Fis 33 Embryogeny in Osmunda and Matonia 

 A, Os.n.uia cLno.ea. A-he^nium h. 1.^ with ^^^^^^^^ 

 O. claytoniana. B A-'jegomunW^Mn l.s-^^^^^^^^ , shoot apex; 



Older embryo; I-I, H-H, hrst ^"^^^^ „,^ embryo- note conspicuous develop- 

 /, apex of first l-f , ;;, -ot ; / foot^ of p^othallus sowing lateral positK>n of env 

 ment of foot^ E, Transverse ^e^^'°" ° J" ^^^ p. Well-developed embryo, with 

 bryo (after Campbell). l-L, O. cimamomea r, ^ i^ating spores (after 

 lar'ge foot. G, M, Early stages ^-^^'^l.^l^llj^^ ^ 

 ^^-^^^"^Ar.intTXxToS\B^t t mrD!"x fsO; E, x 50.) 



