134 FRANZ STEPHANI AND W. W. WATTS. 
Symphyogyna rhodina Tayl. Valley of Waters, N.S.W. 
Symphyogyna semi-involucrata Aust. Valley of Waters,. 
N.S. Wales. 
Thysananthus Bowienus St., n.sp. 
Diocia maxima gracilis rigidula, in cortice pendula laxeque 
intricata. Caulis ad 25 cm. longus, regulariter remoteque pin- 
natus, ramis simplicibus, hic illic pinnula auctis. Folia caulina 
parum imbricata, oblique patula, canaliculatim concava, in plano 
oblongo-trigona, (1°67 mm. longa, supra basin 1:9 mm. lata, apice 
0-5 mm. lata) symmetrica, marginibus e basi rotundata longe 
arcuatis, Substrictis, apice trigona, angulis minute apiculatis; aliis. 
dentibus interjectis, similibus. Cellulae superae 18/18p, basales. 
14/36, trigonis nodulosis in medio et angulis parietum. Per7- 
anthia (juvenilia) late obconica, inferne nuda, superne longe ciliata,. 
rostro valido. Jolia floralia et amphigastrium florale caulinis. 
simillima. -Androecia desunt. 
Hab. Novae Hebridae (Santo): Bowie leg. (Watts, 18). 
Thysananthus hebridensis St., n.sp. Aneityum: Gunn, 
per Lillie. 
Thysananthus planus Sande. Aneityum: Gunn, per Lillie. 
Thysananthus spathulistipus Ldbg. Aneityum: Gunn, 
per Lillie. 
Trichocolea australis St. EHrskine Valley, Lord Howe 
Island: Watts, 1911. 
Trichocolea minutifolia St., n.sp. 
Sterilis pusilla flaccida, pallide virens, corticola, dense depresso-- 
caespitans. Caulis ad 25 mm. longus, ramis primariis remotis, 
5 mm. longis, dense pinnatis, pinnis 2 mm. longis, superis gradatim 
brevioribus, frondem trigonam formantibus. olva caulina imbri- 
cata, subrecte patula subquadrata, symmetrica (0°67 mm. longa et. 
lata). Discus basalis integer humillimus, unam cellulam longus, 
apice quadrifidus, laciniis setaceis, superne breviter bipinnatis, 
