1900 SUPPLEMENT—RECENT INTRODUCTIONS, &c. 615 
Polypteris—continued. 
formerly included under Palafoxia (which see for 
culture). Flower-heads rose-purple or flesh-colonved, 
loosely corymbose-cymose or paniculate, pedunculate. 
Leaves undivided and mostly entire, petiolate; all the 
upper ones alternate. 
P. Hookeriana (Hooker's). 
Hookeriana, 
P. texana (Texan). /.-heads pink; florets about thirty, five- 
parted ; involucral scales ten to twelve. J. lanceolate-linear, 
acuminate, three-nerved, puberulous. Annual. Syn. Palafoxia 
texana. 
POLYSCIAS (from polys, much, and skias, shade ; 
in allusion to the plentiful foliage). Orp. Araliacer. A 
genus comprising about eight species of stove, glabrous 
trees or shrubs, inhabiting the East Indies, the Indian 
Archipelago, and the South Pacific and Mascarene Islands. 
Flowers umbellate, racemose or paniculate ; calyx truncate 
or repand-toothed on the margin; petals five to eight, 
valvate, free or cohering at apex; stamens as many as the 
petals ; disk flat or rarely sub-conical ; bracts scale-like or 
wanting. Leaves pinnate; leaflets coriaceous, usually 
ample. Only one species calls for description here. For 
culture, see Trevesia. 
P. paniculata (paniculate). 7. pinnate; leaflets usually seven, 
the terminal one Jin. to Qin. long, the others short-stalked, 
oblong, obtuse, shining, sub-coriaceous, deltoid or rather 
rounded at base, 4in. to 6in. long. SyYN. Terminalia elegans 
(of gardens). This ‘thas no more to do with the genus 
Terminalia than with a Cabbage” (G. C. 1887, ii., p. 366), 
POLYSTACHYA. To the species described on 
p. 196, Vol. III., the following shonld be added: 
P. Buchanani (Buchanan’s). (. yellowish, with faint traces 
of purple, small; scapes 1ft. long. 72. about 6in. long. Eastern 
tropical Africa, 1889. Very similar to P. luteola. 
P. bulbophylloides (Bulbophyllum-like). fl. white, sub- 
sessile, with an orange spot on the lip. Western tropical 
Africa, 1891. A minute species, with the habit of a small 
Bulbophyllum. 
P. dixantha (of two yellows). #., sepals and petals ochreous ; 
lip dark yellow, with purple side lobes and an _ orange- 
coloured callus. Western tropical Africa, 1882. A curious 
Species. 
P. grandiflora (large-flowered). The correct name of P. galeata. 
P. imbricata (overlapping). . yellow and pink, small, 
disposed in a branched spike. /. about 3in. long. Stems as 
long as the leaves. Eastern tropical Africa, 1893. 
P. Kirkii (Kirk's). /. white, 4in. across, having the lip 
margined with purple; scape flattened, din. long. J. linear- 
oblong, Sin. long. Pseudo-bulbs narrow, 2in. long. Eastern 
tropical Africa, 1894. 
P. Lawrenceana (Sir Trevor Lawrence’s). jl. pale lilac and 
een, disposed in a simple raceme. British Central Africa, 
893. Allied to P. Kirkii. 
P. leonensis (Sierra Leone). fl., upper sepal and petals light 
een; lateral sepals suffused brownish-purple in the lower 
alf; lip white, the lateral lobes suffused behind with light 
purple, and the front lobe, the central keel, and the basal 
part of lip white-mealy. May. Pseudo-bulbs arranged thickly 
in a string along the creeping rhizome. Sierra Leone, 1888. 
P. Ottoniana (Otto's). 7 white, sin. across; sepals having 
a purple median line; lip with a yellow blotch on the disk ; 
eduncles one-flowered. /. in pairs, linear, Grass-like, the 
The correct name of Palafoxia 
onger one 4in. long. Pseudo-bulbs clustered, in. long, 
prolonged into a slender stem lin. to Ilsin. long. South 
Africa, 1847. 
P. usambarensis (native name). This is nearly related to 
P. Kirkii, but differs in its numerous leaves and in always 
having branched inflorescences. German Hast Africa, 1898. 
P. villosa (villous). jl. pale green, with « white lip, small, 
hairy; scape erect, Sin. long. J. linear-lanceolate, 10in. long. 
Eastern tropical Africa, 1894. 
P. Wightiana (Wight’s). 7. 
broader than long; panicle 
1. two or three, gin. to 6in. 
4in. to 6in. long. Malabar. 
P. zambesiaca (Zambesi). 
short scapes. /. lanceolate, 
yellow; sepals din. long; lip 
labrous, with short branches. 
ong, Zin. to lin. broad. Stem 
fl. yellow and brown, borne on 
3in. long. British Central Africa, 
POLYSTIGMA RUBRUM. See Plum—Fungi. 
POLYXENA. P. angustifolia is the correct name of 
Massonia angustifolia, 
POMACEOUS. Apple-like. 
POMMELO. A popular but cormpt name for the 
fruits of Citrus decumana, now largely imported. 
POMMERESCHIA (named in honour of Pommer 
Esche, Director of the Société d’Horticulture des Etats 
Prusse). ORD. Zingiverew. A monotypic genus. The 
species is a quick-growing, stove, foliage plant much 
resembling a Phrynium in general habit. For culture, see 
Zingiber. 
P. Lackneri (Lackner’s). fl. golden-yellow, in a pedunculate 
spike 3in. to 5in. long, sub-distichous; lip cuneiform, bidentate 
or bifid. 7. distichous, oblong-lanceolate, long-acuminate, 6in. 
to 10in. long. Rhizome tuberous, globular. hk. 2ft. to 2Qk4ft. 
Birma, 1895, ¥ 
POMOLOGY. 
fruits. 
POMPION. See Cucurbita. 
POMPON. A word used of certain florists’ flowers 
which are produced in tufts—Pompon Chrysanthemums 
for instance. 
PONCELETIA (of 
Spartina (which see). 
PONDS. In all gardens the effect is enhanced by the 
appearance of water, and where possible it should be 
introduced in the form of Ponds or streams. See Aquatic 
Plants. 
PONDWEED, HORNED. See Zannichellia. 
PONERA. In addition to the species mentioned on 
p. 197, Vol. III., the following have been introduced : 
P. juncifolia, P. pellita, and P. prolifera, P. Kienastii 
is also known as Scaphyglottis Kienastii. 
The section of horticulture relating to 
Thouars), <A 
synonym of 
Fic, 639, PONTEDERIA CORDATA. 
PONTEDERIA. To the species, &c., described on 
p. 198, Vol. III., the following variety should be added. 
See also Eichhornia and Monochoria. 
P. montevidensis (Monte Video). This is simply a form of 
the widely-distributed P. cordata (see Fig. 639). 1899. 
PONTHIEVA. To the species described on p. 198, 
Vol. III., the following should be added : 
P. grandiflora (large-flowered). jl. large; lateral sepals 
connate for nearly all their length, white, blotched green at 
base; dorsal sepal narrow-lanceolate; petals halberd-shaped, 
twisted, yellow, striped Indian-red; lip small, fleshy, red; 
scape Yin. high; raceme eight- to ten-flowered. J, broad, 
ovate, acute, dull green, hairy. Keuador. 
