338 PRACTICAL BOTANY. 



Style ]. Flowers all perfect. Leaves alternate. 

 Shrubs 660 



660. Ovaiy 4- to 5-celled. Fruit a drupe, or a pod. 

 Stamens 4 or 5 • 661 



Ovary 1-celled. Fruit a reddish drupe. Stamens 

 8. Perianth funnel-shaped, 4- (or 5-) toothed, wavy, or trun- 

 cate. Flowers light yellow, 3 together, from abud of 3 dark 

 hairy scales, preceding the alternate leaves. 



Dirca palustris, L. 



661. Leaves evergreen, elliptical, rusty beneath, the 

 margins replicate. Flowers all perfect. Petals 5, spreading. 

 Calyx very small, obscurely 5-toothed, or almost obsolete. 

 Stamens S. Fruit a pod. (153) Ijedum latifolium, Ait. 



Leaves deciduous, not rusty beneath, nor revolute. 

 Flowers polygamous. Fruit a berry-like drupe, black. 

 Calyx 4- or 5-cleft. Stamens 4 or 5. (103) Rhamnus. 



663. Ovary 1-celled. Fruit dry, nut-like, or a globular 

 drupe. Stamens 4 or 5. Flowers monoeciously-polygamous. 



663 

 Ovary 2-celled. Fruit a double samara with oppo- 

 site wings. Stamens 3-8. Calyx 5-cleft. Leaves deeply S- 

 lobed, silvery white or whitish. (167) Acerl 



663. Anthers introrse. Fruit a dru'pe. Calyx of the 

 perfect flowers 5-, that of the staminate 6-parted. Stamens 

 as many as the calyx-lobes. Flowers greenish, axillairy, the 

 upper fertile (solitary or in pairs) peduncled, the lower 

 staminate, clustered along the base of the young branches. 

 Leaves cordate, ovate, or very long and taper-pointed, entire 



Oeltis (TSS). 

 Anthers extrorse. Fruit nut-like, stalked in the 

 calyx, beset with irregular, rough projections. Flowers in 

 small, axillary clusters. Leaves small. 



Flanera aquatica, Gmel. (785). 



664. (654.) ,Ovary superior 665 



Ovary inferior -. . 693 



665. Perfect, staminate and pistillate (or only staminate 

 and pistillate) flowers on the same plant .666 



Flowers all perfect, and the perianth 5- or 4-parted, 

 cleft, or sepalled 668 



