ICONES FILICUM SINICARUM 
PLATE 71 
LEPISORUS SUBCONFLUENS Ching 
POLY PODIACEAE 
LEPISORUS SUBCONFLUENS Ching, Bull. Fan Mem. Inst. Biol. 4: 83 (1933). 
Polypodium neurodioides C. Chr. var. 4. C. Chr. Contr. U. S. Nat. Herb. 26: 319 (1931). 
Rhizome creeping, densely scaly; scales long, linear-subulate from an ovate base, 
atratous, dentate, luminae narrow, elongate, opaque with dark-colored cell-walls, lower 
part provided with broad hyaline margin, consisting narrow clear luminae with thin 
flexous walls; frond rather close together, 20-30 cm long, 5 mm broad, linear-elongate, 
gradually acuminate towards apex, margin somewhat narrowly revoluted; texture coria- 
ceous, color greenish; sor elongate-oblong, approximate, or more or less fused towards 
the leaf-apex. 
Yunnan: Alpine Regions of Silo, above Tseku, J. F. Rock 8727. Type in the 
Botanical Museum, Copenhagen, cotype in U.S. National Herbarium, Washington, D. 
C., and Herbarium of the Metropolitan Museum of Natural History, Nanking. 
An alpine species of the genus, closely related to L. vittarioides Ching, differs in 
more elongate fronds and subconfluent upper sori. 
Plate 71. Fig. 1. habit sketch (natural size). 2. peltate paraphysis from a sorus (x50). 3. scale 
from rhizome (X50). 
