290 THE JOURNAL OF BOTANY 
f.—E. F. Linton 
“Lilium Martagon L. Wood at Broken Dike, Tidenham 
Chase, W. Glos., v.-c. 34, July 5, 1909. I agree with Mr. Shool- 
bred as to the high probability of the species being native in this 
and other localities in the neighbourhood.—H. J. RippELsDELL.”’ 
Bref och skrifvelser af och till Carl von Linné ; med understéd af 
Svenska Staten utgifna af Upsala, Universitet. Férsta Afdel- 
ningen. Del iv. Bref till och fran ABranam Bicx, 1741-55. 
Utgifna och med wpplysande noter forsedda af Ta. M. Fries. 
Stockholm (Aktiebolaget Ljus), 1910. 8vo, pp. iv. 365. 
Tus volume is a continuation of the important series forming 
a national monument to one of Sweden’s most distinguished sons, 
which has been noticed in this Journal (May, 1909, pp. 190, 191 ; 
Feb., 1910, pp. 63, 64). On the last occasion, when noticing the 
third volume, it was pointed out that the Swedish letters published 
embraced those under A and B, with the exception of Back, which 
would, it was then thought, well-nigh fill the next volume. 
The volume now before us only includes about half of the 
letters which passed between Back and Linné. For many years 
Back’s h 
to be able to converse frequently, and not so far as to impose any 
from his preface the following paragraphs :— 
‘Amongst the many persons with whom Linné corresponded, 
am Ba Their first intercourse 
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however, probably did not occur until 1740 or 1741, during the 
riod when intrigues were proceeding at Upsala to prevent Linné 
ee instituted as Professor, in order that J. G. Wallerius might 
obtain an 
although he was Linné’s competitor, that was far from causing 
any ill-will; on the contrary, veer Reel year the friendship became 
eath. 
“A striking testimony to this is the frequent and confidential 
____ but notwithstanding that there are still 524 known to exist, 
