360 
ST. SELENA. 
differing chiefly in the shorter cauline leaves, which are more 
papillose, and not plicate. 
Fissidens, Hedwig Fund. ii. p. 91. 
936. *F. Helenicus, sp. nov.— Monoicus. Caulis gracilis elon- 
gatus ramosus. Folia erecto-patentia lineari-lanceolata opaca, nervo 
luteo pellucido excurrente, lamina vera usque ad medium producta 
limbo crassmsculo luteo pellucido marginata, lamina dorsalis infra 
medium laminae verse evanescens lamina apicalisque integerrima, im- 
marginata. Pedunculus brevis. Theca oblongo-pyriformis inclinata, 
operculo magno subulato. Calyptra angusta subulam operculi tegens, 
latere fissa.— Burchell, barren ; with fruit, Capt. Haughton 
Stems scarcely an inch high, with the leaves, measuring a line in 
width. Leaves two-thirds of a line long, of an mruginose green or 
ye owish colour, unaltered in appearance when dry. The seta is 
about a line and a half long. The peristome as usual in the genus. 
late 06, fa. 1 Plant of the natural size; 2, a leaf with portion 
ol the stem ; 3, the capsula with operculum and calyptra • all 
937. fF. asplenioides, Swartz.-Hab. Tristan dAcunha, Milne. 
Paiien specimens only of this very widely distributed species. 
Eustichia, Bride!, ii. 674. 
938. tB. longirostris, Brid. l.c.-Hab. Tristan dAcunha, Milne 
Speeimens small and barren, but to all appearance identical with 
the Andine Moss. The species was originally described from 
Bourbon specimens. 
Polytrichum, Dill. Linn. 
Mi,!e 8 \ tP '- J "“ Um ; Hedwi S — Tristan dAcunha, 
Milne Specrmens rather slender, with short setae, but not other- 
wise different from European states of the species. 
123. Hepatic.® [Liverworts). 
The following account has been kindly prepared by Mr. Mitten:— 
Plagiochila, Nees ab Esenbeck et Montagne. 
940. *P. insularia, S p. nov.- Caulis ascendens subsimplex. 
