BOTANY. 
363 
also in Herb. Turner the specimen marked East Indies, J. D. 
(Dickson). 
Stems about one inch long, having irregular branches, with the 
leaves, a line wide. Eoliage straw-coloured, here aud there tinged 
with fulvous brown, shining, very little altered when dry. Seta 
half an inch long. Peristome with teeth in which the external 
bands are separated below ; the internal peristome is as usual in the 
genus. 
This moss, in the absence of mature calyptras, can only be 
placed doubtfully in the genus ITookeria, to which its affinities seem 
to approximate it more closely than to any other. The division of 
the external lamina towards the base of the teeth of the peristome 
and the insertion of the perichsetial leaves upon the vaginula are 
characters commonly observable in the Hookerise. The areolation 
of the leaves is far more narrow than in any of the species which 
have been placed in the genus Leucomium. 
There is a certain resemblance between this moss and the 
Hookeria Jissidentioides, Hk. et Wils. Ilk. Icon. Plant, t. 746 A, in 
which the nerves of the leaves are however far more distinct and 
elongated. 
Meiotliecium, Mitt, in Journ. Linn. Soc. 1868. 
927. fM. urceolatum, Schwsegr. t. 110 (Pterogonium). — Hab. 
Tristan d’Acunha, Aubert du Petit-Thouars. 
(Phe figure represents a moss nearly allied to the Indian A 1. mi c> o- 
carpum, but there is no mention or representation of a fold m the 
middle of the leaf, which in several of the species of this genus may 
be easily mistaken for a nerve. 
Sematopliyllum, Mitt. Journ. Linn. Soc. 1868. 
Sect. Rhaphidorrhynchum, Schimper. Bryol. Europ. 
928. *S. Helenicum, sp. nov. — Monoicum. Caulis procumbens 
laxe casspitosus rufus. Folia subcompressa vel sursum secunda, laxe 
imbricata patentia, ovato-lanceolata integerrima caviuscula, cellulis 
angustis alaribus conspicuis fulvis areolata, perichsetialia eiecta lon- 
giora acuminata integerrima. Theca in pedunculo rubro breviter 
ovalis inclinata inrequalis, operculo magno conico acummato.— On 
bark, Melliss. A bright-green moss. 
