EXUnilTION MEETrXG, 1949 
EXHIBITION MEETING, 1949 
An Exhibition Meeting was held in the Royal Horticultural Society’s 
New Hall, Greycoat Street, Westminster, on Saturday, 22nd October 
1949, from 3.30 to 6.30 p.m. There was a very good attendance com- 
prising 84 members and 30 guests, a total of 114. A small loss of £1 15/7 
was debited to the Field Work Committee’s account. Twenty-five ex- 
hibits were put up by members ; of these 20 were pressed specimens, 
1 living specimen, 2 paintings and 2 photogi’aphs. 
The following is a list of the exhibits to which notes have in some 
cases been supplied by the exhibitors. 
1. Exhibits of individual species: — 
Viola derelicta Jord., by R. D. Meikle. 
Variations in Oerastium pumilu-m Curt., by E. Milne-Redhead. 
Effect of Cultivation on Vida arvensis Murr., forma, by R. D. 
Meikle. 
Notes on distinguishing radical leaves of Selinvvi, Silaum and 
reacedanvm, by S. M. Walters. 
The radical leaves of these three plants are very similar 
(forms of Dancus may be distinguished by having at least sparse 
hairs on the leaves, whilst these three species are glabrous), 
but can be distinguished in the following way: — - 
Tn Sihni-m Silav^ the tip of the leaflet is acute and brownish- 
purple in colour, quite clearly visible with a lens. In Selinum 
carvifolia the tip is very acute and colourless, visible to the 
naked e3^e. In Fencednnvm palustre the leaflet has a much 
more obtuse tip, which may have valuing amounts of a browm 
or purple colour in it. 
Other general differences include the narrower outline to the 
leaf of Selinmn as opposed to Silaum and Peucedanvm ; the 
smaller individual leaflets in Sdinum, and (at Chippenham) its 
light green colour as compared to Sdaum. 
Ti p of Leaflet 
I m"7. 
I 
*■0 
Silaum 
Peucedanum 
Selinum 
