426 ARRANGEMENT OF THE GENERA 



Order LIV. CONVOLVULACE^. 



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 transversely. 



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 pendulous. Fruit of four 

 achenia, or a four-celled drupe, or a berry with two or four nuts. 



CYNOGLOSSE*. 6. Symphytum, 110,117. 



1. Asperugo, 110, 118. LITHOSPEIIME.*. 



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



ANCHUSEJE. 8. Pulmonaria, 109, 197. 



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



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



5. Lycopsis, 110,118. 



Order LVI. SOLANE.E. 



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

 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, persistent, 

 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-lobed. Fruit a two-valved, many- 

 seeded capsule. 



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



Order LVIII. SCROPHULARINE^E. 



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

 lipped, or personate, imbricate. Stamens usually didynamous, some- 

 times 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. 



