Apospory. A =Soral-apospory of Athyrium Jilixfoeinina., 

 ti. clanssittia. Jones. Part of a pinnule with veins (?>l>) 

 id a sorus. In the latter, in place of the sporangia, prothalli 

 * formed (f>rtli) with antheridia (antk) and archegonia 

 rch). X40. B apical apospory of Polystichuin angulare, ^; 



r. pulcherrimum. Padley. A prothallus at the tip of a 

 nnule, as a direct continuation of it. gl marginal glands, c~ = the cushion. 

 20. C=the first initiation of a prothallus as in B, at the apex of a pinnule, 

 he shading indicates a vein beyond the tip of which the prothallus arises. 

 130. D a. similar growth, but borne on an elongated cylindrical process! 

 chegonia (arch) are already present. X 10. soral apospory in Polystichuni 

 tgulare, var. pnicherrunum. \ prothalloid growth bearing an antheridium 

 \ntli) and rhizoids (h) has arisen from the stalk of a sporangium. Xyo. 



E 



