CONSPECTUS OF THE ORDERS CONTAINED IN 

 THE FOURTH VOLUME.— SECTION 2. 



Cobort VZZZ. — Folemonlales. Corolla regular. Stamens usually as many 

 as the corolla-lobes and alternate with them. Leaves alternate. 



LXXXVIII. Hydroputllaceje. Corolla-lobes imbricate, rarely contorted. 

 Ovules 2-oo. Capsule loculicidal. Endosperm copious, flesby. Herbs or under- 

 shrubs. 



LXXXIX. Boragi> t e.e. Corolla-lobes imbricate, rarely contorted. Ovules 1-2 

 in each cell. Fruit of two or four 1— 2-seeded nutlets or pyrenes. Endosperm 

 scanty or none. Herbs, shrubs or trees. 



XC. CoxvoLVULACE.E. Corolla-lobes induplicate-valvate, or limb more or less 

 plicate. Ovules 1-2 in each cell. Fruit usually capsular, more rarely indehiscent 

 find flesby or woody. Endosperm copious, cartilaginous; embryo straight. Herbs, 

 undershrubs or shrubs, often climbing ; leafless parasites in Cuscuta. 



XCI. Solanace.e. Corolla-lobes induplicate-valvate or imbricate, or limb 

 plicate. Ovules numerous. Fruit baccate or capsular. Endosperm flesby ; embryo 

 more or less curved. 



Cobort XX. — Personates. Corolla more or less irregular or oblique 

 Stamens 5-2 ; when 5 the posticous smaller than the others or infertile. Ovary 

 superior, of 2 carpels. Ovules sometimes 2 to each carpel, usually more, often 

 numerous, if 2 superposed, or in a few genera collateral. Fruit usually a capsule. 



XCII. Scrophulariace.e. Herbs or small shrubs. Leaves alternate, opposite 

 ■or verticillate, simple. Inflorescence various. Ovary perfectly 2-celled ; ovules 

 many on axile placentas. 



XCIII. Orobanchace.e. Leafless pu-asitic herbs. Spikes or racemes terminal, 

 few- 04- many-flowered. Ovary 1-celled; placentas 4, parietal, distinct or fused in 

 pairs. 



