AN ENCYCLOPADIA 
1 5 
OF HORTICULTURE. 79 
Periploca—continued. 
Sio clothed “wit 
nside, clothed with copious, short hairs: corymbs di 
gt . fe varying from ovate e lae big a 
a g. eastern i 
B. K. 808, 8. . G. oes urope, Orient, 1597. (B. M. 
. 
— 
* > 
77 
PERISPERM. The albumen of secds, 
FIG. 88. PERISTERIA CERINA, showing Habit and detached 
Flowers. 
PERISTERIA (from peristera, a dove; referring 
to the dove-like appearance of the column, whence 
the plant is called, in South America, “Flower of the 
Holy Spirit“). Dove Flower. Syn. Echardia. ORD. 
Orehideœ. A small genus (four species) of stove orchids, 
having fleshy pseudo-bulbs, natives of the Columbian 
Andes. Flowers showy, in short or elongated racemes, 
shortly pedicellate; sepals concave and connate at the 
base; petals similar, but rather smaller; lip with its 
lower half continuous with the column, and sagittate at 
the base, and its upper half articulated with the lower, 
undivided, and bent down over the face of the column, 
Which is short, fleshy, and wingless; pollen masses two, 
furrowed, sessile on a narrow gland; scapes simple, erect, _ 
2 or deflexed at base. Leaves large, plicate. 
Grecian).“ Silk Vine. J. greenish outside, brownish 
_ than the bracts. 
Peristeria—continued. 
P. Barkeri (Barker's). A synonym of Acineta Barkeri. 
P. cerina 8 É yellow, produced in bunches on pendulous 
. lar 
spikes. June. ge, coriaceous, dark AD 
G. 1 88 h. lft. Central America, 1836, Soo Fig Be 
— . 
eolate, y ribbed 
licate, sometimes upwards of 3ft. high and 6in. across. 
stria 
ulbs ted, green, as as swans’ eggs, to 
leaves. h. Aft. . A very handsome, noble, and 
foba plant ; tho Espiritu Santo (H ty Ghost Flower) of 
the eee See Figs. 89 and 90. (B. M. 3116.) A 
P. guttata (spotted). fl. yellow and red; spikes peduni close 
1 5 udo-bulbs, pendulous, and han; over the edge of the 
ber, remaining two or three weeks in perfection. 
Ein. South America, 1837. A curious, rather than showy, 
8. 
P. Humboldtii fulya (Humboldt's tawny), A synonym of 
Acineta Humboldtii. 4 PRE ps 
pend . llow, spotted 
ioe 4 naa vy 3 the . thick; scape short, 
few-flowered. h. Ift. Demerara, 1855. (B. M. 3479.) 
PERISTROPHE (from peristrophe, turning round; 
in reference to the corolla, which is twisted so as to be 
upside down). OkD. Acanthacem. A genus comprising 
about fifteen species of erect or loosely sub-twiggy herbs, 
inhabiting tropical and Southern Africa, Madagascar, the 
East Indies, China, and the Malayan Archipelago. 
Flowers generally purple; heads often pedicellate, loosely 
eymose; bracts two, sub-connate at base; calyx shorter 
Leaves entire. The species here de- 
ials, and are those usually seen 
see Justicia. 
much-branched 
which is 
purple- 
