ANALYTICAL KEY. XI 



Anthers opening lengthwise. 



Stamens as many as the petals, and opposite them. 

 Calyx-lobes valvate in the bud. . . . Rhamxace^, 21 

 Calyx-lobes small or obsolete : petals valvate. . Vitace2E, 22 



Stamens when just as many as petals alternate with them. 

 Strong-scented shrub : leaves opposite, 2-folio- 



late. ZYGOPHYLLACE.E, 17 



Strong-scented herbs : leaves lobed or compound. Geraxiace^e, 18 

 Herbs, not strong-scented. 

 Ovules 1 to 4 in each cell. 

 Leaves all simple and entire. . . . Linace2E, 16 

 Leaves all opposite, compound, and leaflets 



entire Zygophyllace^, 17 



Leaves alternate or opposite, the latter with 



divisions or leaflets not entire. . Geraxiace^e, 18 



Ovules numerous. 



Stamens on the calyx : styles 2 or 3. Saxifragace-e, 27 



Stamens on the receptacle : leaves opposite, simple. 

 Cells of the ovary as many as the sepals, 



2 Or 5 ELATIXACE2E, 13 



Cells fewer than the sepals, 3. Mollugo, in Ficoide^:, 35 



Shrubs or trees with opposite simple leaves. 

 Leaves pinnately veined, not lobed. . . CELASTRACEiE, 20 

 Leaves palmately veined, lobed. . . . Sapixdace^e, 23 



Shrubs or trees with opposite compound leaves. 



Stamens 4 to 8. Sapixdace^, 23 



Stamens 2 or rarely 3 Oleace.e, 47 



2. Ovary and fruit inferior or mainly so. 



Tendril-bearing herbs : flowers monoecious or dioecious. Cucurbitace^e, 33 

 Aquatic herbs : flowers dioecious or monandrous. Halorage^e, 29 



Shrubs or herbs* not tendril-bearing nor dioecious, nor umbelliferous. 

 Stamens as many as the small or unguiculate petals and 



opposite them. Rhamxace.e, 21 



Stamens if of the number of the petals alternate with them. 

 Styles 2 to 5, distinct or united below. 



Fruit a few-seeded pome Rosacea, 26 



Fruit a many-seeded capsule Saxifragace^e, 27 



Fruit a 1 -celled many-seeded berry. . Ribes, in Saxifragace^, 27 

 Style 1, undivided : stigmas 1 to 4. 

 Flowers in cymes or a glomerate cluster. . Corxace^:, 38 



Flowers racemose, spicate, or axillary. 



Ovary 1 -celled : herbage scabrous. . , . Loasace^e, 32 



Ovary 2 to 5-, mostly 4-celled. . . . Oxagrace^:, 31 



Herbs : flowers in umbels : styles 2 : fruit dry. . . Umbellifer^:, 36 



Herbs or shrubs : flowers in umbels : styles 4 or 5 : fruit 



berry-like Araliace^:, 37 



