SYNOPSIS OP THE NATTTKAX OEDEES. XXXi 



44 Stamens hygogynous, scarcely attached to the corolla, 



distinct. . . .xlvii. Jiricacea (Erioese and Arbutese). 

 Stamens upon the corolla ; filaments connected. 



xii. Polygalaoete. 

 Stamens upon the coroUa, distinct 45 



45 Stamens 2. Corolla regular xlix. Oleace<x. 



Stamens 2 or 4, and didynamous. Corolla irregular. . 46 

 Stamens 4 or 5, not didynamous 47 



46 Ovary 2-celled, not lobed ; placentas central. 



Ivii. Scrophulariaceee. 

 Ovary 2 — 4^celled, lobed lix. Verhenaceoe. 



47 Cells of ovary each with 1 or 2 ovules 48 



Cells of ovary each with many ovules , . . 49 



48 Fruit fleshy, not bursting. Stigmas sessile. 



xlviii. AquifoliacecB. 

 Fruit a capsule, bursting. Styles manifest. 



liii. Convohtdacecs. 



49 Fruit a double follicle 1. Apoaynacem. 



Fruit 2- or imperfectly 4-celled. Leaves alternate. 



Iv. Solanacece. 

 Fruit 1- or imperfectly 2-cened, 2-valved. Leaves 



opposite li. Gentianacece. 



Fruit 3-celled, 3-valved lii. Polemoniacea. 



50 Flowers not in catkins 51 



Male flowers in catkins Ixxviii. Amentifer^. 



Flowers inconspicuous (rarely found) . Plant formed of 



minute leaflike fronds, floating freely. 



xciv. Lemnacece. 

 61 Ovary one, superior. Perianth sometimes wanting . . 54 



Ovary inferior 52 



Ovaries many, distinct 53 



52 Stamens 1 or 8. Fruit not bursting, 1- or 4-celled, 1- 

 or 4^seeded. Limb of perianth of female flower very 



minute xxx. Haloragacece. 



Stamens 4 or 5. Fruit not bursting, 1-celled, 1-seeded. 



Limb of perianth manifest Ixix. Santalacece. 



Stamens 4. Style filiform. Ovary 4-celLed, many- 

 seeded xxix. OnagracetB. 



Stamens 5, syngenesious xlv. Compositee. 



Stamens 6, on base of perianth. Style 1, trifld. Fl. 



dioecious Ixxxi. Dioscoreacete. 



Stamens 6 — 12, epigynous. Style short. Stigma ra- 

 diant. Ovary 3— 6-oelled, many-seeded. 



Ixx. Aristoloohiaceee. 

 Stamens 8 — 10. Styles 2. Ovary l-celled, 2-beaked. 

 many-seeded, opening like a cup. 



xxxvi. Saxifragaceee. 



