MB. W. mitten's list OF SAMOAN MOSSES. 193 



Similar to H. arcuatum, Hedw. Sp. Muse. t. 62, which is fre- 

 quently much larger than depicted in that figure,— but differing 

 (as well as from IL Junghuhnii, C. Miiller, Syn. ii. p. 506, Bryol. 

 Javan. t. 231) in its areolation composed of wider cells, and in the 

 duplicate teeth of the margins of the leaves. 



H. ARBORESCENS, Mitten in Joum. of the Proceed. Linn, Soc, 1859 



(Trachyloma). 

 Hub, Upolu, decaying tree near Lanutoo (2000 ft.). No. 111. 



Hook. f. et Wils 



Hab. Manua, on trees. No. 108. 



Hygphila Samoana, sp. n. Pulvinatim cacspitosa ; caulis hmnilis; 

 folia patentia, a basi brevi contracta ovah-oblonga, apice obtuse acuta, 

 nervo percurrente, marginibus apice crenulatis integerrimisve, ad la- 

 tera folii inflexis, celhilis superioribus minutis rotundatis viridibus, 

 basalibus paucis oblongis pellueidis majoribus. 



Hab. Tutuila, on trees. No. 1 23. 



Similar to .ff, Javanicay Nees et Blume, but more robust, and 

 the leaves towards their apices more or less distinctly crenulate 

 and not so acute. 



Spiridens aristifolius, sp. n. Caulis elongatus, superne plus minus 

 ramosus; folia a basi ovali inferne erecta caulem amplexante, re- 

 curva, patentia, subulata, sensim in acumen aristiforme subteres atte- 

 nuata, nervo superne percuiTcnte, inferne paulo supra basin obsolete, 

 marginibus incrassatis, dentibus aculeiformibus ad apicem arista? mi- 

 noribus brevioribusque, sefratis, incrassatis, lamina folii supra basin 

 erectam fasciis e seriebus duabus cellularum compositis striata et 

 transversim rugulosa; perichjetialia a basi ovaH inferne enervi con- 

 voluta, superne in aristam thecam oblongam curvatam superantera 

 producta, apice remote dentata; operculum subulatum ; peristoraium 

 dentibus pallidis angustis elongatis, internum processibus parum 

 brevioribus in membrana ad \ dentium longitudinis exscrta impositis. 



Hab. Tutuila and Upola: No. 127- Also found in the Figi Islands by 

 Milne. 



Stems from 6 to 18 inches high, more or less divided and 

 branched above, simple below. Leaves pale green or yellowish, 

 the younger slightly glossy, the older fulvous and dull ; those 

 from the middle of the stem are | an inch long, the long points 

 remaining straight when dry ; the lamina of the leaf is marked 

 ^th bands which, on cross section, are foxmd to consist of double 

 layers of cells as in the thickened margin. The capsule is about 

 2 lines long, brown, and, after maturity, shining. 



This fine Moss corresponds very nearly with S.Beimcardti, Niees, 



^IJfN. PROC— BOTAXT, VOL, I, O 



