610 MR. C. B. CLARKE ON THE FERNS OF NORTHERN INDIA. 
PrATE LXXIV. 
Fig. 1. Nephrodium glandulosum, Hook., from Blume’s Java example of Aspidium glandulosum, Blume; 
basal portion of a frond, nat. size. 
Fig. 2. Nephrodium glandulosum, Hook., var. lete-strigosa, C. B. Clarke, from a Chittagong example; 
basal portion of a frond, nat. size. 
Prate LXXV. 
Nephrodium membranifolium, Presl.—A. Var. typica, from Chittagong; a fruiting (small) frond, nat. 
size. B,C. Var. dimorpha, from Sylhet; b, basal pinna of a barren frond, nat. size; 
c, basal portion of a fertile frond, nat. size. 
Dapp LX XVI. 
Nephrodium Wightii, C. B. Clarke, from Wight’s Deccan examples. The barren and fertile fronds 
depicted (nat. size) have been pasted down on one sheet, and I do not doubt were collected 
by Wight as of one fern. 
PuatTe LX XVII. 
Nephrodium mullicaudatum, C. B. Clarke, from a Jaintea Terai example; stipe together with the 
lowest secondary pinna of the lowest primary pinna of the frond, nat. size. 
Prag LXXVIII. 
Nephrolepis volubilis, J. Smith, from Hooker’s Sylhet example.—4A. Portion from the upper part of 
the scandent rhizome with barren fronds, nat. size. B. Fragment of a barren frond, from a 
lower part of the scandent rhizome, nat. size. 
Pratt LX XIX. 
Fig. 1. Polypodium distans, Don, var. minor, from a Sikkim example; a frond in fruit, nat. size. 
Fig. 2. Polypodium appendiculatum, Bedd., var. squamestipes, from a Sikkim example ; lower half of a 
frond, nat. size. 
Puate LXXX. 
Fig. 1. Polypodium subtripinnatum, C. B. Clarke, from a Neebay (Sikkim) example; basal portion e. 
one of the lower pinnz of the frond, nat. size. 
Fig. 2. Polypodium subdigitatum, Blume, from a Sikkim example ; ultimate pinna, magn. 5 diam. 
PrATE LXX XI. 
Polypodium chattagramicum, C. B. Clarke, from a Chittagong example; rhizome with one barren and ` 
one fertile frond, nat. size. | 
Prate LX XXII. 
Fig. 1. Polypodium clathratum, C. B. Clarke, from a Kashmir example.—A. Rhizome with three fronds, - 
nat. size. B. Clathrate scale from the sorus, magn. 8 diam. | 
Fig. 2. Polypodium subamenum, C. B. Clarke, from a Sikkim example.—A. Rhizome with one frond, 7 
nat. size. B. Scale from the rhizome, magn. 8 diam. D 
Fig. 3. Polypodium membranaceum, Don, from a Sikkim example; fragment of a frond, nat. size (showing ` 
| the venation and arrangement of the sori). | SS 
Fig. 4. Polypodium Jaintense, C. B. Clarke, from a Jaintea example; rhizome with one fertile and one 
