146 V. F. BROTHERUS AND W. W. WATTS. 



patentia, late ovato-ligulata, breviter et late acuminata, apiculo 

 acuto terminata, marginibus apice minute serrulatis, nervis binis, 

 tenuibus, infra apicem f olii evanidis, superne dorso serratis, cellulis 

 haud incrassatis, laxiusculis, pellucidis, ovali-hexagonis, papilla 

 media alta instructis, basilaribus longioribus et laxioribus; seta 

 vix ultra 5 mm. alta, tenuissima, rubra, superne scaberrima, inferne 

 levis; theca horizontalis, minuta, atrofusca; operculum sporangio 

 brevius; calyptra apice scaberrima. 



Paama: Gunn et Frater, 1912 (Hb. Watts, 259). 



Species C. papillatae (Mont.) Mitt, affinis, sed seta superne 

 scaberrima jam dignoscenda. 



C. oblongifolia (Sull.) Jaeg. 



Tangoa, Santo: Annand, 1903 (Hb. Watts, 2). Previous range: 

 Samoa, Fiji. 



Chaetomitrium D. et M. 



0. aneitense Broth, et Watts, n.sp. 



Dioicum; gracile, csespitosum, csespitibus densis, laete viridibus 

 sericeo-nitidis; caulis elongatus, repens, dense ramosus, ramis 

 usque ad 2 cm. longis, dense foliosis, dense ramulosis, ramulis 

 adscendentibus, bvevibus ; folia ramea sursum vergentia, lanceolata, 

 acuta, marginibus recurvis, inferne minute, superne argute serratis, 

 nervis binis, brevissimis, cellulis anguste linearibus, apice papillose 

 exstante. Caetera ignota. 



Aneityum: Gunn, 1913 (Hb. Watts, 474). 



Species Ch. nematoso Broth, affinis, sed fills caulinis deficientibus 

 necnon foliis dorso minutius papillosis dignoscenda. 



C. Geheebii Broth. 



Tangoa, Santo: Bowie, 1906 (Hb. Watts, 110b, and 177, comm. 

 Murdoch). Previous range: Queensland and Papua. 



HYPOPTERYGIAOEJB. 



Cyathophorella (Broth.) Fleisch. 



C. spinosa (0. M.) Fleisch. 



Santo : Bowie, 1909 (Hb. Watts, 68). 



