ANALYTICAL KEY. xi 



Anthers opeuiiii,' Icni^^tlnvise. 



Stamens as many us the petals, and opposite them. 

 Calyx-lohes valvate in the l)ucl. . . Uiiamnack.*:, 21 



Calyx-lol)cs small or ohsolete : i)etals valvate. . Vitaceje, 22 

 Stamens whon just as many as petals altcrnat<- with them. 

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



I'^^to. Zv'.oi-iiyllacka:, 17 



Strong-scented herbs : leaves lobed or compound. (Jluamacej;, 18 

 Herbs, not strong-scented. 

 Ovules 1 to 4 in each cell. 

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

 Leaves all opposite, compound, and leaflets 



entire '/.\r.ovn\LLACi:jE, 17 



Leaves alternate or opposite, the latter with 



divisions or leaflets not entire. . r,i:RANiACK.f:, 18 



Ovules numerous. 



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



Stamens on the receptacle : leaves opposite, simple. 

 Cells of the ovary as many as the sepals, 



2 or 5 Elatinace^, 13 



Cells fewer than the sepals, 3. MoUugo, in KicoiDEiE, 35 

 Shrubs or trees with opposite simi»le leaves. 

 Leaves pinnately veined, not lobed. . . Celastkace.k, 20 

 Leaves palmately veined, lobed, . . . Sapindace.*:, 23 

 Shrubs or trees with opposite compound leaves. 



Stamens 4 to 8. Sapixdace.e, 23 



Stamens 2 or rarely 3 Oleace.«:, 47 



2, Ovary and fruit inferior or mainlij so. 



Tendril-bearing herbs : flowers monoecious or ditecious. CuccRniXACE.E, 33 

 Aquatic herbs: flowers dicecious or monandrous. IIalorage.*, 29 



Shrubs or herbs, not tendril-bearing nor dioecious, nor umbelliferou.s. 

 Stamens as many as the small or unguiculate petals and 



opposite tliem. Riiamxace.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 Hosace.i:, 26 



Fruit a many-seeded caj)sule SA.\iiKAi;AfE.«, 27 



Fruit a 1 -celled many-seeded berry. . Ribes, in 8axi frag ace.*:, 27 

 Style 1, undivided : stigmas 1 to 4. 

 Flowers in cymes or a glomerate cluster. . Cornace.*, 38 



Flowers racemose, spicate, or axillary. 



Ovary 1-celled : herbage scabrous. . r.^iA««ACE.E, 32 



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



Herbs: flowers in umbels : styles 2 : fruit dry. . . I'MnELLiFERJE, 36 



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



berrv-like \RAi.iArE.r. 37 



