748 



CCXXIII. CONIFEEiE. 



Tribe IV. GNETAGE^, Lindl. 



Large or small trees, or undeeshsubs, not resinous, often sarmentose ; branches 

 jointed-knotty, opposite or fascicled, sometimes aphyllous, slieatted at the joints, or 

 with very small setaceous leaves {Ephedra), or with oval penninerved entire leaves 

 (Gnetum), or with only 2 large permanent radical leaves {Welwitschia). Flowers 

 monoecious or dioecious, with sheaths or laciniate scales, the ? with a membranous 

 tubular bifid calyciform sheath. Stamen solitary (Gnetum), or 6-co united into a 



£pliedra. 

 Fruit, entire and open (mag.) 



Ephedra. 

 Seed, cut (mag.). 



Ephedra. 

 Germinating seed, 

 showing the 2 coty- 

 ledons and radicle. 



