748 



CCXXIII. CONIFERS. 



TRIBE IV. GNETACE&, Lindl. 



Large or small TREES, or UNDERSHRUBS, not resinous, often sarmentose ; branches 

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

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

 (GnetumJ, 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 6-00 united into a 



Ephedra. 

 Fruit, entire and open (mag.). 



Epfadra. 

 Germinating seed. 



Ephedra. 

 Seed, cut (mag.). 



I'l-iteilra. 



Germinating see,], 

 showing the 2 coty- 

 ledons and radicle. 



