32 
BOTANICAL EXCHANGE CLUB. 
R. pi-atemis,M. & K. Kelso, Eoxburgli. August, 1876. I send 
a few examiiles to show the usual form in this district, where it is 
common wherever R. obtiisif alius and R. crispas grow near each 
other. I think there is no doubt of its being a hybrid. Unlike 
their reputed parents, very few of the seeds of this and R. con- 
spersus come to perfection. — Andrew Brotherston. 
Rimiex conspersus, Hartin. Tweedside, Barnes, and Kelso, 
Koxburgh. August, 1876. Plentiful on Tweedside, near Kelso, 
mostly in gravelly places liable to be flooded, sometimes on the 
grassy banks of the river. Both of its reputed parents, R. obtim- 
folius and R. aquaticus, grow with it. I think there is little doubt 
of the hybrid origin of this plant. The variable appearance of 
the enclosed specimens, coupled with the small number of seeds 
that come to perfection in comparison with those of other members 
of the same genus, excepting pratensis, another hybrid, forces one 
to this conclusion. — Andrew Brotherston. 
Runiex — hybrid ? At the bottom of a coast-cliff, near Down- 
derry, St. Germans, E. Cornwall. July 24, 1876. A very curious 
plant, near crispus or pratensis. Much like the former in the greatly- 
waved leaves, though only the lower stem ones were noticed, the 
roQt-leaves being withered when it was foimd. The panicles grew 
very high. Some of the enlarged petals had short acute teeth. 
There was only one root at the spot. Probably a hybrid. — 
T. K. A. B. I think this must be referred to R. crispus var. sub- 
cordatus, Warren. It appears to fruit too freely to be a hybrid; 
stiU, as Mr. Briggs suggests, it may be one between crispus and 
pratensis. — J. T. Boswell. 
R. crispus, Linn., var. trigranulatus, Boswell. Growing actually 
among shingles on the coast at Cliftonville, Brighton, Sussex. 
August 13, 1876. This is the ordinary littoral form of nnspus, on 
the Sussex coast “dunes.” — J. L. Warren. Quite a common 
form of crispm on the stony and rocky coast-line in the neighbour- 
hood of Plymouth, occurring, also, more inland, by tidal water. — 
T. K. A.B. 
R. crispus, Linn., var. subcorclatus, mihi. Lewes Levels, Sussex. 
August, 1876. This is a slight though curious variety of the 
plant which I have sent Dr. Boswell from the same station in 
previous years, and for which the above varietal name was suggested. 
— J. L. Warren. A plant collected at Herne, Worthing, West 
Sussex, on August 10, 1876, by Mr. Warren, is also referred by Dr. 
Boswell to the same variety. — T. K. A. B. 
l\. enspus, Lmn., var. subcordatus, mihi. Mr. Brotherston sends 
from Tweed-side, Kelso, August, 1876, the exact thing which I mean 
by my subcordatus of crispus. Another plant so labelled, from 
Tulliallen, Perth, collected by Mr. Drummond, is a good way off 
my type, though this form must be arranged also, I think, under 
the same varietal name. I should suspect Mr. Drummond’s plants 
to grow on dry soj^Mr. Brotherston’s on rich, damp, moist soil. — 
J. L. Warren. *Mr. Brotherston states this subcordatus to be more 
co#imon than the typical crispus on Tweedside. — T. E. A. B. 
“ R. Hydrolap at hum, Huds., var. with cordate bases to the 
