354 VIII. ALTITUDE OF SPECIES. 



Bartsia alpina, 6.50 cent. York, at 500 yards (Mr. J. G. Baker). 

 Tofieldia palustris, 6.50 cent. Perth, at 340 or 350 yards. 

 Hieraciurn prenanthoides, 6.50 cent. The same. 

 Polystichum Lonchitis, 6.60 cent. Midwest York, at 500 yards (Tatham). 

 Woodsia ilvensis, 6,70 cent. Dumfries at 400 yards (Rev. W. Little). 

 Arabis petraea, 6.70 cent. By the Dee, below 300 yards (Prof. Dickie). 

 Kubus Chamsemorus, 6.75 cent. Sutherland, about 200 yards. 

 Arenaria norvegica, 6.75 cent. Shetland, down to "200 feet." 

 Cerastium nigrescens, 6.75 cent. The same (Edmondston). 

 Veronica humifusa, 6.80 cent. Denbigh, at 500 yards (Bowman). 

 Lastrea rigida, 7.25 cent. York, at 400 yards, or lower. 

 Gentiana verna, 7.25 cent. York or Durham, " at 350 yards." 

 Silene acaulis, 7.35 cent. Orkney, at 50 yards (Syme). Shetland, 0. 

 Epilobium alsinifolium, 7.40 cent. Carnarvon, at 200 yards, or lower. 

 Carex Persoonii (vitilis), 7.50 cent. York, below, 300 yards (Baker). 

 Sa ix lapponum, 7.50 cent. East Lowlands, at 200 yards ? 

 Nuphar pumila, 7.50 cent. Bases of ihe Grampians. 

 Ajuga pyramidalis, 7.50 cent. Sutherland, below iOO yards (Oliver). 

 Arbutus alpina, 7.50 cent. North Sutherland, about 50 yards. 

 Alchemilla alpina, 7.60 cent. Lakes, 350 yards. Perth, 150 yards. 

 Trientalis europsea, 7.60 cent. Perth, below 150 yards ? 

 Salix phylicifolia, 7.75 cent. Westmoreland, at 200 or 250 yards. 

 Carex pauciflora, 7.75 cent. North Yorkshire, at 250 yards (Baker). 

 Hierochloe borealis, 7.75 cent. " North coast of Caithness.'' 

 Primula scotica, 7.75 cent. North coast of Scotland, near sea-level. 

 Carex capillaris, 7.75 cent. Sutherland, at the sea-level. 

 Pinguicula alpina, 8 cent. Isle of Skye. East Ross, below 50 yards. 

 Eriocaulon septangulare, 8 cent. Isle of Skye, etc. Altitude...? 

 Eqnisetum Mackaii, 8 cent. Aberdeen, ... ? Distrib. unascertained. 

 Caltha radicans, 8 cent. Forfar, at a low level. Aberdeen, 400 yards. 

 Pyrola uniflora, 8 cent. Perth and Ross, at low levels. 

 Pinus sylvestris, 8 cent. North Britain, by reduced distribution. 

 Linnaea borealis, 8 cent. Bases of the Grampians, etc. 

 Convallaria verticillata, 8 cent. The same, rarely. Limits unascert. 

 Orobus niger, 8 cent. The same ; also in very few spots. 

 Melampyrum sylvaticum, 8 cent. The same, probably below 100 yards. 

 Crepis succiseefolia, 8 cent. York, 150 yards, or lower ? 

 Pyrola secunda, 8 cent. Moray, near the level of the sea. 

 Vacciniura uliginosum, 8 cent. North England, about 400 yards. 



