48 
CATALOGUE OP PERKS. 
Fil. t. 54, 54 bis. D. coarctatum, Linlc. D. dubium, 
Sort. Asplenium Shepherdii, Sort . ; ? Sjpreng. — Tropical 
America. 
6. 13. striatum, Fresl. Asplenium striatum, Linn. ; Plum. Fit. 
t. 18, 19. I). subulatum, Sort . — Tropical America. 
7. 13. brevisorum, J. Sm .- — Jamaica. 
Vernation decumbent. 
8. 13. arborescens, Linlc ; J. Sm. Cat. Fil. Sort. Kew. 1856; 
(? Sw.)— St. Helena. 
9. D. sylvaticum, Sw. ; SchJc. Fil. t. 75 B. Callipteris sylva- 
tica, Bory. — East Indies. 
10. D. acuminatum, Fresl. Aspleninm acuminatum, Wall . — 
East Indies. 
11. 13. decussatum, J. Sm. Asplenium decussatum, Wall. 
D. Lasiopteris, Link . — East Indies. 
12. 13. thelyptroides, Fresl. Asplenium thelyptroides, Michx.; 
Schk. Fil. t. 74 B. — North America. 
67. SCOLOPENDRIUM, Sm. 
Vernation fasciculate, erect. Fronds simple entire, lobed, 
or pinnate ; frequently abnormal and plane, undulate, or with a 
comose, crested apex ; from 6 inches to 2-3 feet long. Veins 
forked ; venules free, the superior and inferior branch of each 
fascicle contiguous, parallel, and sporangiferous on their proxi- 
mate sides, constituting two linear, confluent sori, each furnished 
with a linear indusium, the free margins of which connive. 
1. S. vulgare, Sm. ; Fng. Bot. t. 1150 ; Lindl. and Moore’s 
Brit. Ferns , t. 42. S. officinarum, Sw. ; Schk. Fil. t. 83. 
Asplenium Scolopendrium, Linn. — Europe, Madeira. 
a. polyschides, Lindl. and Moore , l. c. t. 42 .f. 2. 
b. cor nut um, Lindl. and Moore , l. c. 
c. marginatum, Lindl. and Moore , l. c. t. 42. f. 3. 
d. erispum, Lindl. and Moore , l. c. t. 42. f. 4. 
e. multifidum, Lindl. and Moore , l. c. 
f. laceratum, Lindl. and Moore , l. c. t. 42. f. 10. 
