134 TRANSACTIONS OF THE [Sess. lxxxi 



H. cuspidatum, L. Very common in marshes and wet places by 

 ponds and streams. 



H. Schreberi, Willd. Common in heathy woods like Drumshoreland 

 and Houston, and on the upland pastures. 



Hylocomium splendens, B. & S. Bank of River Avon near Canal 

 aqueduct ; frecpient in the ujjlands. 



H. loreum, B. & S. Cocklerue and Drumshoreland, W. E. Bowdenhill. 



H. sCLUarrosum, B. & S. Common in woods, grassy banks, damp 

 j)astures. 



E. triquetrum, B. & S. Dahneny Park and Drumshoreland, W. E., 

 Bellside woods 



Ceratophyllum demersum, Linn, in the Orkney 

 Isles. By Arthur Bennett, A.L.S. 



(Read 8th February 1917.) 



Mr. Magnus Spence (autlior of the Flora Orcadensis) has 

 sent me living specimens of the above from Graemshall 

 Loch, in the south of the Mainland. I know of no certain 

 record north of Forfar, where it is plentiful in the Lochs of 

 Rescobie and Balgavies. 



But there is no cliniatal or distributional reason against 

 its occurrence to the extreme north of Scotland, as it occurs 

 in Sweden to W. Norrland in 65" N. lat., in Norway at 

 Ullenensaker in 60° 5' N. lat., and in Finland in 63° N. lat. 



Mr. Spence's specimens are also of interest, as they are 

 provided with winter-buds, or gemmae. I have looked 

 through many British and European Floras but can find 

 no mention of such. So I sent specimens to Mr. W. 

 Worsdell, F.L.S., and he kindly replied : " Many thanks 

 for sending me the winter-buds of GeraUyphyliam. They 

 seem to be known, however. I have to-day found a 

 reference to tliem in Schenk's Bioloo-ie dcs Wasserpfewachse 

 as follows : ' Irmisch found in many cases that the leaves 

 of the branch-tips became curved over one another and the 

 older internodes died off, so that the terminal buds repre- 

 sented small, loosely-compacted, isolated clumps, which 

 grow out in spring.' " 



These winter-buds seem to be very like those of JTtri- 



