80 
pratensis , but the ligule was long, as in geniculatus. A. pratensis 
grew not very far away in comparatively dry ground, and it was 
noticeable that the hybrid preferred spots at the tops of the dyke 
banks, and did not choose, as is often the case with geniculatus , to 
have its roots in the water. These Amberley examples seem to 
agree well with Messrs. Bromwich & Jackson’s Warwickshire 
plant (B.E.C. Rep. 1900, 650) and the Rev. H. P. Reader’s speci- 
mens of the hybrid from Staffordshire (Watson B.E.C. Rep., 
1900 — 1, 31). Mr. A. B. Jackson (“Journ. Bot.”, 1901, 232) 
has also called attention to the remarkably glaucous sheath — a 
character which first caused us to take special notice of the 
plant. — C. E. Salmon. 
Deyeuxia neglecta Kunth, var. borealis (Laest.). Killin, Mid- 
Perthsh., v.c. 88, Aug. 10, 1917. — R. J. Burdon. D. neglecta 
Ehrh., var. borealis Ar. Benn. ; Calamagrostis bcrrealis C. P. Laest. Bid. 
t. kann. Yaxt. Tornea Lappmark, 28 & 24 (1860); C. stricta , var. 
borealis Hartm. Sk. FI. 517 (1879); C. stricta, var. magus L. L. 
Laest. ap Hjelt. This rare and interesting Deyeuxia was first 
found by Mr. G. C. Druce in Strath Tay in Aug. 1888. He 
sent me a specimen, asking its name. I replied “ stricta or 
borealis .” Prof. Hackel subsequently confirmed the name borealis. 
It was afterwards reported as lost in Perthshire. C. P. Laesta- 
dius describes it (l.c.) from L. L. Laestadius’s “An. veg. I. Kare- 
suando och Enontekis ” in two varieties, “ a. paludosa and /3. arini- 
vaga.” In Russian Lapland it is recorded at Svjatoj-noss, 
68° 20' n. lat., also in Swedish Lapland, Finmark, W. Bothnia, 
Iceland, and Greenland. C. P. Laestadius remarks, “Cum 
C. stricta maximum similitudinem habet. Differt autem arista 
subdorsali, hoc est; infra apicem, supra medium corollae fixa, 
brevissima, pilis corollam non aequantibus ; longiora autem cum 
stricta.” As with many other varieties, this is reduced to a form 
by Neuman in his “ Sveriges Flora.” Our plant seems to conform 
to the var. paludosa. In Swedish Lapland, where this occurs, 
many other plants take on variations induced by climate, summer 
temperature, etc., as, for instance, some years Sparganium, Pota- 
mogeton and others do not ripen their fruits. This is noted by 
Laestadius in his “Loca parall. Plant.’ ’(1839), where he discusses 
these matters very fully. In the specimen sent me the asperous 
hairs are much more numerous on the upper part of the stem 
and the panicle branches ; by the end of the summer these have 
usually fallen off. — A.B. 
Aira caryophyllacea L., [var. aggregata Trin.]. (Ref. No. 302). 
Roadside, Barmouth, Merionethsh., v.c. 48, June 10, 1915. Dis- 
