124 DlAl'ENSIACKAE 



6. Leaves glossy, narrowly revolute, veiny. V. arboreum. 

 Leaves dull or else not revolute. 7. 



7. Leaves small (scarcely 4 cm.): twigs granular. 8. 

 Leaves larger (often 5 or 6 cm. long). 9. 



8. Loosely villous: twigs subterete. V. canadense. 

 Glabrous, or crisp-pubescent in lines. V. pennsylvanicum. 



9. Twigs somewhat granular or wrinkled. 10. 



Twigs not granular: leaves veiny beneath. V. stamineum. 



10. Tall: rather persistently hairy. V. corynibosum. 



Dwarf: twigs and leaves glabrescent. V. vacillans. 



Family DIAPENSIACEAE. 



An insignificant small family. Galax leaves are among the 

 autumnal commodities of florists. 



DlAPENSIA. , 



Evergreen matted low alpine plants with small subopposite 

 crowded sessile glabrous oblong-spatulate entire leaves; no 

 stipules; perfect white bell-shaped gamopetalous flowers, large 

 for the plant, solitary on slender scape-like peduncles; and 

 ovoid leathery capsules with small seeds. 

 Leaves revolute, outcurved. D. lapponica. 



GALAX. 



Evergreen acaulescent herbs with clustered long-stalked 

 rounded moderate glossy firm leaves bronzing in winter; small 

 and inconspicuous perfect gamopetalous racemed flowers; and 

 small capsules.- 

 Leaves wavy-margined, blunt, cordate. G. aphylla. 



PYXIDANTHERA. Pyxie. 



Low trailing evergreen suffruticose plants with crowded or 

 alternate small sessile entire leaves; numerous small white or 

 rosy open nearly sessile bell-shaped gamopetalous flowers; and 

 small rounded many-seeded capsules. 

 Leaves oblanceolate, pointed. P. barbulata. 



Family SAPOTACEAE. Sapodilla Family. 

 A chiefly tropical family members of which yield gutta 



