CCXXIII. 



749 



Welwitschia. 

 Entire plant, l-18th natural size ; furnished with its cotyledons, which take the place of leaves. 



Welwitschia. 



inflorescence with. 



its bracts. 



Welwitschia. 

 flower, deprived of its 

 bracts. 



Welwitschia. 2 flower, laid open. 



Welwitschia. 

 Ripe cone, natural size. 



Welwitschia. Welwitschia. 



Ovule, showing the nucleus Scale of a young cone, and 

 and its integuments nucleus before the appearance 

 developed. of the integuments. 



Welwitschia. 

 Ovules cut vertically. 



