BOTANY IN ENGLAND A CENTURY AGO 819 
to flourish best. pa from N. America, it is now rather 
widely scattered in England and on the continent of Kurope, at 
is doubtless often passed over as Matricaria inodora. It is a stiffer 
and more bushy plant than the oe r, and has, moreover, 4- and 
not 5-toothed disc florets.—§8. T 
Ceratophyllum 5 a Linn. Pool, Southcoates Lane, Hull, 
v.-c. 61, K. Yorks., June, 1901.—C. Warzrrauu. Is submersum 
Linn. var. It differs from sts as figured by Schumann [Fl. 
the direction of C. rita agen .= C. demersum b. cristatum 
K. Schum. Fl. Brasil. iii., pt. “ _ 748, . 125. It differs from 
C. submersum as dese bed: by Syme (Eng. Bot., 8rd ed., vol. viii., 
p. 124), in that the fruit i is early 4 smooth on the two surfaces, and 
has marginal short spines with a blunt top. It may be that some 
of the tubercles fall off in the fruiting, but I fail to see iy cicatrices 
remaining.—A. Brennerr. 
Potamogeton lucens var. acuminatus ae Hickling a v.-¢. 
27, HK. Norfolk, September, 1901.—T. and C. Cor Not 
acuminatus, but very interesting. It eat ailikas as ‘eet the 
stem has been suppressed at each node, and become a p yllode : 
but fresh microscopic sections would ie fee be taken of it, and it 
would have to be studied in situu—A. Bren 
Carex teretiuscula var. Ehrhartiana pee e). (1) Seaman’s 
Moss Pits, near Altrincham, v.-c. 58, Cheshire, ae 5, 1868.— 
. Bic ) Stanklin Pool, near Kidderminster, v.-c. 37, 
Worcester, J une 6, 1901; and (3) Bog at Bracebridge Pool, Sutton 
Park, v.-c. 88, Warwick, athe iP 1901.—H. 8. Tompson. (1 
Yes, this is the plant which §. Gibson ae C. pseudo-paradoxa 
in the Phytologist, Old Series, vol. i., —A. Bennett. One 
of the original stations.—A.H. W.-D. (2 Now to Worcestershire. 
hk, te 1. (8) My. pice considers this is a state induced by 
the amount of water present. When the water retires, and the 
surface becomes partly dry, i becomes the type. See last year’s 
Report, pp. 80-82.—A. Bennerr. Mr. Marshall writes of all these 
gatherings: ‘‘I must own that I can see nothing really distinguish- 
ing this variety from the type,” and Mr. Be nnett concurs with my 
suggestion that it is really only a form.—A. -D. 
Chara baltica Bruzel. Loch Stennis, v.-c. 11 , Orkney, Sep- 
tember, 2, 1901.—F. C. Crawrorpv. Named by Messrs. H. and J. 
Grovzs, 
BOTANY IN ENGLAND A CENTURY AGO. 
[Tue following letters, for the translation of which from the 
Germ man we are indebted to Miss Aimée Sewell, were published in 
vol. ii. of der’'s Journal ‘iit die Botanik. The writer, Dr 
Henry Adolphus Noehden, was brother to Dr orge Henry 
Noehden, a librarian of the ish Muse of f 
? . 
account will be found in the Biographical Index of British Botanists 
