DIV. n 



GYMXOSPERMAE 



603 



pollination in the case of Ephedra campylopoda. On the development of the 

 sexual generation cf. p. 569. 



B 



FIG. 596. A, Ephedra altissima. Male flower (x 16, after STRASBCRGEB) ; pg, perigone; 6, leaf. 

 B, Gnctum Gnemon, longitudinal section of a female flower (x 32, after LOTSY); n, nucellus ; 

 ii, inner, and ai, outer integuments ; pg, integument-like investment or perianth 



FIG. 597. Outturn Gnemon. Branch with male inflorescences, (k nat, size.) 



