18 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4TH SER. 
Owing to the fact that this fern has not reappeared in any of 
the recent collections from these islands it seems not at all 
unlikely that the specimen collected by Douglas was D. pedata 
which resembles this species very much in general appearance. 
Further distr. general in tropical regions. 
D. pedata (L.) Fée Gen. Fil. 133 (1850-1852). Pieris 
pedata L. Sp. Pl. 1075 (1753); Rob. (1), 114.—ABincpon 
IsL.: occasional above 1000 ft., reported by F. X. Williams. 
ALBEMARLE Ist.: Cowley Bay, occasional in shady places 
above 2100 ft. (no. 1001); Iguana Cove, common in shady 
places at 250 ft. (no. 1003); Tagus Cove, occasional in lava 
crevices at 4000 ft.; Villamil, common in woodland, 450-1300 
ft. (no. 1011). Cuarves Ist.: rare at 1650 ft. (no. 1006). 
CuHatHam Ist.: Wreck Bay, occasional in shady woodland at 
650 ft., and in open country at 2100 ft. around the summit of 
the mountain,(nos. 1004-1005). INDEFATIGABLE IsL.: Acad- 
emy Bay, occasional in rather open places in the vegetation 
around 300 ft., above 600 ft. it is found growing among dense 
vegetation where it is more abundant and larger than at the 
lower elevation, (no. 1008) ; southeast side, above 600 ft. (no. 
1007); northwest side, first seen at 650 ft. James IsL.: 
James Bay, occasional among rocks at 900 ft., abundant in 
woodland at 2100 ft., (nos. 1009-1010). Further distr. Mex., 
Wioolad.. SS; Am. 
Dryopteris Adans. 
D. brachyodus (Kze.) O. Ktze. Rev. Gen. Pl. II. 812 
(1891). Polypodium brachyodus Kze. Linnaea IX. 48 
(1834). Nephrodium brachyodon Hook. Sp. Fil. IV. 83 
(1862); Rob. (1), 110.—Gaxapacos Ips.: Capt. Wood. 
Further distr. Mex., W. Ind., S. Am., Old World. 
D. furcata (Kl.) O. Ktze. Rev. Gen. Pl. II. 812 (1891). 
Aspidium furcatum Kl. Linn. XX. 371 (1847). Polypodium 
paleaceum Hook. f. (3), 166; Rob. (1) 112—ALBEMARLE 
Ist.: Iguana Cove, Snodgrass and Heller; Villamil, occa- 
sional in lava caverns at 1350 ft. (no. 959). CHartuss IsL.: 
occasional on moist rocks at 1000 ft. (no. 957). CHATHAM 
