ae 
: 1900 SUPPLEMENT—RECENT INTRODUCTIONS, &C. 
Hymenophyllum—continwed. 
H. subtilissimum (very slender). sfi. lin. to 3in. long, wiry, 
erect, tomentose. fronds 3in. to 8in. long, lin. to 2in. broad, 
ovate-lanceolate, tripinnatifid; main rachis slightly winged 
above; lower pinne spreading, divided nearly to the rachis 
into numerous alternate pinnules, which are again deeply 
divided into broad, linear segments, the surface and margins 
tawny-pubescent. sort two to twelve to a pinna, terminal on 
the lateral segments. New Zealand, «ce. 
H. tamariscifolium (Vamarisk-leaved), A form of I. javan- 
. veum 
H. villosum (villous). 
HYMENOSPORUM (from hymen, a membrane, and 
sporos, seed; the seeds are girded by membranous wings). 
Orv. Pittosporee. A monotypic genus. The species is a 
greenhouse, evergreen tree, with the habit of Pittosporum 
; (which see for culture). 
H. flavum (yellow). jl. yellow, marked orange-red at the mouth 
of the tube, showy, in a loose, terminal panicle ; sepals distinct ; 
4 petals connivent in a tube above the middle or sub-coherent, and, 
a as well as the numerous stamens and the ovary, silky-tomentose. 
: April. 7. entire, glabrous, broadly obovate-lanceolate, the upper- 
& most ones often somewhat whorled. Eastern Australia. SYN. 
‘ Pittosporum flavum (B. M. 4799). 
F HYMENOXYS (of Torrey and Gray). 
Actinolepis (which see). 
HYOPHORBE. Syn. Sublimia. According to the 
Kew authorities, H. indica is a good species, and not 
synonymous with Chrysalidocarpus lutescens. 
~ H. indica (Indian). . white or yellowish; spadix loosely 
branched ; peduncle 3in. to 6in. long. _/. on petioles lft. to 24ft. 
long ; pinnz forty to sixty pairs, lanceolate, acuminate, 2ft. long, 
24in. broad ; sheath cylindrical. Stem 4in. to 6in. in diameter. 
h. 40ft. to 50ft. Mauritius and Bourbon Island. 
HYOSPATHE. JH. elata is synonymous’ with 
* Pigafetta elata, and H. pwhigera with Prestoéa pubi- 
gera. 
HYPZHELYPTUM (in 
Hypolytrum (which see). 
HYPELYTRUM. A 
(which see). 
HYPENA PROBOSCIDALIS 
ROSTRALIS. See Snout Moths. 
HYPERICUM. To the species describod on _ pp. 
168-9, Vol. II., the following should be added; all of 
them are hardy. 
A synonym of H. polyanthos. 
A synonym of 
She 
~~? 
part). Synonymous with 
synonym of Hypolytrum 
and HYPENA 
i. 
: 
2 
4 
, 
3 
H. zgypticum is the correct spelling of H. egyptiacum. 
H. aureum (golden).* fl. large, nearly solitary and sessile; 
petals orange-yellow, coriaceous, reflexed, longer than the 
“ovate, unequal sepals and the excessively numerous stamens. 
Summer. 7 oblong, obtuse, attenuate, glaucous beneath, 
minutely undulate-crisped on the margin, 
aceous. h. 2ft. to 4ft. 
and compact. 
H. Buckleyi (Buckley’s). jl. bright yellow, about lin. across, 
solitary, terminal. North Carolina, 1891. A dwarf, shrubby 
species. (G. & F. iv., p. 581, f. 91.) 
H. chinense (Chinese). _jl., calyx oblong, dotted with black; 
peduncles bibracteate. September, March. J. elliptic, obtuse, 
slightly dotted with black. Stems terete. h. 3ft. China, 
1755 and 1883. Syns. H. monogynum (B. M. 334), H. sinense. 
H. densiflorum (dense-flowered). jf. smaller than in 
H. prolificum; calyx very short, ovate. JU, linear-lanceolate, 
attenuated at base. Branches sub-terete. United States, 1890. 
Allied to H. prolificum. (G. & F. iii., p. 524, f. 67.) 
H. humifusum (spreading). 7. in terminal cymes; calyx 
exceeding the corolla; stamens fifteen to twenty. J. oblong, 
obtuse, very slender, with pellucid and black dots. Stems 
eeane over the surface of the ground. Europe. A useful 
plant for the rockery. 
H. monogynum (one-styled). A synonym of H. chinense. 
H. Moserianum (Moser’s).* /. of a rich butter-yellow, as 
large as a crown piece, with crimson-toned stamens; petals 
of good substance. sol. A hybrid between H. patulum and 
H. calycinum, but most closely resembling H. Hcokerianum. 
H. M. tricolor (three-coloured). 7. variegated with white and 
rosy-carmine. 1894. 
H. sinense (Chinese). A synonym of H. chinense. 
H. triflorum is a form of H. Hookerianum, its correct name 
being H. H. Leschenaultii. 
H. uralum is a synonym of I. patulum 
4 somewhat cori- 
Southern United States. Habit dense 
ara ne e A synonym of Paradisia Grbich 
see). 
HYPHA. A filament of mycelium. 
HYPHZENE. Syns. Cucifera, Dowma. To the species 
genet on p. 169, Vol. IL., the following should be 
added : 
H. crinita (hairy). fr. obovate, depressed, shortly stalked. 
t flabellate, with fibres between the segments, covered on both 
sides with very fugacious, white down; margins and upper sides 
of the nerves scabrous; petioles sheathing at base, deeply 
channelled above. Stem simple, 8ft. to 20ft. high. Natal. 
Greenhouse. Syns. H. natalensis, H. Petersiana. — 
H. natalensis (Natal). A synonym of H. crinita. 
H. Petersiana (Peters’). A synonym of I. crinita. 
In_ addition to the two species described in this work, 
H. Schatan, a native of Madagascar, is grown at Kew. 
HYPOCHZERIS (from hypo, for, and choiros, a pig; 
the roots of the plants are said to be greedily eaten 
by pigs). Including Agenora and Seriola. ORD. Composite. 
A genus embracing about thirty species of mostly hardy, 
perennial or annual, scapigerous herbs, broadly aiscersed 
over temperate or mountainous regions, allied to Taraza- 
cum. Flower-heads yellow, long-pedunculate, homogamons ; 
florets all ligulate ; involucral bracts in many series ; recep- 
tacle flat. Leaves rosulate, entire, toothed or pinnatifid. 
Several of the species haye been introduced, but they are of 
little horticultural value. 
HYPOCHIL. A term applied to the lower portion of 
the divided lip in some Orchids. 
HYPOCYRTA. To the species described on p. 169, 
Vol. IL., the following should be added: 
H. gracilis (slender). A synonym of Codonanthe gracilis. 
H. leucostoma (white-mouthed). <A 
leucostoma. 
H. pulchra (pretty).* /l. axillary, solitary, hairy ; sepals scarlet, 
din. Jong, erect ; corolla pale yellow, nearly lin. long, urceolate. 
June. ¢. 4in. to Sin. long, ovate, sub-acute, cordate at base, 
rather fleshy, serrulated, dull green clouded with brown above, 
vinous-red beneath ; nerves sunk above, very prominent beneath. 
Stem erect, Sin. high. Colombia, 1894. (B. M. 7468.) 
HYPODERRIS. The Hypoderrises are of easy 
culture, thriving well in a warm temperature and moist 
atmosphere. The compost which they prefer consists of 
one part of fibrous loam, two of peat or partly-decayed 
leaf-mould, and one of silver-sand ; and althongh attaining 
larger dimensions when grown in a shady place, they thrive 
luxuriantly in, and are not averse to, strong light. They 
also enjoy an abundance of water at the roots, especially 
from May to October. On account of their robust habit, 
synonym of Besleria 
Fic. 458. 
FROND OF HYPODERRIS BROWNII. 
