426 ARRANGEMENT OF THE GENERA 





Order LIV. CONVOLVULACEjE. 



Calyx inferior, four- or five-parted, persistent. Corolla four- or 

 five-parted, regular, plaited, deciduous. Stamens five, from near 

 the base of the corolla. Ovary with from two to four cells, few- 

 seeded; style one, rarely two. Capsule four-celled, the valves 

 separating from the edges of the dissepiment, or opening trans- 

 versely. 



1. Convolvulus, 110, 123. 2. Cuscuta, 111, 139. 



Order LV. BORAGINE^E. 



Calyx four- or five-parted, persistent. Corolla four- or five- 

 parted, commonly regular. Stamens five, inserted upon the 

 corolla. Ovary four-parted, four-seeded, with the ovules pendu- 

 lous. Fruit of four achenia, or a four-celled drupe, or a berry 

 with two or four nuts. 



CYNOGLOSSE^E. 6. Symphytum, 110, 117. 



1. Asperugo, 110, 118. LITHOSPERME.E. 



2. Cynoglossum, 110, 116. 7. Echium, 109, 119. 



ANCHUSE^E. 8. Pulmonaria, 109, 117. 



3. Borago, 110, 118. 9. Lithospermum, 109, 115. 



4. Anchusa, 110, 116. 10. Myosotis, 110, 114. 



5. Lycopsis, 110, 118. 



Order LVI. SOLANE^. 



Calyx inferior, four- or five-parted, persistent. Corolla regular, 

 r slightly irregular, five- cleft, deciduous. Stamens alternate with 

 the segments of the corolla. Ovary two-celled, stigma simple. 

 Pericarp with one, two, or four cells : seeds numerous. 



1. Datura. 4. Hyoscyamus, 110, 129. 



2. Solanum, 110, 130. 5. Verbascum, 110, 128. 



3. Atropa, 111, 130. 



Order LVII. OROBANCHE^E. 



Calyx variously divided, persistent. Corolla irregular, persist- 

 ent, usually two-lipped. Stamen didynamous, anthers two-celled, 

 with the cells distinct, parallel. Ovary in a fleshy disk, one- 

 celled, with two or more parietal placentae; stigma two-]obed. 

 Fruit a two-valved, many-seeded capsule. 



1. Orobanche, 242, 262. 2. Latlmca, 242, 257. 



Order LVIII. SCHOPHULARINE^E. 



Calyx four- or five-parted, persistent. Corolla irregular, or two- 

 lipped, or personate, imbricate. Stamens usually didynamous, 

 sometimes two on the corolla. Ovary free, two-celled ; style 

 simple, stigma two-lobed. Fruit a two-celled capsule, with central 

 placenta. 



Stamens didynamous. 7. Pedicularis, 242, 257. 



1. Digitalis, 242, 260. 8. Rhinanthus, 242, 255. 



2. Antirrhinum, 242, 259. 9. Bartsia, 242, 254. 



3. Linaria, 242, 258. 10. Euphrasia, 242, 255. 



4. Scrophularia, 242, 259. 11. Sibthorpia, 242, 261. 



5. Limosella, 242, 261. Stamens two. 



6. Melampyrum, 242, 256. 12. Veronica, 49, 50. 



