552 
Hexisia—continued. 
oblong ; racemes short, arising from the nodes. 1. linear-oblong, 
not longer than the joints. Stems constricted at the nodes, the 
joints lin. to ljin. long. Panama, Colombia, 1887. A pretty 
little Orchid. 
HIBISCUS. Calyx five-cleft or five-toothed ; staminal 
column truncate or five-toothed; ovary five-celled. To the 
species and varieties described on pp. 142-3, Vol. II., the 
following should now be added: 
H. californicus (Californian). /l. white, with a purple centre, 
2in. to Sin. long. Late summer or autumn. Jl. cordate, acu- 
minate, rarely somewhat three-lobed, crenate or acutely toothed, 
Sin. to Sin. long, exceeding the petioles, velvety-pubescent when 
young. A. 5ft. to 7ft. Perennial. Island in San Joaquin River, 
California. 
H. chrysanthus (golden-flowered). /l. large, campanulate ; petals 
yellow, with a purple spot at base, broad-obovate. 1. pale green, 
roundish, sub-trilobate, serrated. Stems hairy. Natal. Green- 
house shrub. 
H. cisplatanus (Plane-like). /. pale rose, 2}in. in diameter ; 
calyx campanulate, surrounded by numerous linear bracts. 
l. ovate, acuminate, with a tendency to become three-lobed. 
Brazil, 1887. Greenhouse shrub. 
H, rosa-sinensis kermesinus (carmine). jl. rich carmine- 
crimson, large; petals broad, rounded, undulated, outer ones 
reflexed, central ones erect, the innermost series consisting of 
the transformed column developed into numerous petaliferous 
lobes bearing stamens on their margins. South Sea Islands. 
H. r.-s. magnificus (magnificent), . bright rosy-magenta, 
shaded crimson, the base of each petal blotched chocolate. 
H. r.-s. subviolaceus (partly violet). jl. bright rose-colour, 
lightly striped with violet, dark purple at the base of the divisions, 
double. 1885, An ornamental variety. 
HIERACIUM. To the species described on p. 143, 
Vol. II., the following should now be added: 
H. maculatum (spotted). /.-heads yellow, cymose; florets 
toothed. Summer and autumn. J. ovate-lanceolate, strongly 
toothed, hairy, strongly speckled with black. Stem branched, 
many-leaved. h. lift. 
HILLEBRANDIA (named in honour of Dr. Hille- 
brand, a botanist at Hawaii, who sent dried specimens 
of the plant to Kew in 1865). Orb. Begoniacew, <A 
monotypic genus. The species is a tall, branched, suc- 
culent, stove herb, everywhere sparsely clothed with 
long, reddish hairs. For culture, see Begonia, on 
Dp: eU¢0s Viole. 
H. sandwicensis (Sandwich Isles). jl. white, tinged rose, or 
more or less rosy, about jin. in diameter, the females bi- 
bracteolate ; sepals five, ovate, sub-acute, the outer ones rather 
larger; petals five, spathulate, concave, membranous ; stamens 
many, free ; peduncles 6in. to 12in. long, dichotomously branch- 
ing, and bearing bisexual cymes. May. J. 4in. to 8in. long and 
broad, obliquely rounded and deeply cordate, with a very narrow 
sinus, and overlapping basal lobes. h. 3ft. to 4ft. Sandwich 
Isles, 1886. (B. M. 6953.) 
HIPPEASTRUM BAGNOLDI. Mr. Baker regards 
as a form of this species the plant described on p. 550 
as Habranthus punctatus (which see). 
HOLLYHOCK. New Hollyhocks have been exhibited 
during the year 1888 at the metropolitan exhibitions; 
but none of them have come up to the high quality of the 
best flowers produced by Lord Hawke and by Messrs. 
Chater, of Saffron Walden. A few good varieties omitted 
from the previous list are as follow: 
BULLION, primrose-yellow ; CZAR, rosy-red, well-formed; Davip 
HENDERSON, rosy-red, fine and full; Davin Low, rosy-crimson, 
long spike; EXCELSIOR, salmon, large and full; FRANK GIB 
DOUGLALL, reddish-purple, large; FRED. CHATER, sulphur- 
yellow, perfect form; GRACE DARLING, rosy-salmon, large ; 
HERCULES, yellow, darker base, perfect ; IN MEMORIAM, purple ; 
long spike; J. M. Linpsay, clear red, perfect, good spike ; 
Masestic, deep red, large, long spike; MEMNON IMPROVED, 
crimson, large; Mrs. Bouron, pale rose, finest form; Mrs. 
Downlk, bright orange, good form; Mrs. EDWARDS, salmon, 
extra fine; MRs, LAING, rosy-lilac, large, well-formed; NETTY 
GRIEVE, purple, large and well-formed ; PURPLE PRINCE, purple, 
very finely formed, large spike; QUEEN OF Burrs, buff, well- 
formed, large spike; REINE BLANCHE, pure white, handsome 
spike ; ROBERT MARTIN, crimson, large, good spike ; STANDARD 
BEARER, creamy-white, tine spike ; TECOMA, rose, large and full, 
good spike; THE QUEEN, flesh, with salmon-tint, full; WILLIAM 
FOWLER, dark crimson fine form; WILLIAM THOM, carmine, 
large, tall spike. 
HOMALOMENA. Flowers borne on an inappendicu- 
late spadix, which is included in the spathe, and often 
THE DICTIONARY OF GARDENING. 
Homalomena—continued. 
shortly stipitate, the male inflorescence cylindrical or fusi- 
form, the female shorter and narrower; spathe straight, 
cylindrical or convolute below, the lamina convolute or 
gaping, avuminate. Leaves ovate- or triangular-cordate or 
lanceolate; petioles often elongated and long-sheathing. 
To the species described on p. 149, Vol. II., the following 
should now be added: 
H, insignis (remarkable). #., spathe green, 34in. to 4in. long, 
obtusely keeled at back, the apex compressed-rostrate; spadix 
white, din. long. J. 1ft. long, 6in. broad, elliptic-oblong, obtuse 
and shortly mucronate, rounded at base, green above, suffused 
purple beneath ; petioles fuscous-purple, channelled, 3in. to 5in. 
long, sheathed to the middle. Borneo, 1885. (I. H. 1885, 560.) 
H. Siesmeyerianum (Siesmeyer’s). _jl., spathe purplish-red 
outside, white within, the tube and limb indistinguishable ; 
peduncle purplish-red. J. slightly sagittate, the veins, midiib, 
and margin beneath, tinted red; petioles purplish-red, long, 
glabrous. Malaya, 1885. 
HOULLETIA. To the species described on pp. 153-4, 
Vol. II., the following variety should now be added: 
H. odoratissima xanthina (yellow). ., sepals and petals 
orange-yellow, the lip sulphur and white. 1884. A handsome 
variety. 
HOYA. To the species described on pp. 155-6, Vol. IT., 
the following should now be added: 
H. gonolobioides (Gonolobus-like). /. brownish, rotate, with 
ovate, obtuse lobes, umbellate ; peduncles hispid. 7. membranous, 
cordate-ovate, acuminate, hairy on both sides. Stem fulvous- 
hispid, climbing. India (?), 1884. A distinct plant. 
H. Griffithii (Dr. W. Griffith’s). /. externally pale and rather 
dull rose-red, with yellowish edges, paler and yellowish within, 
with three faint pink stripes on each segment, lin. to liin. in 
diameter, numerous, umbellate on a stout peduncle lin. to l}in. 
long. July. J. in distant pairs, 4in. to 10in. long, very shortly 
petiolate, elliptic or oblong-lanceolate or oblanceolate. Stem 
flexuous, climbing. Eastern Bengal, 1885. (B. M. 6877.) 
H. linearis sikkimensis (Sikkim). . waxy-white, pen- 
tagonally five-lobed, nearly jin. ia diameter, in terminal, ten to 
thirteen-flowered winbels. J. soft, fleshy, terete, hairy. Stems 
weak and flaccid, pendulous, slender, softly hairy. Sikkim, 
1883. A good basket plant. (B. M. 6682; G. C. n. s., xx., 
pp. 8-9.) 
H. longifolia Shepherdi (long-leaved, Shepherd’s). fl. pale 
flesh-coloured, in. in diameter, disposed in globose umbels. 
l. linear-oblanceolate, acute, 5in. to Tin. long, in. broad. 
Sikkim, 1885. A beautiful plant. (G. C. n.s., xxiv., p. 616.) 
HUERNIA. To the species described on p. 156, 
Vol. II., the following should now be added: 
H. aspera (rough). /#. few in a sessile cyme; sepals greenish 
or purple, linear-subulate, spreading ; corolla purple, nearly lin. 
in diameter and as long, campanulate, the lobes very short, 
broadly triangular, acute; column very short; outer corona of 
five broad, short, truncate, very dark lobes, the inner of five 
yellowish, oblong-lanceolate, erect, incurved, obtuse ones. Sep- 
tember. J. minute, tooth-like, distant, horizontal or recurved. 
Stems procumbent, purplish-brown; branches ascending, divari- 
cate. Zanzibar, 1887. (B. M. 7000.) 
HUMULUS. Syn. Lupulus. Flowers dicecious, 
the males paniculate, the females spicate. Leaves op- 
posite, petiolate, broad, five to seven-nerved. To the 
species described on p. 157, Vol. II., the following should 
now be added: 
H. japonicus (Japanese). #., males in long, lax panicles; 
females in short, ovoid spikes, on long peduncles, with cordate, 
cuspidate-acuminate bracts, which do not enlarge in the fruit. 
l. palmately five to seven-lobed, the margins toothed. Japan, 
1886. Somewhat like the common Hop. (R. G. 1886, p. 359, f. 43.) 
HYACINTHUS. To the species and varieties de- 
seribed on pp. 159-60, Vol. IT., the following should now 
be added: 
H. azureus (sky-blue). /., lower ones deep blue, deflexed, with 
an oblong perianth din. long, the segments about one-third as 
long as the tube; upper ones nearly sessile, the sky-blue, cam- 
panulate perianth having segments nearly or quite as long as 
the tube; raceme dense, conical, with a thickened, blue axis; 
scape rather shorter than the leaves. February. J. six or eight, 
lorate, erect, glaucous, 4in. to 6in. long, deeply channelled down 
the face. Bulb white, about lin. in diameter. Asia Minor. 
(B. M. 6822.) 
H. fastigiatus (pyramidal). l., perianth bright lilac, }in. to jin. 
long, the segments ol long-lanceolate ; raceme few-flowered, in 
the wild state often congested into a corymb ; scape erect, terete, 
shorter than the leaves. March and April. J. three to six or 
