112 PROCEEDINGS OF THE AMERICAN ACADEMY. 



und much more tliorough collectors who liave visited the archipelago. 

 Further distrib. Southern U. S., Mex., W. Ind., S. Am., "Australia." 



P. CRASsiFOLiuM, L. Sp. 1083 (1753); Hook. Sp. Fil. v. 62; Hemsl. 

 Biol. Cent.-Am. Bot. iii. 656 ; N. E. Brown, Trans. Linn. Sec. ser. 2, 

 vi.. 85. P. coriaceum, Raddi, Fil. Bras. 16, t. 25. Pleuridiuiii crussi- 

 folium, Fee, Gen. Fil. 273. — Galapagos Ids.: Capt. Wood (hh. Kew). 

 Further distrib. Mex., W. Ind. to Peru and Brazil. 



P. INCANUM, Sw. Prodr. 131 (1788); Hook. Sp. Fil. iv. 208. 

 Acrosticliuvi jioJyiwdioidcs, L. Sp. 1068 (1753). Mavf/inaria incana, 

 Presl, Tent. Pterid. 188 (1836); Hook. f. (3), 166; Anderss. (1), 127, 

 & (2), 38 (where P. incisum, Sw., is incorrectly given as a synonym, 

 instead of the correct P. incanuni, Svi ^ . — Galapagos Ids.: Capt. 

 Wood, ace. to Hook. 1. c. Albemarle Isl. : Macrae. Charles Isl. : 

 Darwbi. Further distrib. U. S., Mex., W. Ind., S. Am., Trop. Afr. 



P. LANCEOLATUM, L. Sp. 1082 (1753). P. macrocarpum, Willd. Sp. 

 PI. V. 147 (1810). P. lepidotuni, Willd. in Schlecht. Adumbr. 17, t. 8 

 (1825). Pleopeltis ensifolia. Hook. Ex. Fl. t. 62 (1823). P. macro- 

 carpa, Kaulf. Euum. Fil. 245 (1824); Hook. f. (3), 167; Anderss. 

 (1), 127, & (2), 39. P. lanceolata, Presl, Tent. Pterid. 193 (1836) ; 

 Anderss. (1), 128, & (2), 39. P. lepidota, Hook. f. (3), 167; Anderss. 

 (1), 126, & (2), 39. Lepieystis lanceolata^ Dials in Engl. & Prantl, 

 Nat. Pflanzenf. i. Abt. 4, 323 (1899). — Albemarle Isl.: Iguana 

 Cove, on trees and bushes, alt. 310 m., Snodyrass & Hellar, no. 127 

 (hb. Gr.). Charles Isl. : Darwin ; in upper shaded region, Anders- 

 son. James Isl. : Darwin. Further distrib. trop. of both hemispheres. 



P. lepidopteris, Kunze, Linnaea, xiii. 132 (1839) ; Hook. Sp. Fil. 

 iv. 211; Hook. & Bak. Syn. Fil. 346. Acrostic/mm lepidoptej^is, 

 Langsd. & Fisch. P"il. i. 5, t. 2 (1810). — Galapagos Ids.: Capt. 

 Wood, ace. to Hook., 1. c. Further distrib. general in trop. Am. 



P. LORiCEUM, L. Sp. 1086 (1753) ; Hook. Sp. Fil. v. 21. P. jmnc- 

 tulatiim, Hook. Ic. PI. t. 720 (1848). Goniopldehium loriceum, J. Sm. 

 in Hook. Gen. Fil. under t. 51 (1838) ; Moore, Ind. Fil. 392. — Gala- 

 pagos Ids. : ace. to Moore, 1. c. Further distrib. general in trop. Am. 



P. paleaceum, Hook. f. (3), 166; ? Anderss. (1), 126, «& (2), 38; 

 ? Hook. Sp. Fil. iv. 261. ? Alsojyhila sp., Rob. & Greenm. (1), 149. 

 — Charles Isl. : Darwin. James Isl. : Darwin. Endemic. To 

 this species I would doubtfully refer specimens from Albemarle Isl., 

 Iguana Cove, Snodgrass & HeJlcr, no. 113 (hb. Gr.) ; Charles Isl., 

 Andersson, Lee (hb. U. S. Nat. Mus.) ; and Chatham Isl., southwest 



