ROBINSON: PTERIDOPHYTA OF THE HAWAIIAN ISLANDS 571 
SPECIMENS EXAMINED: Hawaii, Wilkes Expedition N; Maui, 
Lichtenthaler N ; Oahu, Robinson 49 V; 75 V; 110 V; Safford 875 N; 
Kauai, Heller 2621 C, N; Hawaiian Islands, Baldwin 97 C, N; 
Hillebrand C; Wilkes Expedition C. 
ELAPHOGLOSSUM AEMULUM (Kaulf.) Brack. Fil. U. S. Expl. Exp. 
71. 1854 
Acrostichum aemulum Kaulf. Enum. 63, 1824. 
Olfersia aemula Presl, Tent. Pterid. 235. 1836. 
Acrostichum Helleri Underw. in Heller, Minn. Bot. Stud. 1: 771. 
1897. 
TYPE LOCALITY: Oahu. 
DIsTRIBUTION: On trees at 900~—1,200 m. elevation; Tropical 
America, Africa, India, Malaysia, and Australia. 
ILLUSTRATION: Underw. in Heller, Minn. Bot. Stud. 17: 42. 
1897. 
SPECIMENS EXAMINED: Hawaii, Robinson; Oahu, Chamisso B; 
Forbes BM; Kauai, Heller 2709 C, N; Kuntze 23037 C; Hawaiian 
Islands, Gaudichaud C. 
ELAPHOGLOSSUM WAwWRAE (Luerssen) C. Chr. Ind. Fil. 318. 1906 
Elaphoglossum aemulum Brack. Fil. U. S. Expl. Exp. 71. 1854. 
Not Kaulf. Enum. Fil. 63. 1824. 
Acrostichum Wawrae Luerssen, in Wawra, Flora 58: 420. 1875. 
TYPE LOCALITY: Kauai. 
DistRIBUTION: In forests and on dry shaded rocks at 1,200 m. 
elevation; common; Hawaiian Islands. 
ILLUSTRATION: PLATE 40. 
SPECIMENS EXAMINED: Hawaii, District of Puna, Wilkes Expe- 
dition N; District of Waimea, Wilkes Expedition N; Mauna Loa, 
above 2,400 m., Wilkes Expedition N ; Maui, Lichtenthaler N; Mann 
& Brigham N; Robinson 309 V; 315 V; 355 Vi Kauai, Forbes 530 
BM; Heller 2808 C, N; Hawaiian Islands, Bailey C; Baldwin 98 
C,N; Wilkes Expedition C. 
Brackenridge named his specimens of Elaphoglossum Wawrae 
E. aemulum and gave Kaulfuss’s description of Acrostichum 
aemulum (Enum. 63. 1824), with slight changes, in his report, 
transferring the species from Acrostichum to Elaphoglossum (Brack. 
