24G 



WEEDS AXD USEFUL PLAINTS. 



Order LI. COXYOLYULA'CEJi:. (Coxyolyulus Famh.y.) 



Mostly trailing or twining herhs, often with a milky juice ; leaves alternate (in Cuscuta 

 reduced to minute scales") ; flowers regular, hexandrous ; calyx of 5 imbricated persistent 

 sepals; corolla 5-plaited or 5-lobed, fsvisted or convolute in ttie bud ; ovary •2-ce\\ed (rarely 

 3-celled) with a pair of erect o^'ules in each ceU, the cells sometimes doubled by a false 

 partition between the seeds, so becoming 4-celled ; the erribryo large, curved or coiled in a 

 mucilaginous albumen. Fridt a globular 2- 6-seeded pod. 



A family containing many showy plants, some of which are cultivated for ornament. 

 The medicinal products, Jalap and' Scammony, are furnished by plants of this order. 



Vjg. 157. Common Hounds-tongue (Cynoglossum ofBcinale). 15S. Portion of the corolh 

 with the scales which close the throat." 159. ITie fruit, consisting of pricldy nutlets adher- 

 ing to the base of the style. 



