EXOGENOUS OR DICOTYLEDONOUS PLANTS. 



431 



837. Ord. CaprifoIiaceSB {Honeysuckle Family). Mostly shrubs, 

 often twining, with opposite leaves, and no stipules (but Viburnum 

 often has apiiendages like them). Calyx-tube adnate to the 2-5- 

 celled ovary ; the limb 4 - 5-cleft. Corolla regular or irregular. 

 Stamens inserted on the corolla, as many as the petals of which it is 

 composed, and alternate with them, or rarely one fewer. Fruit 

 mostly a berry or drupe. Seeds pendulous, albuminous. — Ex. The 

 Honeysuckles (Lonicera), which have usually a peculiar bilabiate 

 corolla (473), the Snowberry (Symphoricarpus), Diervilla, which 

 has a capsulai" fruit, &c., compose the tribe Loxicere^, character- 

 ized by then- tubular flowers and filiform style : while the Elder 

 (Sambucus) and Viburnum, which have a rotate or urn-shaped 

 corolla, form the tribe Sambuce^. Chiefly plants of temperate 



852 



regions. Several species, such as Honeysuckle, &c., are widely 

 cultivated for ornament. They are generally bitter, and rather 

 active or nauseous in their properties. 



838. Ord. RubiaceiB {Madder Family). Shrubs or trees, or often 

 herbs, with the entire leaves either in whorls, or opposite and fur- 

 nished with stipules. Calyx-tube completely, or rarely incompletely 



FIG. 859. Branch of Lonicera (Xylosteon)oblongifolia: the two ovaries united! 860. Lo- 

 nicera (Caprifolium) parviflora. 86L A flower about the natural size. 862. Longitudinal sec- 

 tion of the ovary. 863. Longitudinal section of a magnified seed, showing the albumen and 

 minute embryo. 



