182 MB. TV. MIOYPEN's list of SAMOA?r MOSSES. 



rulata, cellulis elongatis papillis grossis, alaribus conspicuis ; perichse- 

 tialia erecta, longiora, angustiora, apice latiuscula, argute denticulata; 

 tlieca in pedunculo elongate, ovalis, pendula; peristomium internum 

 ciliis singulis brevibus ; calyptra versus apicem scabra. 

 Hab, Upolu, Matafao (1000 ft.). No. 21. 



Pale straw-coloured without gloss. Seta smootb. Nearly re- 

 Bembling T. papillatum (^Ilypninii) ^ Hornscb., but more slender. 



T. FissuM, sp. n. Dioicum ; caulis ruber,brevis, fasciculatim ramosus, 

 in csespitem latum depressum congestus; folia patentia, anguste el- 

 liptico-lanceolata, concava, acuminata, versus apicem flexuosa, margine 

 reeurva, superne serrulata, cellulis elongatis supra folii medium, 

 papillis singulis e media cellularum singularum superficie oriundis 

 punctata, cellulis alaribus conspicuis pallidis ; folia perichsetialia 

 brevia, subovata, superne bi- trifida, laciniis serrulatis ; tbeca in pe- 

 dunculo flexuoso dimidio superiore scabro, ovalis, sequalis, suberecta, 

 operculo longe subulato, peristomio dentibus crassiusculis intus tra- 

 beculatis, interne processibus sequilongis carinatis, ciliis nullis, in mem- 

 brana ad dentium longitudinis \ exserta; calyptra apice subscabra. 



Hah, Upolu, on trees. No. 116, 



A little less than T, stigmosiim^ and more yellow ; in the form 

 of its leaves closely resembling it, but sufficiently different in 

 the scabrous setae and lacerate perichsetial leaves. 



AcANTHoniUM, gen. nov. 



Caulis repens, assurgens, arcuatus, ramos fasciculatim ramulosos 



in csespites latos congestos fovens. Folia sequalia, ut plurimum 



lata, longe cuspidata, cellulis angustis alaribus conspicuis. 



Eructus e ramis oriens. Theca longe pedunculata, oblonga, in- 



£equalis, horizontalis, operculo brevirostro ; peristomium Stereo- 

 dontis, 



A. RiGiuvM, Nees et Reinw. (Hypnum),J3 ryo/. Javan. t. 238.— Hyp"""^ 

 trismegistum, Mont.—R. Calderense, SulL Amer. ExpL Exp, 1. 15? 



Hab, Tutuila, on trees and rocks in gullies on the sides of the moun- 

 tains (1200-1500 ft.). No. 55. 



A. PAPiLLATUM, Harvey in Lond. Jonrn. of Bot. 1840; Hook, Icon. 



Plant, Bar A. t. 23. f. 8 (Hypnum). 

 Hab, Tutuila. No. 125. 



■ % 



AcROPOBiUM, gen. nov. 



Caulis primarius repens, ramos elongatos ramosos in csespites con- 

 gestos prodens, Polia nitida, undique inserta, uniformia, in ra- 

 morum apicibus cuapidatim imbricata, cellulis elongatis alaribus 

 magnis conspicuis. Fructua e partibua superioribus ramorum 



