76 
PLATE III. 
Fig. 30. Diplazium pallidum. Epidermis of nether surface. X 175. 
31. Blechnum egregium. Same. X 320. 
32. Polypodium affine. Surface view; upper epidermis dotted, hypodermis in 
solid lines. X 320. 
33. P. caudiforme. Upper epidermis in solid lines, hypodermis dotted. X 75. 
34. P. sinuosum. Upper epidermis in solid lines, hypodermis dotted. X 175. 
35. Lecanopteris pumila. Upper epidermis dotted, hypodermis in solid lines. 
X 175. 
36. Dryostachyum pilosum. Upper epidermis in solid lines, hypodermis 
dotted. X 320. 
37. Thayeria Cornucopia. Upper epidermis dotted, hypodermis in solid lines. 
X 75. 
PLATE IV. 
Genealogical tree of Polypodiaeese. 
