SYNOPSIS OF THE NATURAL ORDERS. xiii 



29. CRASSULACE^E. Flowers regular. Calyx 4-12-lobed. Petals 4-12. 

 Stamens twice as many as the petals (except 1 Tillcea). Fruit follicular. 

 Herbs ; leaves succulent, exstipulate ; flowers small, (p. 135.) 



30. DROSERACE.E. Flowers regular. Sepals and petals 5, imbricate 

 in bud. Stamens as many, hypogynous or perigynous. Ovary 1 -celled ; 

 ovules many, parietal. Fruit capsular. Seeds albuminous. Glandular 

 herbs ; leaves radical ; flowers small, white or pink. (p. 139..) 



33. LYTHRACE.E. Flowers regular. Calyx-lobes 3-6, valvate in bud. 

 Petals 3-6, crumpled in bud. Stamens definite. Ovary 2-6-celled, cells 

 many-ovuled. Capsule many-seeded. Seeds exalbuininous.-^Ierbs ; leaves 

 opposite or whoiiecl, quite entire, exstipulate ; flowers often showy. 

 (p. 146.) 



** Ovary inferior. Stamens epigynout. 



31. HALORAGEJE. Flowers usually apetalous and 1 -sexual. Calyx-lobes 

 2-4, valvate in bud, or 0. Stamens 1 or more, definite. Ovary 1-4-celled, 

 cells l-o vuled. Seeds albuminous. Herbs, often marsh or aquatic ; leaves 

 opposite alternate or whorled, exstipulate ; flowers very inconspicuous, 

 (p. 140.) 



32. OXAGBARIEJS. Flowers usually regular. Calyx-lobes 2 or 4, valvate 

 in bud. Petals 2 or 4, twisted in bud. Stamens definite. Ovary 1- 4- 

 celled, cells 1-many-seeded. Seeds exalbuminous. Herbs; leaves oppo- 

 site or alternate, exstipulate ; flowers often showy, (p. 142.) 



34. CtrotTBBITACBJB. Flowers regular, 1 -sexual. Calyx 5-toothed. 

 Corolla 5-lobed. Stamens 3. Ovary 3-celled, many-ovuled. Fruit a 

 berry. Seeds exalbuminous. Herbs with tendrils ; leaves alternate, ex- 

 stipulate ; flowers showy or not. (p. 148.) 



35. UAIBELLIFER.E. Flowers usually regular. Calyx-lobes 5 or 0. 

 Petals 5. Stamens 5, incurved in bud. Ovary 2-celled ; styles 2 ; 

 ovules solitary. Fruit of 2 separable indehiscent dry carpels. Seeds 

 albuminous. Herbs ; leaves alternate ; flowers usually umbelled, small, 

 (p. 149.) 



36. ARALIACE.E. Flowers of Umbelliferce, but shrubs or trees ; ovary 

 of often more than 2 carpels, and fruit a berry. Leaves alternate; flowers 

 usually green, (p. 171.) 



37. COENACE^B. Flowers regular. Calyx-lobes 5 or 0. Petals 4-5. 

 Stamens 4-5. Ovary 2-celled, cells 1-ovuled ; style simple. Drupe 

 1-2-celled. Seeds albuminous. Herbs, shrubs, or trees ; leaves opposite ; 

 flowers usually small, (p. 172.) 



DIVISION II. Monopet'alje or Gamopet'alse. 



Flowers with both calyx and corolla (dichlamydeous) ; petals more or 

 less connate into a 2- or more-lobed corolla. See also various mono- 

 petalous genera under the exceptional Polypetalce. 



Exceptions : Petals free in 44 ERICACEAE (11 Pyrola and 12 Monotropa) and 59 

 PLUMBAGKEJ5. Corolla absent in 45 OLEINE.E (2 Fraxinus), and 58 PKI- 

 MULACE.E (4 Glaux). 



