OF ORNAMENTAL PERENNIALS. 27 1 
6.— POLEMONIUM PULCHERRIMUM, Hook. THE PRETTIEST POLEMONIUM. 
Ekgiuvinq. Bot. Mag. t. 2979. I calyx pubescent ; leaflets ovate, glabrous ; panicles suo-corymbose ; 
Specific Charicter. — Stems numerous, ascending ; segments of the I segments of the corolla oval, subacute. 
Description, &c. — The root of this species is partly subfusiform and partly fibrous ; the tap root being 
very much attenuated at the base, and striking deeply into the earth. There are numerous slender stems, which 
are much branched, and which bear a great quantity of flowers, having very small leaflets. The flowers are 
very numerous, and they are produced in small terminal corymbs. The species is a native of the Eocky 
Mountains of North America, whence it was introduced in 1827, and where there is a variety with white 
flowers. Both are perfectly hardy in British gardens. The following observations, extracted from the Bot, 
Mag., point out the more important difierences and peculiarities of this plant : — " In size it comes nearest to P. 
Richardsonii, but it is more tufted in its growth, having smaller and shorter leaflets, numerous and ascending 
stems, much smaller and difierently-coloured flowers, with their segments greatly narrower, and truly oval. 
The bright colour of the blossoms is retained long after the plant is dried." It should be grown in moist gravelly 
soil, which should never be sufi'ered to become too dry. 
7.— POLEMONIUM REPTANS, Lin. THE CREEPING GREEK VALERIAN. 
Enokavimq. — Bot. Mag. t. 1887. | pinnate ; leailet§ geven, ovate, acute, glabrous ; flowers nodding ; seg- 
SpEciric Character. — Root creeping ; stems leafy, glabrous ; leaves | ments of the corolla wedge-siiaped. 
Description, &c. — This is a very pretty little plant, with a creeping stem, and the flowers in a loose 
panicled corymb, varying from dark-blue to white. It is a native of North America, whence it was introduced 
in 1758. It is of easy culture in any common garden soil, but it is best adapted for rockwork. 
OTHER SPECIES OF POLEMONIUM. 
P. GRACILE, WiUd. 
A native of Dahuria, with pale-blue flowers ; nearly allied to the common species. Introduced in 1828. 
P. PULCHELLUM, Bunge. 
A dwarf plant ; a native of Siberia, with blue flowers, having white anthers and stigma. There is a variety 
the flowers of which are white. This species has not yet been introduced. 
P. ACUTIFLORUM, WiUd. 
A native of the North-west coast of America ; not introduced. This is the same as the P. horeale of Adams. 
P. MOSCHATUM, Worm. 
Nearly allied to P. Richardsonii, but with a musky scent. A native of North America ; introduced in 1827. 
GENUS II. 
PHLOX, Lin. THE PHLOX. 
Lin. Syst. PENTANDRIA MONOGYNIA. 
Generic Character Calyx deeply five-cleft, connivent. Corolla I cuneated segments. Stamens inserted above the middle of the tube. 
•alver-shaped ; tube elongated; limb twisted in asstiviition, with | Cells of capsule one-seeded. (G.Don.) 
Description, &c. — The species are herbaceous perennial plants, sometimes, but rarely, becoming shrubby 
at the base, with simple leaves, which are generally opposite. The flowers are terminal, and are generally 
