JOHNSTON: FLORA OF MARGARITA ISLAND. 183 



HolL, p. 149 (1810). — Juan Griego trail, alt. 450 m., Johnston, no. 

 194, July 19. Tropical and subtropical regions of both hemispheres. 

 Rare in the southern United States. 



D. PUBESCENS (L.) Ktze., Rev. gen., vol. 2, p. 813 (1891). 

 Polypodium pubescens L., Syst. nat., ed. 10, vol. 2, p. 1327 (1759). — 

 Juan Griego trail, alt. 450 m., Johnston, no. 195, Aug. 12-15. The 

 specimens are broader and less produced than the t\'pical Jamaican 

 form. West Indies. 



D. ]Mercurii (A. Br.) Hieron., Hedwigia, vol. 46, p. 335, pi. 5, 

 fig. 9 (1907). Aspidium Mercurii A. Br. ex Christ., Bull. herb. 

 Boiss., ser. 2, vol. 6, p. 58 (1906), name only. — Juan Griego trail, 

 alt. 450 m., Johnston, no. 190, July 29. Determined by Christensen, 

 who attributes the species also to ^Mexico, Costa Rica, Colombia, and 

 Ecuador. 



[D. TETRAGOXA (Sw.) Urb., Symb. Ant., vol. 4, p. 20 (1903). Poly- 

 podium tetragonum Sw., Prod. veg. Ind. Occ, p. 132 (1788). — Stated 

 by Urb., I. c, to grow on ^Margarita Island, a report based upon 

 material collected by Miller & Johnston in 1901.] 



D. viLLOSA (L.) Ktze., Rev. gen., vol. 2, p. 314 (1891). Poly- 

 podium villosum L., Sp. pL, vol. 2, p. 1093 (1753). Nephrodium 

 villosum Presl, Rel. Haenk., vol. 1, p. 38 (1825). Juan Griego trail, 

 alt. 450 m., Johnston, no. 187 in part, July 29. Tropical America. 



Meniscium Schreb. 



M. RETicuLATUM (L.) Sw. in Schrad., Journ. bot., 1801, pt. 1, p. 

 274 (1803). Polypodium reticulatum L., Syst. nat., ed. 10, vol. 2, 

 p. 1325 (1759). Nephrodium reticulatum Keyserling, Pol. Cyath. 

 herb. Bung., p. 49 (1873). Dryopteris reticulata Urb., S\Tiib. Ant., 

 vol. 4, p. 22 (1903).— EI Valle, Miller & Johnston, no. 156, Aug. 16; 

 Juan Griego trail, alt. 450 m., Johnston, no. 166, July 22. Tropical 

 America. 



Olfersia Raddi. 



O. CERViNA (L.) Kunze, Flora, vol. 7, pt. 1, p. 312 (1824). Os- 

 munda cervina L., Sp. pi., vol. 2, p. 1065 (1753). Polyhotrya cervina 

 Kaulf., Enum. Fil., p. 55 (1824). — Juan Griego trail, alt. 450 m., 

 Johnston, no. 152, July 31. Tropical America. 



Tectaria Cav. 



T. heracleifolia CVVilld.) Underw., Bull. Torr. bot. club, vol. 33, 

 p. 200 (1906). Aspidium her aclei folium Willd., Sp. pi., vol. 5, p. 217 



