Polemontacee—FP olemonium. 411 
A native of Central and Northern England and Europe, North 
Asia, and North America. 
2. P. pulchérrimum.— A dwarfer less foliaceous species 
scarcely attaining a foot in height. Leaflets smaller, obtuse. 
Flowers bright. blue, smaller, but more numerous than in the 
preceding. A native of North America, blooming in Summer. 
P. réptans, hivmile, ete., are other North American species 
of dwarf spreading habit and blue or white flowers. The former 
is desirable on account of its early flowering season. 
5. COBAIA, 
Tall climbing rapid-growing perennials. Leaves pinnate, 
composed of 2 or 3 pairs of leaflets, and a terminal tendril. 
Fig. 175, Cobzea scandens. Gf nat. size.) 
Flowers large, campanulate, solitary and axillary. Calyx 
foliaceous, persistent. Stamens and style declinate. Cells of 
