EXHIBITION ANH LECTUKE MEETINGS, 1951 5o 
2. Location sheets (one for each species, subspecies or variety). On 
to these are eutered records received from the field worker. 
S. Outline maps of the County (one for each species, subspecies or 
\ ariety). These are printed on tracing paper with 1000-metre National 
Grid Squares. Each recoid is located on the appropriate map by a 
dot. 
4. Flora JJulLetin. By means of this helpers are kept informed of 
developments and special requirements. 
5. The Vice-county Map showing the changes since Watson laid 
down the Vice-County boundaries. 
The exhibits show the advantages of the method in comprehensive- 
ness, accuracy and simplicity of recording and interpretation. 
Samples were shown of records so far received and entered on loca- 
tion sheets and outline maps. 
P. S. Green, R. C. Readbtt. 
ANCHUSA SEMPEliV IRENS L. 
A photograph taken by the exhibitor of a garden site in a bombed 
area in Edgbaston, Birmingliam. It is a long, narrow space bordered 
with holly hedges and has all the appearance of an old lane or service 
track. It lacks the ordinary bomb-site flora, but has several very un- 
usual plants, including Anchusa senvpervirens. H. C. Watson in his 
New Botanists’ Guide (1835), 185, has Anchusa sempervirens at 
Edgbaston near Birmingham, Midi. FI. Purton.” Purton’s Midland 
Flora was published in 1817. It is interesting to be able to confirm this 
record after more than 130 years, and from a built-up area. 
C. Thomas. 
riNGUICULA VULGARIS L. 
Specimens in a dormant stage. A pseudo-bulb of a rich green colour 
forms at the centre of the dead rosette of leaves, to survive the drj'^ 
summer and storms of winter. 
Photograph of plant in situ with large gnats and ant dead on leaves 
suggests that the secretion of the leaves is not merely adhesive, bj’’ 
which minute midges may be caught, but toxic or poisonous. 
C. Thomas. 
3. Maps 
Maps Showing the Distribution op the British Species of Thymus 
Three maps, di'awn up on the Scandinavian “point” system, show- 
ing tlie distribution of Thymus Serpyllum L., T. Drucei Ronn. emend. 
.Jalas and T. pidegioides L. in the British Isles, were exhibited. The 
maps were compiled wliolly from localities derived from herbarium 
material. Each locality, represented by a circular dot (equivalent to 
five kilometres in diameter), was plotted by means of the National 
Grid on to a base map of scale 1 : 2,000,000. Attention was drawn both 
to the advantages gained by this method and to its limitations, especi- 
