34 ANNALS OF SCOTTISH NATURAL HISTORY 



THE HIGH ALPINE FLORA OF BRITAIN. 



BEING A LIST OF THE FLOWERING PLANTS AND 

 FERNS FOUND AT A THOUSAND METRES AND 

 UPWARDS ON THE MOUNTAINS OF THE BRITISH 

 ISLES, WITH AUTHENTIC REFERENCES AND CRITI- 

 CAL NOTES. 



By FREDERIC N. WILLIAMS, F.L.S. 

 (Continued from p. 234, No. 72, Oct. 1909.) 



Fam. 31. GRAMINACE^; continued. 



138. Poa Balfouri, Parnell (1842). On rocky ledges at high 

 levels on the mountains of the Breadalbane district (" Fl. Perthsh." 

 352). 



139. Poa nemoralis, L. From sea-level to considerable eleva- 

 tions on the mountains of the Breadalbane district (" Fl. Perthsh." 

 352). 



140. Deschampsia ccespitosa, Beauv. Ascends to 1130 m. in 

 damp places on the mountains of the Breadalbane district (" Fl. 

 Perthsh." 344). Summit of Ben Avon (W. Gardiner, 1844, in 

 Herb. Brit.). 



Var. pseitdoalpina, Syme, " Engl. Botany," xi. (1872). On the 

 ridge of Ben Dearg, in Ross-shire, at 1000 m. and higher (G. C. 

 Druce in "Ann. Scot. Nat. Hist." 1903, 233). 



141. Deschampsia alpina, Roem. & Schult. At 1000 m. and 

 more on wet rocks on the mountains of the Breadalbane district, 

 and up to 1130 m. on Ben Alder (White), Ben Alder (Watson). 

 Ascends to 1020 m. on Ben Nevis, between the upper end of the 

 ravine and the spring (J. Sadler in " Trans. Proc. Bot. Soc. Edinb." 

 xiii. 54). Ascends to 1010 m. on Ben Dearg, in Ross-shire (G. C. 

 Druce in "Ann. Scot. Nat. Hist." 1903, 233). Ascends to 1130 m. 

 on the table-top of Ben-na-Bourd (Watson, 1832). Up to the 

 summit of Cairn Gorm (R. T. Mackay, ex Dickie, 202). On Carn 

 Tual it ascends to 1028 m. ("Cyb. Hib." ed. 2, 418). Descends 

 to 640 m. in Mayo. 



142. Deschampsia flexuosa, Trin. Ascends to 1130 m. on Ben 

 Alder (White), and to 1150 m. on Loch-na-gar (White, in "Scot. 

 Nat." i. 123 [1871]), and to 1130 m. on Ben-na-Bourd (Watson, 

 1832). Up to the summit of Carn Tual ("Cyb. Hib." ed. 2, 419). 

 Descends to sea-level in Londonderry. 



143. Agrostis tennis, Sibth. (1794). Up to the summit of Ben 



