BOTANICAL EXCHANGE. CLUB REPORT, 1904 65 
d 
erect wit ng fruit, almost always aciculate. 
and longer, sepals only loosely reflexed, or subpatent, or, rarely, sub- 
h you i 
Plentiful on Walton Common, ‘rey, Where, however, it 
also been gathered by Mr. Britton, who has been kind enough 
to su with speci is gathering. Bushes con- 
necting this with typical R. rhombifolius have also been found by 
Mr. Britton on Danbury Common, in Essex, and Sheen Common, 
Surrey. 
Mr. Rogers points out that the above characteristics show that 
var. megastachys bears much the same relation to R. rhombifolius as 
var. londinensis does to R. imbricatus (vide Journ. Bot. 1903, p. 89), 
and thinks both varieties are produced by the very favourable con- 
ditions of soil on which they grow. 
BOTANICAL EXCHANGE CLUB REPORT, 1904. 
(Tue following notes, which we have been unable to print earlier, 
are extracted from the Report of the Botanical Exchange Club for 
1904, published in August of last year. The Report, by Mr. James 
Cerastium triviate Link. Variety approaching alpinum Mert. 
& Koch. Damp precipice, Ystolion duon, Carnarvonshire, 14th 
July, 1904. This form is abundant in the damp parts of mountain 
precipices in North Wales, and reappears in South Wales at the 
In the length of its petals it makes an approach 
to var. alpinum, but is nearer to the than to this variety.— 
Aveustin Ley. agree. It is a montane form with rather 
larger flowers and typical. leaves. Of the Welsh plants for which 
