THE MANX SAND-DUNE FLORA 



173 



CladonicB is much more abundant than on the Lancashire dunes. 

 The species noted were as follows : — 



Pteris aquilina L., dominant. 

 Ammopliila arenaria Link ,, 

 Brassica monensis Huds. (rare). 

 Viola ericetorum Schi-ad. 

 Arenaria Lloydii Jord. 

 Cerastium tetrandum Curt. 

 C. semidecandrum L. 

 C. viscosum L. 

 Polygala oxyptera Reichb. 

 Erodium cicutarium var. gluti- 



nosum Clav. 

 Ononis maritima Dum. 

 Trifolium duhium Sibth. 

 Lohis corniculatus L. var. crassi- 



folius Pers. 

 Sedum anglicum Huds. 

 Galium verum L. 

 Valerianella olitoria Poll. 



Bellis i:)eren7iis L. 

 Taraxacum officinale Weber. 

 Matricaria inodora L. 

 Jasione montana L. 

 Calystegia Soldanella Br. 

 Myosotis collina Hoifm. 

 Thymus Serpyllum L. 

 Plantago Coronop^is L. 

 P. lanceolata L. 

 Carex arenaria L. 

 Aira caryophyllea L. 

 A . pracox L. 



Anthoxanthum odoratum L. 

 Agrostis alba L, 

 Festuca ovina L. 

 F. rubra (aggr.). 

 Bro7nus hordeaceus L. 

 Botrychiicm Lunaria Sw. 



Bryophyta. 



Ceratodon purp^ireus Brid. 

 Dicranum scoparium Hedw. 

 D. scoparium var. orthophyllum 



Brid. 

 Barbula convoluta Hedw. 

 B. Hornschuckiana Schultz. 

 Tortula ruralis Ehrh. 

 T. ruraliformis Dixon. 

 Bryum pendulum Schimp. 

 B. capillar e L. 

 B. roseum Schreb. 

 Brachythecium albicans B. & S. 



Brachythecium velutinum B. & S. 

 B. purum Dixon. 

 Camptothecium lutescens B. & S. 

 Hypnum cupressiforme L. 

 H. cupressiforme L. var. tecto- 



rum Brid. 

 Hylocomium splendens B. & S. 

 H. splendens var. gracilius 



Boul. 

 H. squarrosum B. & S. 

 H. triquetrum B. & S. 



LiCHENES. 



Peltigera canina Hoffm. 

 Cladonia alcicornis Floerke. 

 C. pyxidata Fr. var. pocillum 



Fr. 

 C. chlorophcea Flk. 

 C. fimbriata Fr. f. exilis (Ach.). 



Cladonia fimbriata var. conista 



Nyl. 

 C pityrea Flk. 

 G. furcata Hoff m. 

 C. pungens Flk. 

 Bacidia muscorum Mudd. 



In addition to the above, the following three lichens were found 

 growing on pieces of weathered old leather lying on the dunes : — 

 Lecanora Hageni (Ach.). Buellia phacodes Koerb. 



Binodina exigua Gray f. demissa Stiz. 



IV. The Marram luith Heather Association. — As the landward 

 border of the preceding association is reached, the bracken begins 

 to fail, and intermixed with it are a few plants of Galluna vulgaris. 

 Further on this becomes more abundant, and is accompanied by 

 a small quantity of Erica cinerea and Bosa spinosissima. In 



