1900 SUPPLEMENT—RECENT INTRODUCTIONS, 
&c. .611 
POLYGALA. To the species, &c., described on 
p. 183, Vol. III., the following should be added. Several 
plants formerly included hereunder are now referred to 
Brachycarpea, Mundtia, and Muraltia. 
P. amarella (slightly bitter). A synonym of P. calearea. 
P. calearea (chalk-loving). fl. bright blue, pink, or white, in 
short, terminal racemes of six to twelve. Summer. J. spathu- 
late, narrowed to the eae somewhat reflexed. Stems 
prostrate. Europe (South of England). SYN. P. amarella. 
P. Chamzbuxus purpurea (purple).* A beautiful variety 
with magenta-purple blossoms. 
P. cordifolia (cordate-leaved). 
cordata. 
P. Dalmaisiana (Dalmais’). See 
grandifiora. 
P. Galpini (Galpin’s). 1. pale rosy-lilac, nearly lin. across 
the expanded wings; racemes axillary, erect, Sin. to 4in. long. 
September. 7. shortly petiolate, 2in. to din. long, ovate, 
acuminate, bright green above, paler beneath. Branches 
flexuous. h, 3ft. to 5ft. Swaziland, 1889. A slender, straggling, 
greenhouse shrub. (B. M. 7439.) 
P. gyrandifolia (large - leaved). 
P. Hilairiana. 
POLYGAMOUS. Having male and hermaphrodite, 
or female and hermaphrodite, or male, female, and 
hermaphrodite flowers all together on the same plant. 
A synonym of P. oppositifolia 
under P, myrtifolia 
The name of 
correct 
Fig. 637. POLYGONATUM MULTIFLORUM. 
POLYGONATUM. Syn. Campydorum. P. multi- 
florum (Fig. 637, for which we are indebted to Messrs. 
J. Veitch and Sons) is quite one of the most useful of 
plants for forcing purposes. It should be potted up in 
November, and afterwards plunged in cocoa-nut fibre till 
growth starts, when the plants should be placed in their 
flowering quarters. To the species described on p. 184, 
Vol. IIL., the following shonld be added: 
P. hirtum (hairy). A synonym of P. latifoliwm. 
P. latifolium (broad-leaved).* /l. one to five, drooping from 
the axils; perianth jin. long, the tube white, the segments 
eenish. July. 7. ten to fifteen, alternate, oblong, 3in. to 
in. long, puberulous beneath, Stem 2ft. to 4ft. high, 
puberulous above. Europe, &c., 1802. Syns. P. hirtwin, 
Convallaria latifolia. 
P. 1. commutatum (changed). jl. white, large, three to seven 
in a bunch. Stems and leaves glabrous throughout. h. 2ft. to 
7ft. North America. 
P. Moserianum (Moser's). 
leaves. 1897. 
P. multifiorum bracteatum (large-bracted). 
throughout the summer; bracts much developed. 
P. m. Broteri (Broter’s). A large-flowered variety. 
P. officinale flore-pleno (double-flowered), A desirable, 
double-flowered variety. , 
P. Thunbergi (Thunberg’s). This is frequently catalogued as 
of specific rank. It is, however, referable to P. /atifolium, of 
which it is a glabrous form. 
A garden variety, with variegated 
ji. borne 
POLYGONUM. Including Ampelygonum. To the 
species described on pp. 185-6, Vol. Ill., the following 
should be added : 
P. adpressum (adpressed), of Labillardiére. 
Muehlenbeckia adpressa. 
P. amplexicaule oxyphyllum (sharp-leaved). A 
eens feathery white plumes of fragrant flowers. 
h, 2ft. 
P. baldschuanicum (Baldschuanic).* #1. rose-coloured, nearly 
jin. across, in small fascicles; panicles axillary and terminal, 
effuse, the branches angular. September. /. long-petiolate, 
ovate- or hastate-cordate, obtuse to acuminate, pale green. 
Stem slender, woody, climbing to 20ft., sin. thick at base. 
Bokhara, 1888. A very beautiful, hardy species. (B. M. 7544; 
R. G. 1888, t. 1278.) 
P. chinense (Chinese). 
A synonym of 
variety 
Autumn. 
jl. white, pink, or purplish, in small 
panicled or corymbose heads. J. extremely variable; petioles 
usually having two auricles at base. Temperate Himalaya, 
&e. A rambling or erect (5ft.), hardy shrub. SYN. Ampelygonum 
chinense. The form /oliis-pictis has some leaves green, others 
purple, all with a white V-shaped mark. China. 
P. crispulum (slightly crisped). A synonym of Atraphaxis 
buxifolius. 
P. lanigerum (wool-bearing). #. carnation-red or white; 
racemes lin. to 2in. long, disposed in slender, divaricate 
panicles. 7. sessile or petiolate, narrowly lanceolate, 4in. to 
in. long, finely acuminate (rarely glabrous above). Stem 2ft. 
to 10ft. long, much-branched, procumbent and 
creeping below. ‘Tropics of the Old World, 1889. 
Half-hardy perennial, clothed with snow-white 
tomentum. (R. G. 1890, p. 224, f. 52.) 
P. macrophyllum (large-leaved). The correct 
name of P. spharostachywm. 
P. molle (soft). jj. white, in large, terminal, 
thyrsoid, tomentose panicles. /. petiolate, ellip- 
tic-lanceolate, silkily pubescent, tomentose, or 
villous beneath. Branches stout, hairy. h. 2ft. 
Temperate Himalayas, 1882. Hardy shrub; 
excellent for grouping. 
P. multiflorum (many-flowered). #1. whitish, 
small, in loose, spreading panicles. 7. cordate- 
ovate, acute, 4in. long, 3in. broad, shining, deep 
green. Stems numerous, long, slender, reddish. 
Root tuberous. Japan, China, &c., 1881. Hardy 
perennial climber or trailer. 
P. orientale variegatum (variegated). An 
ornamental garden variety, distinguished from 
the type in having variegated leaves. 1892. 
(R. H. 1892, p. 37, f. 8.) The form pumilum 
(dwarf) is rather earlier than the type. 
P. petiolatum (long-petiolate). A synonym of 
P. amplexicaule. 
P. polystachyum (many-spiked). #. white or 
pink, Jin. across, in a large, very variable, 
effuse panicle. J. sub-sessile or petiolate, oblong- 
lanceolate, 4in. to 9in. long, caudate-acuminate, 
the base usually contracted and sub-hastately 
cordate or truncate. A, 3ft. to 6ft. Temperate 
Himalaya. Hardy shrub. 
P. virginianum (Virginian). jl. greenish; 
racemes 6in, to l6in. long, very slender. August 
and September. . elliptic or elliptic-lanceolate, 
4in. to 10in. long, thin, many-nerved ; petioles 4in. to lin. long. 
Stem erect, 2ft. to 5ft. or more in height. North America, 
India, Japan, &e., 1640. Hardy perennial. 
P. viviparum (viviparous). jl. pink, sub-erect, very variable 
in size, disposed in solitary, erect, slender spikes lin. to 4in. 
long. ¢. very variable, lin. to 6in. long, sometimes pubescent 
or tomentose beneath. Stem slender, 6in. to 12in. long. Root- 
stock woody. Himalayas, Arctic Europe, &c. Hardy perennial. 
POLYMNIA. To the species described on p. 186, 
Vol. III., the following shonld be added: 
P. maculata (spotted). 1 heads having ten linear-lanceolate, 
toothed rays. September to November. J. opposite, sinuate- 
lobed, decurrent. Stems sulcate, nearly glabrous. h. 6ft. 
Mexico (on mountains). Half-hardy perennial. 
POLYPAPPUS (of Nuttall). A synonym of Tessaria 
(which see). 
‘ 
= a ee SOS 
POLYPHRAGMON. A synonym of Timonius 
(which see). 
POLYPODIUM. MIneluding Anapeltis, Dipteris, 
Schellopsis, Stegnogramme, Thylacopteris, and Xiphopteris. 
CunturE. The Polypodiums, both British and exotie, 
are of two different structures and of various habits. A 
small proportion of them, such as our common ‘Oak ”’ 
and ‘‘ Beech” Ferns (P. Dryopteris and P. Phegopteris), 
are deciduous, and provided with slender rhizomes which 
delight in running underground, especially in partly- 
