172 Ingham: New and Rare Hepatics and Mosses. 



Drs. Arnell and Persson, of Sweden, and Mr. Macvicar, of 

 Scotland, regard it as a notable variety that oug-ht to be described. 



It differs markedly from other forms of Kantia trichomanis in 

 the very decurrent leaves (giving- the stem a winged appear- 

 ance), and in the ovate and deeply-divided stipules. The very 

 flaccid habit, long stems, and peculiarly-shaped leaves, in addi- 

 tion to the striking blue-green colour are also marked features. 

 I propose, therefore, to describe the plant as a new variety 

 under the appropriate name of aquatica. 



Kantia trichomanis var. aquatica var. nov. In large, 

 pure, interlaced tufts of a peculiar blue-green colour. Stems 

 very flaccid, much-branched, and long, often attaining 60 mm., 

 or even more. Leaves very decurrent, giving a winged appear- 

 ance to the stem, of very irregular shape. Stipules ovate (not 

 rounded heart-shaped as in type) and very deeply divided. The 

 beautiful blue-green colour, such a marked feature in situ, soon 

 disappears from the plant in the dry state. I may mention that 

 Underwood's Kantia aquatica has been lately shown to be a 

 Lejeu nea. 



Habitat. — Buckden Pike, Upper Wharfedale, in Vice- 

 county 62, by W. Ingham, B.A., and J. W. H. Johnson, B.Sc, 

 of Thornhill, 31st July 1904 ; also on the moor above the source 

 of Deepdale Beck, Upper Wharfedale, in Vice-county 64, by 

 W. Ingham, B.A., and J. W. H. Johnson, B.Sc, 3rd Aug. 1904. 



Marsupella Pearsoni Schiffn. This hepatic, named by 

 Schiffner in honour of Mr. Pearson, the author of the great 

 work on the ' Hepaticse of the British Isles,' was first published 

 as a new British species in the April number of the ' Journal of 

 Botany' for 1905. On reading the account in the Journal, I at 

 once made one of my gatherings in Teesdale to be the new 

 species, and Mr. Macvicar says mine is certainly the right plant. 

 In the 'Journal of Botany' it is shortly described as follows : — 

 ' It resembles M. eniarginata in size and habit, but is readily 

 disting'uished from that species by its shiny leaves, which are 

 round, wich the sinus broad and shallow, sometimes scarcely 

 apparent ; lobes round or with an apiculus ; cells with very 

 strongly thickened walls, which give them a guttulate appear- 

 ance.' Mr. Pearson mentions that the plant grows on exposed 

 rocks in somewhat swampy places at about 1,000 feet altitude. 



Habitats. — Borrowdale, Cumberland, April 1S93 ; Rossett 

 Ghyll, Westmorland, and on Snowdon, 1904, all by Mr. 

 Pearson. Kilmun Hills, Argyllshire, October 1904, by C. Scott ; 

 White Force, Teesdale, Yorkshire, 5th June 1S97, by W. Ingham. 



Naturalist, 



