Vol. I] STEWART— BOTANY OF THE GALAPAGOS ISLANDS 25 



P. pleiosoros Hook. f. (3), 166 (as pleiosorum) ; Rob. (1), 

 113. — James IsL. : Darzvin. Endemic. 



P. polypodioides (L.) Hitchcock, Rep. Mo. Bot. Gard. IV. 

 156 (1893). Acrostichum polypodioides L. Sp. PI. 1068 

 (1753). P. incanum Sw. Prod. 131 (1788); Rob. (1), 112. 

 — Albemarle Isl. : Villamil, common on the trunks of trees 

 at 600 ft. (no. 944). Charles Isl.: Darwin. Indefatiga- 

 ble Isl. : Academy Bay, on the trunks and branches of trees 

 above 425 ft. (no. 942) ; southeast side, common on tree 

 trunks at 625 ft. (no. 943). Widely distributed. 



P. squamatum L. Sp. PI. 1086 (1753); Rob. (1), 113.— 

 Abingdon Isl. : common on rocks at 450 ft., occasional on 

 the trunks and branches of trees on the upper parts of the 

 island, (no. 978). Albemarle Isl. : Iguana Cove, Snod grass 

 and Heller; Tagus Cove, common in lava crevices at 2800 ft. 

 (no. 986) ; Villamil, common on recent lava near the shore 

 and in woodland above 350 ft. Bindloe Isl. : common on 

 lava in the upper interior parts of the island (no. 971). 

 Charles Isl. : occasional in open woodland at 1000 ft., 

 abundant at 1400 ft, (no. 972). Chatham Isl.: Basso 

 Point, first seen at 900 ft. ; Wreck Bay, abundant in shady 

 woodland at 600 ft., fairly common in open country at 1700 

 ft., occasional at 2100 ft, (nos. 973-974). Duncan Isl.: 

 occurs first at 1000 ft. on the north side of the island, and at 

 700 ft. on the south side where the vegetation is bathed by 

 the fog-laden wind, common at 1300 ft. on the south side, 

 (no. 975). Hood Isl.: occasional on the southeast side of 

 cliffs at 600 ft (no. 979). Indefatigable Isl.: Academy 

 Bay, occasional at 50 ft., abundant, covering rocks in open 

 woodland, at 350-500 ft., (no. 985) ; northwest side, occa- 

 sional at 650 ft.; southeast side, occasional at 600 ft., forming 

 low brakes around 700 ft., (no. 987). James Isl.: James 

 Bay, abundant on recent lava beds above 500 ft., apparently 

 one of the first vascular plants to invade the recent lava above 

 this elevation, (no. 977). Jervis Isl.: occasional in a very 

 limited area around 1050 ft (no. 984). Narborough Isl.: 

 south side, common in the upper regions. Further distr. Mex., 

 W. Ind., northern S. Am. 



