164 APOCYNACEAE. 
GELSEMIUM. Carolina Jessamine. 
Evergreen twining woody plants with slender twigs some- 
what square at the nodes; roundish continuous white pith; op- 
posite elevated crescent-shaped or half-round leaf-scars with a 
large bundle-trace; small stipule-scars; sessile buds with several 
pairs of pointed scales; rather small short-petioled entire leaves; 
openly funnel-shaped rather large fragrant yellow gamopetalous 
perfect flowers solitary on short scaly axillary shoots; moderate 
thin-walled capsules; and relatively large winged seeds. 
Leaves lanceolate, very acute. G. sempervirens. 
BupDDLEIA, 
Deciduous half-shrubs with soft wood with minute diffused. 
ducts and fine medullary rays; slender squarish twigs; 4-sided 
homogeneous pale pith; opposite low half-round or triangular 
leaf-scars with I bundle-trace; narrow  stipule-scars; sessile 
ovoid acute somewhat spreading superposed buds with usually 2 
exposed scales; simple toothed short-stalked moderate leaves; 
small mostly lavender perfect funnel-shaped gamopetalous flow- 
ers in clusters ending the branches; and small ovoid capsules 
with minute seeds. 
1. Branches rather erect. 2. 
Branches spreading or drooping. 3. 
2. Flower clusters straight. B. Lindleyana. 
Flower clusters drooping. x B. intermedia insignis. 
3. Leaves white- or yellow-tomentose beneath. B. Davidii. 
Leaves glabrate or finely gray-tomentose. 4. 
4. Flowers lilac, in clusters scarcely 20 cm. long. B. japonica. 
Flowers violet, in longer clusters (25-30 cm.). & B. intermedia. 
Family APOCYNACEAE. Dogbane Family. 
A moderate widespread family, members of which yield Af- 
rican India rubber: one Vinca is ‘ese used in pease and 
another for window-boxes. 
Vinca. Periwinkle. 
Evergreen trailing herbs with opposite petioled rather small 
leaves; rather large perfect funnel- or salver-shaped stalked 
