The Scottish Naturalist. 335 



CCCXLIII. ISOETES L. 



785. Lacustris L. 



Sub-species lacustris. Common in many of the High- 

 land lochs. The other sub-species — echitiospora — 

 should be looked for. 



MARSILEACE^J. 



CCCXLIV. PlLULARIA L. 



786. Globulifera L. Local, and chiefly in the Lowlands. 



ADDENDA. 



The following genera were omitted: — 



cxll* Serratula D.C. 



311.* Tinctoria L. and var. monticola Bor. Near Comrie (J. 

 Cosmo Melvill). Native (?) 



cxux.* Bidens L. 



326.* Cernua L. Very local, and not common. Stormont 



Loch, Dunning, &c. 

 326.** Tripartita L. Very local, and not common. Cluny 



Loch, Aberuthven, Blairdrummond Moss, &c. 



clxi.* Arnoseris Gcertn. 

 348.* Pusilla Gcertn. Corn-fields near Invermay (Winch 

 in Linnean Society's Herbarium). An introduction 

 which, though not recently found, may be looked for 

 elsewhere. 



The following species have been reported : — 



clxiv. Leontodon L. 



351.* Hispidus L. Near Blair-A thole, perhaps introduced 

 (G. C. Druce). 



clxvii. Crepis L. 

 355.* Hieracioides W. and K. Near Blair Athole (G. C. Druce). 



CLXIX. HlERACIUM L. 



363. Lawsoni Sm. 



ft. Sub-species iricum Fr. Ben Chonzie (J. Cosmo 

 Melvill). 



