MANUAL OF NATURAL HISTORY. 417 



petals ; ovary l~2-celled ; styles two, long ; 

 fruit capsular, 2-valved, l~2-celled; placentae 

 parietal or central; seeds reticulated. Cliiefly 

 found in the Northern and Southern pro- 

 vinces of America, but occur sparingly also in 

 the East Indies and the Cape of Good Hope. 



TV. ORDER— Solanals (Solanales). 



Flowers dichlamydeous, monopetalous, symme- 

 trical ; placentae axile ; fruit 2~3-celled ; embryo 

 large, lying in a small quantity of albumen. 



1. Family. — Phloxes (Polemoniacese). Herbs, often 



climbing ; leaves opposite or alternate, sim- 

 ple or compound ; calyx 5-parted ; corolla 

 5-lobed; stamens five, free; pollen often blue ; 

 ovary superior, 3-celled ; style simple ; stigma 

 trifid; fruit capsular, 3-celled, 3-valved ; 

 seeds angular, oval or winged ; cotyledons 

 elliptical or cordate, foliaceous. Natives of 

 temperate latitudes, chiefly in North and 

 South America. 



2. Family. — Dodders (Cuscutacese). Parasitic, leafless, 



climbing, colourless ; flowers in dense clusters ; 

 calyx 4-5-parted ; corolla 4-5-cleft ; aestiva- 

 tion imbricate ; scales on coralline tube ; sta- 

 mens five, free ; ovary 2-celled ; stigmas two ; 

 placentae basal ; fruit capsular or baccate, 2- 

 celled ; cells 1-2-seeded ; embryo spiral, fili- 

 form ; cotyledons inconspicuous. Found in 

 the temperate parts of both hemispheres. 



3. Family. — Bindweeds (Convolvulacese). Herbs or 



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