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.) Fee Gen. Fil. 133 (1850-1852). Pteris 

 pedata L. Sp. PI. 1075 (1753); Rob. (1), 114.— Abingdon 

 IsL. : occasional above 1000 ft., reported by F. X. Williams. 

 Albemarle Isl. : 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). Charles Isl.: rare at 1650 ft. (no. 1006). 

 Chatham Isl. : 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., 

 W. Ind., S. Am. 



Dryopteris Adans. 



D. brachyodus (Kze.) O. Ktze. Rev. Gen. PL II. 812 

 (1891). Poly podium brachyodus Kze. Linnaea IX. 48 

 (1834). Nephrodium hrachyodon Hook. Sp. Fil. IV. 83 

 (1862); Rob. (1), 110.— Galapagos Ids.: Capt. Wood. 

 Further distr. Mex., W. Ind., S. Am., Old World. 



D. furcata (Kl.) O. Ktze. Rev. Gen. PI. II. 812 (1891). 

 Aspidium furcatum Kl. Linn. XX. 371 (1847). Poly podium 

 paleaceum Hook. f. (3), 166; Rob. (1) 112. — Albemarle 

 Isl.: Iguana Cove, Snodgrass and Heller; Villamil, occa- 

 sional in lava caverns at 1350 ft. (no. 959). Charles Isl.: 

 occasional on moist rocks at 1000 ft. (no. 957). Chatham 



