xviii SYNOPSIS OF THE NATURAL ORDERS. 



Fruit of 4 nutlets. — Hispid or scabrid herbs ; leaves alternate, quite entire, 

 exstipulate; flowers often showy, (p. 275.) 



52. Convolvulaceje. Sepals 5. Corolla 5-lobed, plaited and twisted 

 in bud. Stamens 5. Ovary 2-celled, cells 2-ovuled ; stigmas 2-fid or styles 

 2. — Herbs; leaves alternate, simple (0 in Cuscuta) ; flowers often showy, 

 (p. 283.) 



53. Solanacej3. Calyx 5-fid. Corolla 5-lobed, imbricate, plaited or 

 valvate in bud. Stamens 5, often cohering. Ovary 2-celled ; ovules 

 many, axile. Fruit a capsule or berry. — Herbs ; leaves alternate or in 

 pairs, exstipulate ; flowers small or large, (p. 286.) 



54. Plantagine^e. Sepals 4. Corolla scarious, 4-lobed, imbricate in 

 bud. Stamens 4 ; anthers pendulous. Ovary 2-4-celled ; style and stigma 

 filiform. Capsule 1-4-celled. — Herbs ; leaves alternate or radical ; flowers 

 inconspicuous. (Littorella is altogether anomalous. ) (p. 288.) 



***** Corolla irregular, rarely subregular. Stamens 2 or 4, rarely 5. Ovaty 

 1-2-celled, cells many ovuled. Leaves opposite or alternate. (See also 53 

 Solanaceae.) 



55. ScROPHULARiNEiE. Calyx 4-5-merous. Corolla often 2-lipped, 

 4-5-lobed. Stamens 4, didynamous, rarely 2 or 5. Ovary 2-celled ; ovules 

 many, axile. — Herbs ; leaves various ; flowers often showy, (p. 290.) 



56. Orobanchacejs. Sepals 4 or 5, free or connate. Corolla gaping. 

 Stamens 4, didynamous. Ovary 1-celled ; ovules many, parietal. — Herbs, 

 with alternate scales instead of leaves ; flowers rather large, brown or 

 coloured, (p. 308.) 



57. LentibularinEjE. Calyx 2-5-partite. Corolla 2-labiate. Stamens 

 2. Capsule 2-valved, many-seeded. — Marsh or water-plants ; flowers 

 rather large for the plant, (p. 310.) 



****** 



Corolla irregular. Stamens 2 or 4. Ovary 2- or 4-celled, cells 1-ovuled. 

 — Herbs or shrubs ; leaves opposite or whorled, exstipulate. 



58. Verbenace,e. Calyx cleft or toothed. Corolla tubular, often 

 2-lipped. Stamens 4. Ovary not lobed, 2-4-celled ; cells 1-ovuled. Fruit 

 a drupe, berry, or of 1-4 nutlets. — Flowers small or showy, (p. 313.) 



59. Labiate. Calyx 5-cleft or 2-lipped. Corolla usually 2-lipped. 

 Stamens 2 or 4, didynamous. Ovary of 2 2-lobed 2-celled 2-ovuled carpels. 

 Fruit of 1-4 1 -seeded nutlets. — Flowers in opposite cymes forming false 

 whorls, (p. 313.) 



Division III. Incompletse. 



(MonocMamydeffi and Achlamydese.) 



Corolla and often calyx absent. — (Petals present in some 60 Illccebraceor,. 

 For' various apetalous genera see Exceptions to the Polypetalai and Moyio- 

 petalce. 



