308 



DISTRIBUTION OF PLANTS. 



Psilotum (triquetruni, bis No. 1 Pauiiiotuan coral-islands to Taheiti). On Manua and 

 Tutuila. 



(complanatum, compare No. 2 Taheiti). " On Upolu," Rich. 



Lycopodium; compare (No. 2) Taheiti; near L. phlegmaria. Savaii. 



; bis, apparently (No. 4) Taheiti. Habit of L. clavatum ; spikes sessile. In a 



natural opening on exposed ridge in Tutuila, at the elevation of five hundred feet. 



(No. 6); a sixth species. Epidendric; stem cylindr. ; fr. axillary. Tutuila. 



(No. 7); a seventh species. Epidendric; stem quadrangular, much resembling 



that of Andromeda tetragona, dichotomously branching; one or two terminal .'spikes. 

 "Tutuila," Brackenridge. 



(Selaginella, compare No. 1 Taheiti). Hypnoid, S)nall. Manua; and seen by Mr. Brack- 

 enridge on Tutuila. 



( Durvilltci, No. 2). Hypnoid, but upright, and twelve to eighteen inches high; 



spikes terminal. Tutuila and Savaii, abounding in the forest. 

 Trichomanes (alatum. No. 2). Nine inches high ; stems fascicled and entwined; frond 



simply pinnate. In great profusion on the ground, in the forest of Interior Savaii ; 



also on Tutuila. 



(No. 3). A foot high, erect, multifid. Abundantly intermingled with the pre- 

 ceding, in the deep forest of Interior Savaii ; also on Tutuila. 



(No. 4). Two to three inches high, multifid. Creeping on trunks of trees, on 



Tutuila. 



Hymenophyllum (No. 2) ; like Trichomanes, but bristles not seen. Erect, twelve to 



eighteen inches high, multifid. On the ground, in the deep forest of Interior Savaii. 

 Nov. gen. Dicksonioid; bis (No. 1) Taheiti. Frond simply pinn. On trunks of trees on 



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

 Dicksonia (No. 4) ; congen. N. American sp. Three to five feet high, 4-pinn., delicate ; 



sori not marginal. Savaii. 



(No. 5); like N. Am. sp. ; long scattered hairs. ''Tutuila," Brackenridge. 



? (No. 6) ; frond 4-pinnate, six to eight feet, spreading, and very large. Tutuila. 



Apparently the same species on Savaii, the frond 4-pinnate, the segm. lac, and the sori 



very small. 



(No. 7) ; frond tripinn. ; fr. in cup at base ©f dentic. Savaii. 



? (No. 8); like N. Am. sp., but fr. like margin. Asplenium. "Tutuila," Brack- 

 enridge. 



Davallia; compare (No. 1 Metia to) Taheiti. On Manua and Tutuila. 

 — (bis No. 2 Taheiti). On Manua. 



( ? pectinata) ; bis?, apparently (No. 3) Taheiti. Epidendric; habit of Polypodium 



vulgare ; lower segments of the frond pinnatifid. Tutuila. 



Acrostichum aureum; bis (Brazil, and No. 2) Taheiti. On Tutuila, near the sea-shore; 

 and in marshes on Savaii. 



Schizaea (No. 2) ; near the Taheitian sp., but smaller. On mountain-ridges in Tu- 

 tuila. 



Adiantum ? (No. 3) ; or perhaps Lindsaea. One to two feet high. On the mountain-ridge 

 in Tutuila. 



— (No. 4). Twelve to eighteen inches high; a beautiful species, much divided. 



On mountains in Tutuila, at the elevation of a thousand feet. 

 (No. 5) ; frond simply pinnate, rooting at the apex. "Tutuila," Brackenridge. 



