HEPATIOM AUSTRALES. L237. 
Metzgeria nitida Mitt. Mount Lidgbird, Mount Gower, 
and Saddleback, Lord Howe Island: Watts, 1911. 
Metzgeria pauciseta St., n.sp. 
Dioica, longissima, gracillima flaccida, flavicans, terricola, dense 
depresso caespitans lateque expansa. rons ad 4 cm. longa, 1 mm, 
lata, irregulariter pinnata et bipinnata, nusquam furcata, semper e 
_ latere costae ramosa vel ex apice ramorum innovata, planta itaque 
maxime articulata, articulis 4—7 mm. longis. Costa angustissima 
in sectione transversa subrotunda, antice et postice 2 cellulis tecta, 
postice nuda; alae planae, nudae, marginibus quidem sparsim 
setulosae, setulis simplicibus, strictis. Cellulae alarum 36/36p, ad 
costam 54/54u. Rami feminet obcordati, marginibus dense longe- 
que setulosis. 
Hab. Insulae Novae Hebridae (Aneityum): Gunn legit (Watts 
47¢.) 
Pallavicinius campanulatus St., n.sp. 
Dioica mediocris, pallide virens, rigidula, terricola, dense depresso 
caespitans. Fronsad 2 cm. longa, 5 mm. lata, integerrima, simplex 
velecostainnovans. Involucra campanulata, e latere costae orta, 
profundissime trifida, laciniis peers irregulariter piliferis 
sublaceratis. Reliqua desunt. 
Hab. Australia, New South Wales, (Valley of Waters): Watts 
legit, 1111. 
Pallavicinius Ridleyi St. Aneityum: Gunn, 1911 (Hb. 
Watts, 58). 6 
Physocoleus casuarinae St. On tree, Gladesville Hospital, 
Sydney, N.S. Wales. 
Plagiochila aneitiana St., n.sp. 
Sterilis major rigidula, flavo-rufescens, in cortice dense depresso 
caespitans. Caulis ad 5 cm. longus, simplex, rarissime ex apice 
furcatus. Folia caulina contigua, oblique patula, valde concava 
leviterque decurva, in plano ovato-trigona (3°5 mm. longa, medio 
2°5 mm. lata) basi utrinque longius decurrentia, asymmetrica, 
margine swpero late rotundato, regulariter denticulato, inferne 
