OF ORNAMENTAL PERENNIALS. 229 
1.— TROXIMON GLAUCUM, Pursh. THE GLAUCOUS-LEAVED TROXIMON. 
Engravings. — Bot. Mag. t. 3462. 
Spf-cific Character. — Leaves lanceolate, attenuated towards the lower part, sligiitly deatated. Flowers large ; corolla hairy at the mouth. 
Description, &c. — There are two plants figured in the Botanical Magazine under the name of Troximon 
glaucum, but which are so different from each other as to agree only in the circumstance of both having glaucous 
leaves. Thus the name of glaucum will apply to both ; but it appears now decided that the plant with the 
largest flowers shall be called T. fflaucum, and the other T, cuspidatum, though the leaves of the second species 
are more glaucous than the first. T. glaucum is then a strong-growing plant, with numerous radical leaves, 
eight or ten inches long, and no proper stem. Numerous flower-scapes, however, rise from the radical leaves, 
each bearing a large bright yellow flower. The involucre consists of numerous scales, the outer ones of which 
are thickly covered with white woolly hairs. The whole plant abounds in milky juice. The root is fleshy, 
sending out numerous runners, by which the plant is rapidly increased. It is a native of the Rocky Mountains, 
in N. America, whence it was introduced from seeds gathered by Mr. Drummond, who accompanied Sir John 
Franklin's land expedition in search of the North-west Passage. 
2.— TROXIMON CUSPIDATUM, Pursh. THE CUSPIDATE TROXIMON. 
Synonymes. — T. glaucum, 5'ims.,- T. marginatum, A'^u^i. I Specific Character. — Scape, one-flowered. Outer scales of the 
Engravings. — Bot. Mag. t. 1667. | involucre cuspidate. Leaves, liuear, entire, and very glaucous. 
Description, &c. — This plant is very different from the preceding species ; as, instead of the root-leaves 
forming a sort of tuft, they stand erect, and partially sheath the flower-scape. The leaves themselves are 
extremely glaucous, with a very broad white mid-rib, which is prominent on the upper side ; and tliey are 
slightly tinged with pink below. The outer scales of the involucre are few ; they are a deep purple, and in shape 
resemble the cusps of a Gothic window. The flowers are a bright yellow, and the anthers are dark orange. The 
plant is a native of the banks of the Missouri, in North America, and was introduced in 1811. It flowers 
in May. 
CHAPTER XXVII. 
CAMPANULACEJE. 
Character of the Order. — Calyx superior, usually five-lobcd, 
persistent. Corolla monopetalous, inserted into the top of the calyx, 
usually five-lobed, withering on the fruit, regular asstivation valvate. 
Stamens inserted into the calyx alternately with the lobes of the 
corolla, to wliich they are equal in number. Anthers two-celled, 
distinct. Pollen spherical. Ovary inferior, with two or more poly- 
spermous cells opposite the stamens, or with as many lobes as there 
are cells. Fruit dry, crowned by the withered calyx and corolla, 
dehiscing by lateral irregular apertures or by valves at the apex, always 
loculicidal. Seeds numerous, attached to a placenta in the axis ; 
embryo straight, in the axis fleshy albumen ; radicle inferior. — 
{Lindley.) 
Description, &c. — There are about twenty-one genera comprised in this order, the greater part of which are 
herbaceous plants, and the rest under-shrubs ; they all abound in a white milky juice; and about half of them 
are hardy. The leaves are generally alternate, without stipules. Tlie flowers are usually blue or white, and 
very rarely yellow. The name of Campanulaceae is taken from the genus Campanula, the flowers of which are 
