xvi SYNOPSIS OF TEE NATURAL ORDERS. 



33. CUCURBITACE^:. Flowers regular, 1 -sexual. Calyx 5-toothed. 

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

 berry. Seeds exalbuniinous. Herbs with tendrils; leaves alternate, 

 exstipulate ; flowers showy or not. (p. 160.) 



34. UMBELLIFEE.^:. Flowers usually regular. Calyx-lobes 5 or 0. 

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

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

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

 (p. 161.) 



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

 of often more than 2 carpels. Fruit of inseparable usually fleshy carpels . 

 Leaves alternate ; flowers usually green, (p. 186.) 



36. CORNACEJB. Flowers regular. Calyx-lobes 4-5 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. 187.) 



DIVISION II. Monopet'alse 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 rnonopetalous 

 genera under the exceptional PolypetaloB. 



Exceptions. Petals free in 43 ERICACE^ (11 Pyrola and 12 Monotropa) and 

 45 PLUMBAGINE^E. Corolla absent in 47 OLEACEJS (2 Fraadnus), and 46 



PltlMTJLACEJG (4 Glaux). 



1. Ovary inferior. See also 46 PRIMTTLACE^E (8 Samolus). 

 * Stamens epipetalous ; see also 42 CAMPANULACE^: (1 Lobelia). 



37. CAPRIFOLIACE^S. Flowers regular or not. Corolla-lobes valvate 

 or imbricate in bud. Ovary 1-5-celled, cells 1- or more-ovuled. Seeds 

 albuminous. Shrubs, rarely herbs ; leaves opposite, exstipulate ; flowers 

 usually showy, (p. 188.) 



38. RUBIACE^, Tribe STELLATE. Flowers regular. Corolla-lobes 

 valvate in bud. Ovary 2-celled ; cells 1-ovuled. Seeds albuminous. 

 Herbs ; leaves whorled or opposite, exstipulate ; flowers small or minute, 

 (p. 191.) 



39. YALERIANE^E. Flowers irregular. Corolla-lobes imbricate. Stamens 

 1-3 or 5, free. Ovary 1 -3-celled, one cell 1-ovuled ; ovule pendulous. 

 Seeds exalbuniinous. Herbs ; leaves opposite ; flowers small, (p. 196.) 



40. DIPSACE.E. Flowers regular or not, in involucrate heads. Corolla- 

 lobes imbricate. Stamens 4. Ovary 1 -celled ; ovule 1, pendulous. Seeds 

 albuminous. Herbs ; leaves opposite, exstipulate ; flowers small, (p. 198.) 



41. COMPOSITE. Flowers in involucrate heads. Corolla-lobes valvate. 

 Stamens 4-5 ; anthers usually connate. Ovary 1-celled ; ovule 1, erect. 

 Seeds exalbuniinous. Herbs, rarely shrubs ; leaves various, exstipulate ; 

 flowers small or minute, (p. 200). 



