AFRO-INDIAN REGIONS. 



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? (No. 6) ; frond slender, twelve to eighteen inches by an inch wide, simply 



pinnate. In the deep forest of Interior Savaii, rare. 

 Angiopteris evecta; apparently, bis (No. 1) Taheiti, being full as large. Frequent in the 



forest of Interior Savaii. 

 ? (No. 3) ; Marattioid. Cespitose, four to six feet high ; frond simply pinn., with 



the terra, segments alternate ; the segments lanceolate, acuminate, penninerved ; fr. not 



seen. Tutuila, growing on the ground in the forest. 

 Blechnum ; apparently, bis (No. 1) Taheiti, but fructification descending nearer to the 



base of segments ?. Tutuila and Savaii. 

 Gleichenia; bis (No. 1) Taheiti. But very rare; seen only on the crest of mountain-ridge 



in Tutuila, from the elevation of fifteen hundred feet to that of two thousand. 

 " Gymnogramma" (No. 1 ; compare Cheilanthoid of Taheiti). Eight inches high, under 



surface of the frond white. " Sea-rocks of Tutuila," Brackenridge. 

 Ophioglossum (pendulum); apparently, bis (No. 1) Taheiti. Pendulous from "trunks 



and branches of trees. Tutuila," Brackenridge. 

 (No. 2); of the usual habit. Growing on the ground, six to nine inches high; 



frond petioled, cordate-re niform. Tutuila, rare. 

 Antrophyum ; compare (No. 1) Taheiti. Frequent on trunks of trees on Savaii. 



(No. 2); possibly a second species. Frond lanceolate. "Upolu," Brackenridge. 



" Niphobolus" (compare Taheiti). Creeping; frond lanceolate; sori few, in two rows at 



summit of frond. " Upolu," Brackenridge. 

 (No. 3). Creeping; sori very small and numerous. On trunks of trees on 



Tutuila. 



Polypodium ; compare (No. 1 Paumotuan and Bellinghausen) coral-islands. Manua. 

 ; compare (No. 4) Taheiti, and Aspid. Frond simply pinn., the stipe woolly. Fre- 

 quent on Savaii, and on the other islands. 

 (No. 6). Much taller and narrower in proportion than coral-island sp., and not 



remarkably penninerved ; sori irregularly distributed, and rather large. Savaii. 

 (No. 7). Small, six to nine inches ; frond simply pinn. On trunks of trees on the 



mountain-ridge in Tutuila, at the elevation of eighteen hundred feet, rare. Our 



specimens of the fertile frond lost. 

 (No. 8). Four to six feet high; frond tripinnatisect, all connected except primary. 



In the forest of Interior Savaii. 

 (No. 9 ; compare Nephrodium). Habit of Aspid. exaltatum ; the segments serrate ; 



sori in two rows. " Upolu," Brackenridge. 

 Gen. Polypodioid (No. 2). A low tree-fern, only four to eight feet high; frond tripinn., 



the upper surface shining, ult. segm. sometimes auriculate, the stipe rough. On the 



mountain-ridge in Tutuila, at the elevation of fifteen hundred feet. 

 ; perhaps the same species; stipe pubescent or rough; segments ineq. and 



deeply-divided. In the forest of Interior Savaii. 

 " Microsorus " (No. 3). Habit of coral-island Polypod. ; segments penninerved. Savaii. 

 ? (No. 4) ; frond bipinnatifid, the segments dent. Upolu, and frequent also on the 



other islands. 



? (No. 5). Eight inches; stipe pubescent. Manua. 



(Cyathea? No. 1). A tree-fern, sometimes fifty feet high; frond tripinn., the segments 

 broad, and crenulate; fr. in a sort of cup. Frequent on Savaii. 



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