CONTENTS. 



PAQK 



Proceedings for Session 1916-1917 . . . . . . . . vii 



On the AflBnities oi Sedtim Praegerianum, W. W, Sm. , with a Tentative 

 Classification of the Section Rhodiola. By R. Lloyd Praeger, B. A. 

 (Plates II-IV) 107 



Cavea: a New Genus of the Conipositae from the East Himalaya. By 



W. W. Smith, M. A., and James Small, M.Sc. (Plate V) . . 119 



Mossesof West Lothian (V.C. 84). By J. C. Adam .... 123 



Ceratophyllum demersum, Linn., in the Orkney Isles. By Arthur 



Bennett, A.L.S 134 



Ule.'- nanus, FoTSt., in CsLithness. By Arthur Bennett, A.L.S. . . 135 



Note on Insect Visitors to Corallorhha innata and some other Orchids 



in the Forth District. By William Kvans, F.R.S.E. . . 1.36 



Some Moss Records for Selkirk, Peel)les, and the Lothians. By 



William Evans, F.R.S.E 138 



Rhododendrons of the Irroratnm Series. By Professor Bayley 



Balfour, F.R.S 157 



Observations on Rhododendron Seedlings. By Professor Bayley 



Balfour, F.R.S 221 



Balhnphyllum Imogeniae, a new Orchid from Nigeria. By Kenneth 



Hamilton 228 



