OF ORNAMENTAL ANNUALS. 
215 
GENUS III. 
CENTRANTHUS, Dufr. THE SPURRED VALERIAN. 
Lin. Syst. MONANDRIA MONOGYNIA. 
Generic Character. —Limb of calyx involute at the time of I and a regular 5-lobed limb. Stamen one. Fruit indehiscent, 1-celled, 
flowering, but afterwards evolute and deciduous, of many feathered and 1-seeded at maturity.—(G. Don.) 
bristles. Corolla witli a narrow tube, which is spurred at the base, 
CENTRANTHUS CALCITRAPA, Dufr. WATER CALTIIOP-LEAVED SPURRED VALERIAN. 
Synonyjies. —Valeriana calitrapa, Lin.; V. annua, Gray;? V. I Specific Character. — Radical leaves ovate, entire, or lyrate ; upper 
orbiculata. Sib. et Smith. I ones pinnatifid; flowers rather panicled ; spur very short.-— (G. Don.) 
Description, &c. — Closely resembling the beautiful red-spurred Valerian, so common on the chalk cliffs near 
Greenhithe and Gravesend, but with white flowers tinged with pink. A native of the banks of the Mediter¬ 
ranean, introduced in 1683. The seeds are common in the seed-shops, and they do best sown in light calcareous 
soil, in an open airy situation. They require abundance of light and air, and but little water. 
CHAPTER NXXVII. 
HYDROPHYLLACE7E. 
Essential Character. —Calyx 5-cleft, persistent, the recesses 
between the segments usually furnished with reflexed appendages. 
Corolla monopetalous. Stamens 5, perigynous. Anthers versatile. 
Style bifid. Capsule 2-valved, often 2-celled, in consequence of the 
large placenta filling the capsule. Albumen cartilaginous. Elegant 
Description, &c. —This order was comparatively 
herbs, but hairy like those of Boraginacea;. Leaves alternate, usually 
lobed, the lower ones opposite. Flowers blue or pink, disposed in 
one-sided, somewhat dichotomous spikes or racemes, which are scarpoid 
before the expansion of the flowers.— (G. Don.) 
unknown to the lovers of ornamental flowers till the 
beautiful Californian annuals belonging to it were sent home by Douglas, but now everybody who has seen the 
Nemophilas , Eutocas , and Phacelias , will feel an interest in the order to which they belong. The name of 
Hydrophyllacea is derived from that of the genus Hydrophyllum, literally Water-leaf, in allusion to the plants 
having leaves so curved as to retain water standing in them. All the plants belonging to the order grow best in 
moist shady situations. 
GENUS I. 
ELLISIA, Lin. THE ELLISIA. 
Lin. Syst. PENTANDRIA MONOGYNIA. 
Generic Character. —Calyx without appendages. Corolline processes 10, short, or wanting. Stamens rather shorter than the corolla. 
Placentas large, biovulate.—(G. Don.) 
ELLISIA NYCTELEA, Lin. CUT-LEAVED ELLISIA. 
Synonyme. —Polcmonium Nyctelea, Ehret. 
Specific Character _Petioles without appendages ; leaves pinnatifid, with cut lobes; calyx increasing much after florescence.—(G. Don.) 
Description, &c.— A low plant, with large downy leaves, and star-like flowers, which are white, with very 
small purple dots. It is a native of Virginia, and was introduced in 1755. The genus was named by Linnaeus 
