. Stem declinate, 
nak at the base. h. in. Cape of Good Hope, 1774. (B. M. 
O. violacea (violet-coloured), A. pink, erectish, with a short 
involucre; scape umbelliferous, three to nine-flowered. Spring 
to autumn. Zl., leaflets three, obcordate, smooth, reddish under- 
neath. Bulbs fusiform, black. k. 3in, North America, 1772. 
Hardy perennial. (B. M. 2215.) 
OXEYE. See Buphthalmum. 
OXEYE DAISY. See Chrysanthemum Leucan- 
themum. 
OXLIP. See Primula elatior. 
OXYANTHUS (from ons, sharp, and anthos, a 
flower; referring to the sharply-toothed calyx and 
corolla). Syn. Megacarpha. ORD. Rubiaceœ. A genus 
comprising about a dozen species of highly ornamental 
stove trees and shrubs, with terete branches, inhabiting 
tropical, sub-tropical, and South-eastern Africa. Flowers 
white or yellow, scented, elongated, disposed in short or 
long, many-flowered, axillary corymbs; calyx five-toothed ; 
corolla hypocrateri-formed, five-lobed; pedicels bracteo- 
late. Leaves opposite, shortly petiolate, often oblique at 
base, coriaceous; stipules rather large, intra-petiolar, 
oblong, obtuse or acute, deciduous. The two species 
described below thrive in a peaty soil, and should be 
grown in well-drained pots, in a light, airy position. Prac- 
tically, the conditions which are found to suit their near 
allies, the Gardenias, will also suit these. Propagated by 
cuttings, inserted under a bell glass, in bottom heat. 
O. speciosus (showy). A synonym of O. tubiflorus. 
O. tubiflorus (tube-flowered).* fl. white, 6in. long, with the limb 
Zin. across, in terminal heads. July. J. broad, Sin. long. 
Branchlets, leaves, and calyces glabrous. h. 3ft. to Aft. Sierra 
Leone, 1789. Shrub. Syns. O. speciosus (B. M. 1992), Gar- 
denia tubiflora (A. B. R. 183). (B. M. 4636.) 
O. versicolor (various-coloured). H. whitish, rose-colour, and 
corolla tube 4in. to 6in. long; segments linear, scarcely 
: r than the stamens. July. l. oval-lanceolate, acuminate, 
gia us. R. Sft. 1839. (F. d. S. ii. 148.) Stated to come from 
uba in work just quoted; it, however, must be a native of 
tropical Africa. ; 
 OXYBAPHUS (from oxybaphon, a vinegar saucer, 
or small shallow vessel; in allusion to the shape of the 
involucre). Umbrella Wort. Syns. Calymenia, Calyz- 
hymenia, Vitmania. ORD. Nyctaginee. A genus com- 
prising about a score species of greenhouse or hardy, 
annual or perennial, erect or prostrate herbs, mostly 
natives of Western America, a few being indigenous to 
the Eastern States of North America, and one Hima- 
layan. Flowers white, pink, or scarlet; involucre one to 
five-flowered; perianth campanulate or funnel-shaped. 
Fruit small. Leaves opposite, sessile or petiolate. The 
species are of no great value for horticultural purposes. 
Those described below thrive in a sandy-loam soil. Pro- 
pagated by seeds, sown in the open border in May, or 
on a mild hotbed in March; or by divisions in spring. 
O. Cervantesii (Cervantes’). f. bright pink, panicled ; peduncles 
and involucres villously viscous. Summer and autumn. 1. oppo- 
site, long-stalked, cordate, obtuse, entire, slightly pubescent ; 
- margins ciliated with short hairs. h. 1}ft. Mexico, 1823. 
-hardy perennial. (S. B. F. G. 84.) 
viscosus (clammy). /. pink, racemose. June to October. 
l. cordate-orbiculate, acute, tomentose. A. 2ft. Peru, 1793 
Hardy annual. When the seeds are ripe, the calyx turns brown, 
expands, and is suspended over them like a little umbrella. 
(B. M. 434 
OXYCARPUS. A synonym of Garcinia (which 
see). 
OXYCEROS. A synonym of Randia (which see). 
OXYCLADIUM. Included under Mirbelia (which 
see). 
OXYCOCCUS (from os, sharp, and kokkos, a berry ; 
referring to the sharp, acid taste of the berries). Cran- 
berry. Syn. Schollera. Opp. Vacciniacee. A genus 
Oxyc tinued. 
comprising only a couple of species of small, hardy 
decumbent or sub-erect, very glabrous shrubs, natives 
of Europe, North Asia, and North America. Flowers 
axillary or terminal, solitary or few, nodding or droop- 
ing; corolla pink, with four or five linear, revolute seg- 
ments. Berry globose, fleshy, many-seeded. Leaves small, 
alternate, persistent, entire. Branches filiform. Both 
these plants naturally affect swampy spots, and the first- 
named is planted nearly always with a view to the 
periodic flooding of the beds; it will, however, thrive 
in a peaty border where no great amount of moisture 
is present, but under such conditions will not, of course, 
develop so quickly. O. palustris is a neat little plant, 
worth growing in pots or pans standing in water. The 
species may be propagated by means of the long, creeping 
shoots, which frequently root; or by cuttings, inserted 
under a hand glass, and shaded until established. 
0. . rge-fruited).* American Cranberry. fl. pink, 
on erect, pro! — Panoho Spring. J. elliptic-oblong, nearly 
flat and obtuse, glaucous beneath. Stems prostrate, filiform, 
creeping. North America, 1760, This — is largely culti- 
vated in North America for the sake of its fruits, which are 
bottled or put into barrels, &c., as well as used fresh for tarts, 
&c. (B. M. 2586, under name of Vaccinium macrocarpum.) 
O. palustris (marsh-loving).* Common Cranberry. f. pink, with 
eet oblong 5 pedicels terminal, one-flowered. May. 
fr. dark red, with a strong acid taste. J. small, ovate, entire, 
acute, smooth, with revolute margins. Stems filiform, creeping. 
Northern hemisphere (Britain). (Sy. En. B. 876, under name of 
Vaccinium Oxycoccus.) 
OXYDENDRON (from ozys, sour, and dendron, a 
r in allusion to the foliage being sour to the taste). 
ORD. Ericacee. A monotypic genus. The species is a 
beautiful, hardy tree; it thrives in a moist, peaty soil, 
and is propagated from imported seeds. 
O. arboreum (iree-like).* Sorrel-tree. fl. white, in terminal 
anicles of mary racemes ; corolla ovate, five-toothed ; filaments 
airy; style thick, five-angled. June and July. . oblong- 
lanceolate, acuminated, serrulate, glabrous. Branches tapering. 
h. 15ft. to 40ft. Eastern United States, 1752. SYN. Andromeda 
arborea (under which name it is figured in B. M. 905) 
OXYGONIUM. Included under Asplenium. 
OXYLOBIUM (from ois, sharp, and lobos, a pod; 
legumes or seed-pods ending in a sharp point). Including 
Callistachys and Podolobiwm. ORD. Leguminose. A genus 
comprising about twenty-seven species of greenhouse or- 
namental shrubs, or rarely under-shrubs, confined to Aus- 
tralia. Flowers yellow, or partly or totally purple-red, 
disposed in terminal or axillary racemes; petals clawed; 
standard orbicular or reniform; wings oblong. Leaves 
opposite, whorled, or scattered, simple, entire, or rarely 
with pungent lobes. The species thrive in a compost 
of peat and loam, with plenty of sand added. Propa- 
gated, during April or May, by cuttings of rather firm 
young shoots, inserted in sand, under a bell glass. Perfect 
drainage is most essential. The species -here described 
are those usually seen in greenhouses. 
O. acutum (acute). f. red, yellow, all axillary, in loose clusters, 
shorter than the leaves. March. J. in whorls of three, or 
scattered, ovate-elliptic or almost oblong, zin. to zin. long, taper- 
ing into a pungent point. h. 2ft. 1842. (B. M. 4040, under name 
of Gastrolobium acutum.) 
Callistachys (Callistachys).* f. yellow, in dense, terminal 
racemes, June to August. J. lanceolate-acuminate, mostly in 
irregular whorls of three. A. 3ft. to 4ft. 1815. SxNs. Callistachys 
lanceolata (B. R. 216), C. longifolia (P. M. B. viii. 31), C. ovata 
(B. M. 1925), C. retusa (L. B. C. 1983). 
O. ca im (headed). f. yellow, in axillary clusters, or some- 
times forming a terminal, compact, corymbose raceme or head. 
June. l, lowest sometimes obovate, all the others oblong- 
lanceolate or linear, lin. to 2in. long, obtuse, with a short, 
usually recurved point. A. 2ft. 1837. (B. R. 1843, 16.) 
O. cordifolium (cordate-leaved). fl. orange-red, usually three or 
four together, in small, terminal heads or umbels. April. l. ir- 
regularly whorled in threes, ovate-cordate, from gin. to tin. long. 
h. lft. to 2ft. 1807. (A. B. R. 492; B. M. 1544; L. B. C. 937.) 
cuneatum obovatum (obovate, wedge-shaped).* fl. yellow, 
or the lower petals purple, in dense, corymbose racemes or 
