3o6 INDEX 



Pteris serrulaia, SS (Fig. 619) ; sorus of 47 (Fig. 61 1) ; sorus of Pellaea intra- 



Davalha griffithiaiia, 19 (Fig. 591); margmalis, 83 (Fig. 638); sorus of 



sorus of D. pentapjiylla, 18 ; sorus of Polypodium {Phlelwdiimi) aureum, -y^i 



Dryoptertsfilix-7nas I io(Fig. 654), 251 (Fig. T2,?>) J sorus of Woodsia, 102 (Fig. 



{r\g.Tifi);?>ox\x's,oiHypolepisrepens^\o 647) 



(Fig. 587); somsoi Lindsay a linearis, 



33 (Fig. 603); sorus o{ Nephrolepis, 22 Zygomorphy of sorus, 113, 127 



(Fig. 593) ; sorus of Onoclea seftsibilis, Zygopterideae, 269 



155 (Fig. 681); sorus oiPaesiaviscosa, Zygopteris, stiff bristles of, 270 



CAMBRIDGE: PRINTED BY W. LEWIS, M.A., AT THE UNIVERSITY PRESS 



