AN ENCYCLOPADIA 
OF HORTICULTURE. 
169 
Hypericum—continued. 
H. olympicum (Olympian). /l. large, few ; peduncles bibracteate. 
Summer. J. elliptical-lanceolate, rather acute, full of pellucid 
dots, glaucous, Stem round, shrubby. h. 1ft. to 2ft. Mount 
Olympus, 1706. Greenhouse evergreen. 
H. orientale (Eastern), fl. appearing in summer. l stem- 
clasping, linear, obtuse, erect, fringed with glandular hairs. 
Stem shrubby, slender, with two angles, erect and jointed. 
h. 6in. to 12in. Levant. Half-hardy perennial. 
H. patulum (spreading).* fl. corymbose ; peduncles bibracteate. 
Summer. l. ovate-lanceolate, acute, tapering to the base, with 
revolute margins, without dots. Stem round, purplish, herba- 
ceous. A. 6ft. Japan. Hardy. (B. M. 5693.) . 
Fig. 261. DEHISCING CAPSULE AND PORTION OF INFLORESCENCE 
3 OF HYPERICUM PERFORATUM. 
under side. 
— (Britain). Hardy 
H, prolificum (prolitic). 4. few, corymbose. Summer. Z. linear- 
lanceolate, with revolu es, full of pellucid dots. Stem 
round, shrubby; branches angular. k. lft. to 2ft. North 
America, 1758. Hardy. : - — 
H. pyramidatum (pyramidal). fl. few, large; peduncles short, 
thick. Summer. Z. lacunae oblong-lanceolate, acute, with 
revolute margins. Stem wing! herbaceous. A. 4ft. North 
_ America, 1764. Hardy. —— 
H. triflorum (three-flowered). fl. solitary ; peduncles terminal, 
usually in Pte —— l. membranous, ovate - oblong, 
bluntish, full of pellucid dots. Stems terete, shrubby. Moun- 
tains of Java. Half-hardy. (Gn. xxiii. 158.) 
H. uralum (Urala). ji. terminal, somewhat corymbose. Summer. 
L PET ay e taam ag smooth, shining. Branches compressed, 
two-edged. h. 2ft. Nepaul. Hardy shrub. (B. M. 2375.) 
HYPHÆNE (from hyphaino, to entwine; alluding 
to the fibres of the fruit). Doom, Doum, or Gingerbread 
Palm. Orp. Palme. A genus of about nine species of 
fan-leaved stove palms, natives of tropical Africa, Arabia, 
and the Mascarene Islands. Flowers dicecious 5, males in 
twos, females solitary. Leaves terminal, orbicular, or 
nearly so, with sword-shaped acute or bifid segments. 
Stems unarmed, tall or of medium height, simple or 
Vol. II. 
Hyphæne—continued. 
dichotomously branched. Probably the only species in 
cultivation is H. thebaica, a plant which is difficult to 
cultivate. It thrives best in rich sandy loam, and may 
be increased by imported seeds. 
H. thebaica (Theban). J. large, fan-shaped, in a terminal tuft, 
whence arises the branched inflorescence. Stem branched, each 
branch ending in a tuft of leaves. A, 40ft. Upper Egypt and 
Nubia, 1828. The wood of this tree is extreme y bard, and is 
Sip 3ed in the manufacture of various domestic utensils. (F.d. 8. 
lium (narrow-leaved). jf white or pale pink, in 
oT o 
leaves. y. J, narrow-linear, rigid, channelled above or semi- 
I rather broader and concave, obtuse or acute, h, 1ft. — 
`, to dft. Syn. H. suave (under which name it is figured in 
B. R. 1844, 28). — : 
H. robustum (robust). M. pink axillary, on short pedice is ; heads 
retai noat ai 9 4 we -lanceolate, mucronate. h. 2ft. 
1842. (B. R. 1842, 8. 
H. suave (sweet). A synonym of H. angustifolium. 
HYPOCALYPTUS (from hypo, under, and kalypto, to 
hide ; named from a covering to the unopened flower, observ- 
able in most of the species so-called by Thunberg, but 
which are now referred to Podalyria; the character does 
not seem applicable to the only species that remains in 
the genus). Orp. Leguminosæ. A monotypic genus. 
The species is an ornamental gree evergreen shrub, 
thriving in a peat and loam compost. Cuttings of the side 
shoots will root, during April, in sand, under a hand glass. 
a u July. 2. tri- 
Be a e gh 
Good Hope, 1823. (B. M. 1913; B. R. 128; B. M. 3894, under 
name if Crotalarte purpurea.) 
HYPOCRATERIFORM. Salver-shaped; having 
long slender tube and a flat limb, as in the Primrose. 
HYPOCYRTA (from hypo, under, and kyrtos, curved, — 
gibbous; the under part of the corolla tube exhibits a con- 
spicuous gibbosity). ORD. Gesneracew. A genus com- 
prising about ten species of much-branched stove shrubs, 
natives, for the most part, of Brazil. Flowers axillary 
and solitary, or several together; calyx deeply five-parted. 
Leaves opposite, entire, or sub-dentate. For culture, see 
Gesnera. 
bra (smooth). fl., corolla rich scarlet, with a short con- 
—— * the pont of the tube ; limb orange-yellow ; calyx seg- 
ments serrated ; peduncles one to three, in the axils of the leaves, 
longer than the petioles, with a pair of linear bracts at the base. 
June and July. l opposite, elliptical, obtuse, glossy, very 
minutely hairy, on short petioles. Stem dark purple, erect, un- 
branched, succulent. h. 8in, to 10in. South America, 1846. 
—— lose). Jt. scarlet, yell il lita 
strigillose). Ji. scarlet, yellow, axillary, soli — 
an much —— in front; limb contracted, tive-toothed. 
May. J. oblong, acuminate, mucronate, strigillose. Stem erect, 
villous above. A. 2ft. Brazil. (B. M. 4047.) 
TIUM. A synonym of Lissochilus 
(which see). 
(from hypo, under, and derris, a skin : 
in reference to the cover of the circular sporange). ORD. 
Filices. A genus of two species of stove ferns, closely 
allied to Woodsia. Sori sub-globose, in lines or series 
el with the secondary veins; involucre calyciform, 
fimbriated at the margin. Probably the second species, 
Zz 
ne only of each pair of 
