Byars) 
PENZA. One or two species formerly included 
hereunder are new referred to Sarcocolla. 
PENNISETUM. ‘To the species described on p. 69, 
Vol. IIIL., the following should be added : 
P. giganteum (gigantic). /l., spikes nodding, solitary or in 
airs in the upper axils, slender, pedunculate. /. narrow- 
inear-lanceolate. h. 5ft. to 6ft. Habitat not recorded, 1884. 
A stove Grass. . 
P. longistylum violaceum (violet).* A variety distinguished 
from the type in having long, metallic-violet awns to the 
spike. 1888. 
P. orientale (Eastern).* 7. disposed in a spike 5in. to 16in. 
long; rachis stout, hairy, sub-terete, not grooved or notched ; 
bristles Zin. to jin. long, all very slender, flexuous, often 
purplish. 7. 1ft. to 2ft. long, din. to 4in. broad, glabrous or 
hairy. Stem 2ft. to 6ft. high, erect or ascending. Asia and 
North Africa, 1895. 
1895, p. 206), 
P. Ruppellianum (Ruppell’s). 
P. triflorum (three-flowered). 
of Nees. 
P. villosum (villous). #. white, disposed in long, dense, 
feathery spikes. Abyssinia, 1891. A species of tufted habit ; 
it may be treated as a half-hardy annual or as a greenhouse 
perennial. 
Annual. Syn. P. Ruppellianum (1. H. 
A synonym of P, orientale. 
This is a synonym of P. orientale, 
PENTACEROS. Included under Buettneria 
(which see). 
PENTACHZAETA. PP. bellidijlora is the correct 
name of P. awrea. 
PENTALOPHUS. Included under Lithospermum 
(which see). P. longiflorus is a synonym of L. angusti- 
folium. 
PENTAPHRAGMA. See Araujia. 
PENTAPHYLLON. Included under Trifolium 
(which see). 
PENTARRHAPHIA. Syn. Conradia. To the 
species described on p. 70, Vol. III., the following should 
be added : 
P. Craniolaria (Craniolaria). jl. greenish-yellow, dotted with 
black, five or six on a peduncle Sin. to 6in. long; corolla lobes 
fringed. Summer. J. petiolate, obovate-cuneiform, runcinate 
or lobed, glabrous above, hispid beneath. h. 3ft. to 4ft. St. 
Domingo. Syn. Craniolaria fruticosa. 
P. longiflora (long-flowered).* fl. bright scarlet, few in long- 
peduncled, axillary or supra-axillary cymes; corolla 14in. long. 
Summer and autumn. /. 3in. to Sin. long, ovate- or oblong- 
lanceolate, acuminate, serrulate, dark green above, pale 
beneath ; petioles sin. to Zin. long. West Indies. A small, 
sparingly-branched shrub. (B. M. 7339.) Syn. Conradia 
ventricosa. : 
PENTAS. To the species described on p. 71, 
Vol. III., the following variety should be added: 
P, carnea Quartiniana (Quartin’s).* A fine variety, flower- 
ing more freely than the typical plant. Abyssinia, 1893. 
PENTHORUM (from pente, five, and horos, a column ; 
in allusion to the five-angled, five-beaked capsule). Oxp. 
Crassulaceer. A small genus (three species) of hardy, 
erect, perennial herbs, natives of North America, China, 
&e., and allied to Sempervivum (which see for culture 
of P. sedoides). Flowers greenish, unilateral ; calyx fiye- 
partite; petals five or wanting; stamens ten; cymes 
terminal. Leaves alternate, lanceolate, acute at both 
ends, sessile, serrated. 
P. sedoides (Sedum-like). /l. pale greenish-yellow; petals 
often wanting; branches of the cyme many-flowered. July to 
September. Stem somewhat branched, angular above. North 
America (in ditches and wet places). 
PENTSTEMON. To the species and varieties de- 
scribed on pp. 71-4, Vol. III, the following should be 
added. Attractive, however, as some of the species and 
their varieties are, they are, taken generally, inferior 
to the hybrids now in cultivation and obtained from 
P. Hartwegii, P. gentianoides, and P. Cobxa. 
P. czruleus (blue). 7. blue, varying occasionally to rosy-lilac 
or white; corolla Zin. to Zin. long; th spike-like, usually 
dense. Summer. /. all lanceolate to narrowly linear (often 3in. 
long and only a line or two broad). 
P. Clevelandi (Cleveland’s). 7. crimson; corolla 3in. long, 
with a narrow throat; thyrse narrow. Summer. J. rigid, 
THE DICTIONARY 
OF GARDENING, 
Pentstemon—continued. 
oblong or ovate, acutely and rigidly toothed ; uppermost ones 
usually connate in a disk. Stem woody at base. h. 2ft. to 4ft. 
1893. 
P, Cobza purpurea (onrpley jl. rich purple, sparingly shaded 
with violet, much larger than in the type; spikes four to six on 
established plants. 1882. A charming variety. 
P. cyananthus (blue-flowered). A form of P. glaber. 
P. Douglasii (Douglas’). A form of P. Menziesii. 
P. Fendleri (Fendler’s). A synonym of P. acuminatus. 
P. gentianoides (Gentian-like). //. violet ; corolla nearly lin. 
long; panicle elongated, somewhat interrupted, leafy at base. 
July. /. 6in. or less in length, lanceolate, the upper ones broadly 
amplexicaul, acuminate, glabrous. Stem 3ft. to 4ft. high. 
Mexico, 1846. Half-hardy. 
P. gentianoides (of Lindley). A synonym of P. Hartwegii. 
P. glaber speciosus (showy).* /. of a beautiful bright blue, 
with purplish markings ; panicle spike-like, lft. long. A narrow- 
leaved form. 1827. (B. R. 1720; R. H. 1895, f. 124, and 
S. B. F. G. ser. ii, t. 259, under name of P. speciosus.) 
P. g. splendens (splendid).* jl. dark blue; inflorescence tall. 
l. spathulate, rosulate. 1895. (G. C. 1895, p. 77, f. 25, under 
name of P. Gordoni splendens). 
P. Hallii (Hall's). 1. lilac, mauve-purple, or nearly violet, five 
to fifteen in a short, spike-like thyrse; corolla fin. long, 
broadly campanulate. Summer. 7. thickish, linear and linear- 
spathulate, or the lowest broader, obtuse. A. Sin. to 12in. 
P. Jaffrayanus (Jaffray’s). A form of P. azureus. 
P. letus (pleasing). 7. blue; corolla lin. long; panicles racemi- 
form, lsft. high. uly and August. J. lanceolate or linear- 
lanceolate ; the lowest spathulate. Plant cinereous-pubescent 
or puberulent. Allied to P. Roezlit. 
P. Lewisii (Lewis's). A synonym of P. Menziesii. 
P. Lobbii (Lobb’s). A synonym of P. antirrhinoides. 
P. Menziesii (Menzies’). jl. violet-blue to pinkish-purple; 
corolla lin. or more in length; pedicels almost all one-flowered ; 
inflorescence mostly glandular- or viscid-pubescent. Summer. 
1. ovate, obovate, or oblong, tin. to lin. long, rigidly serrulate or 
entire. h. Yin. to 12in. This is also called P. M. Lewisii. 
P. M. Newberryi (Newberry’s). #. rose-purple or pink. 
(G. CG. 1872, p. 969, f. 227, under name of P. M. Robinsoni.) 
P. procerus (tall). A synonym of P. confertus ccruleo- 
purpureus. 
P. puniceus (red).* fl. of a bright rose-red or vermilion, funnel- 
shaped, 14in. long; cymelets many-fowered. June. J. thick, 
greyish; lower ones oblong or obovate, obtuse; upper ones 
sub-ovate or lanceolate, clasping. A. lft. to 6ft. Arizona, 
1889. A showy species. (R. H. 1892, f. 135.) 
P. Roezlii (Roezl’s). jl. pale blue or violet ; corolla Sin. to Zin. 
long; thyrse narrow, or more diffuse and compound. Summer, 
1. all lanceolate or linear, or the lower ones oblanceolate. 
h. Yin. to 12in. 1872. (R. G. 1872, t, 239.) Allied to P. letus. 
P. rotundifolius (round-leaved).* jl. of a bright brick-red, 
disposed in a lax panicle; corolla abont lin. long. Summer. 
2. opposite, roundish or broadly ovate, glaucous; cauline ones 
sessile. h. 2ft. Mexico, 1888. An attractive species. (B. M. 
en & F. 1888, p. 472, f. 73; G. C. 1888, iv., pp. 264-5, 
P. Scouleri (Scouler’s). A form of P. Menziesii. 
P. secundiflorus (side-flowering).* 7. blue, suffused with 
bronze on the upper surface; corolla tube abruptly dilated, 
the lips widely spreading; peduncles one- to three-flowered. 
Summer. J., radical ones spathulate; cauline ones narrow- 
lanceolate, 2in. to 3in. long. hk. lft. or more. Colorado, 1896, 
A well-marked and beautiful species. 
P. speciosus (showy). A form of P. glaber. 
P. tubiflorus (tube-flowered). #1. white or whitish, often with 
a tinge of purple; corolla funnel-shaped; thyrse twiggy, much 
interrupted. Summer. 7. oblong or oyate-lanceolate. Stem 2ft. 
to 3ft. high. Plant wholly glabrous. 
P. Watsoni (Watson’s). jl. violet-purple or partly white ; 
corolla narrow-funnel-shaped, six to eight lines ong; thyr 
contracted, rather loose. Summer. /., cauline ones oblong- 
lanceolate to ovate-lanceolate, acute or acuminate. Stems 
lft. or more in height, ascending or weak. 1896. 
Hybrids. Some of the. finest hybrids are here 
enumerated : 
AUGUSTE CAIN, CATULLE MENDES, CAVALLIER, CHARIVARI, 
CHINOISERIE, CLEVELANDIT, CONGO, DOMINO, EMILIE DESCHANEL, 
EMILIE PALADILHE, GENERAL GALLIENI, GEORGE ULRICH, 
GUILLAUME Capus, JEAN Mack, LE Borba, LEONNEE, LE 
PROPHETE, MME. FURTADO-HEINE, MATAMORE, NINON DE 
L’ENCLOS, PRESIDENT CARNOT, SANDORFF, STANISLAS. 
PENTZIA. PP. 
P. flabelliformis. 
crenata is the correct name of 
