128 FRANZ STEPHANI AND W. W. WATTS. 
nudo, margine ixfero substricto nudo, apice quam basis subtriplo 
angustiore, breviter 3—4 dentato. Cellulae superae ie 
basales 27/63, trigonis magnis, parietibus validis. 
Hab. Insulae Novae Hebridae (Aneityum): Gunn legit (Watts, 
472.) | 
Plagiochila ciliata Gotts. Tangoa, Santo: Annand, 1909, 
(Hb. Watts, 7.) 
Plagiochila Ferdinandi Muelleri St. Northern Lookout 
and Mount Gower, Lord Howe Island: Watts, 1911. 
Plagiochilu fruticella Tayl. Northern Lookout, Lord 
Howe Island: Watts, 1911. 
Plagiochila Gunniana St., n.sp. Aneityum: Gunn, per 
Lillie. 
Plagiochila hebridensis St., n.sp. 
Dioica magna robusta flaccida, intense viridis, in rupibus humidis. 
dense depresso-caespitans, Caulis ad 11 cm. longus, simplex vel 
parum longeque ramosus. Folia caulina contigua, oblique patula, 
parum concava, in plano anguste oblonga, (4'5 mm. longa, medio 
2 mm. lata) symmetrica, margine supero leviter arcuato, inferne 
nudo, superne longius ciliato, margine infero substricto, superne 
irregulariter minuteque dentato, apice obtuso, similiter ciliato. 
Ceilulae superae 27/27 basales 36/54 parietibus ubique validis. 
Perianthia juvenilia vix evoluta. Yolia floralia caulinis simillima, 
fere ad basin usque spinosa. Andraecia desunt. 
Hab Insulae Novae Hebridae (Aneityum): Gunn comm, 
(Watts, 78.) 
Plagiochila heterospina St., n.sp. 
Sterilis magna robusta rigida, dilute brunnea, in cortice dense 
depresso caespitans. Caulis ad 6 cm. longus, regulariter remoteque 
bipinnatus, ramis primariis 3 cm. longis, reliquis sparsis 1 em. 
longis. olia caulina conferta, oblique patula, canaliculatim con- 
cava, in plano oblongo-trigona (4 mm. longa, supra basin 2°25 mm. 
lata) asymmetrica, antice longe decurrentia, margine swpero e basi 
