12 



8, Ovary funned <>t tour carpels or more. 13 

 Ovary formed of two carpels. 10 

 Ovary formed of three carpels. 



Herbs. Seeds angular, oval, or winged. Sepals united. Corolla 

 lobes twisted together in the bud. POLEMONIACE.E. p. 260. 



Shrubs. Seeds shield-like. Sepals distinct. Corolla lobes imbri- 

 cate in the bud. DIAPENSIACE.E. p. 260. 



9. Ovary having three lobes or more. BORAGINACK.K. p. 254. 



Ovary formed by two carpels. Fruit a capsule. Herbs. Albu- 

 men of seeds abundant. HYDROPHYLLACK.*:. p. 258. 



Ovary formed of four carpels, with one ovule in each. Fruit a 

 drupe. Albumen of seeds scanty. Tropical plants, mostly shrubs 

 or trees. EHRETIACE.E. 



10. Stamens four or more. H 

 Stamens two. 



Corolla four cleft. Leaves simple. Corolla valvate in the bud. 



OLEACE^E. p. 279. 



Corolla five to eight cleft, salver form, twisted or imbricate in the 

 bud. Leaves mostly compound. JASMINACE.E. p. 279. 



11. Leaves none. Parasitic, yellow stems, with a few minute scaly 

 bracts and, at length, dense clusters of flowers. Embryo thread- 

 like, coiled, acotyledonous. CUSCUTACE.E. p. 263. 

 Leaves opposite, or in whorls, sometimes wanting, and then the 



plants are green and fleshy. 12 

 Leaves alternate. 



Style two or four cleft. Fruit a drupe. Seeds without albumen. 



Trees or shrubs. CORDIACEJE. 

 Style not two cleft. Fruit a capsule, follicle, or berry. 



Seeds very numerous, provided with long silky hairs, flat, contained 

 in large follicles. Flowers in umbels. Herbs with a milky juice. 



A8CLEPIADACE.E. p. 276. 



Seeds not hairy. Leaves without stipules. 



