xvi SYNOPSIS OF THE NATURAL ORDERS. 



33. Cucurbit a CE^E. 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, 

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



34. Umbellifer,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. 161.) 



35. Araliace;e. Flowers of Umbelliferoz, 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. CornacEjE. 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. 



Floicers with both calyx and corolla (dichlamydeous). Petals more or 

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

 genera under the exceptional Polypetaloe. 



Exceptions. Petals free in 43 Ericaceae (11 Fyrola and 12 Monotropa) and 

 45 Pltjmbagink2S. Corolla absent in 47 Oleace^: (2 Fraxinus), and 46 

 Primijlaces; (4 Olaux). 



1. Ovary inferior. — See also 46 Primulace^ (8 Samolus). 

 * Stamens epipetalous ; see also 42 Campanulaceje (1 Lobelia). 



37. Caprifoliace.e. 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^e, 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. VALERIANE.E. Flowers irregular. Corolla-lobes imbricate. Stamens 

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

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



40. DipsacEjE. 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 exalbuminous. — Herbs, rarely shrubs ; leaves various, exstipulate ; 

 flowers small or minute, (p. 200). 



