39 
Mr. C. U. Stuart, Seattle, U.S. America.—Fruits of 
Mehul pauciflorum from Alaska. 
A Waterer 2 PEP Hill Nursery, Woking.—Fruits of 
Og malus Colur 
The Hon. Visedy" Gibbs, Elstree, 
tured from Populus deltoides. 
a F.-D. Hartord, €.V.0., Henbury, Bristol.—Photo- 
aph of a tree of Ginkgo biloba growing in the grounds 
ee “Blaise Castle. Height 70 ft., girth at 4ft. 6 ins. from 
the ground 10 ft. 3 ins. 
Mr. H. C. Baker, Almondsbury, Gloucester.—Fruits ot 
Akebia quinata and of A. lobata. 
Messrs. F. W. & E. Bloore, Timber Merchants, Fern- 
dale er ad, Clapham.—A finely figured slab of 
Mahogan 
Messrs. Wi gglesworth & Co. Fenchurch Street 
London. Eee ls of Flax epeha usitatissimum), from 
British East Africa. 
Mr. H. Kempshall, Abbotsbury Gardens, Dorchester.— 
i bat 
a. 
Mr. C. Warren, Curator, Agricultural Department, 
Nigeria.—Abnormal fruit of Cocos nucifera and a cake of 
Camwood prepared from Baphia nitida, at Banoara, 
Southern Nigeria. 5. M. H. 
Research in Jodrell Ccbiantauy in 1917. —Mr. J. Bintner 
seo at: his observations on the development of callus-tissue 
and the formation of roots in cuttings, and began a study of 
some » gale on the stem of one of the Proteaceae 
A. Boodle studied some of the properties of charred 
ee and was engaged in anatomical w ork of various kinds. 
Mr. A. Sharples began an investigation of Hevea-wood 
attacked By. Ustulina zonata 
Mr. W. Worsdell examined the comparative anatomy of 
Compositan, Polygonaceac, etc. 
Pathological Laboratory. sig peek “feature of the season 
1917 was the marked increase of interest in fungus and insect 
diseases of plants, and the recognition by a large body of the 
public of the amount of damage which various plants pests are 
capable of inflicting. 
some of the southern and south-wést districts bad attacks 
by way Oh on fruit trees in the spring, severe scabbing of 
pietnses ne losses, and large growers an market 
well as amateurs appealed for advice and for 
ane ceiheds of soniel, both by letter and by visits to the 
laboratory. 
With ett to the staff, Mr. W. B. Brierley was absent on 
military duty from _ January to the end of March. "ay 
L. Alcoc ms ~ nee ted permanent assistant, and has been 
engaged p lay on diseases of fruit trees. Miss M. N. 
Owen was pata temporary technical assistant in January. 
