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Lees, F. Arno“tp. Hedge Beadstraw among Stone Walls. ‘The Naturalist’ for 
1917, 328-329. 
— The Colonist-Alien Heron-Bills of Yorkshire. ‘The Naturalist ’ for 1917, 379- 
386. 
Lister, Miss Guiierm4. A Short History of the Study of Mycetozoa in Britain, 
with a List of Species recorded from Essex. Presidential Address. ‘ Essex 
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Marty, Hucu. Entomophthora Americana: An American Fungus new to Europe. 
* Essex Naturalist,’ xvmt. 107-108. 1917. 
Mayrietp, A. The Lichens of a Boulder-Clay Area. ‘Journ. Ipswich F. C.’ v. 
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Morrart. C. B. Losses to a Local Flora. ‘Irish Naturalist,’ xxvr. 157-160. 1917. 
Morris, Sir Danret. Presidential Address : Hardy British Trees. ‘ Proc. Bourne- 
mouth Nat. Sci. Soc.’ vor. 33-58. 1917. 
Pautson, Ropert. The Varenne Collection of Lichens: A Report on its present 
condition. [1915.] ‘ Essex Naturalist,’ xvmr. 133-134. 1917. 
Pzacock, H. G. Fungi, Lichens, and Mycetozoa. ‘ Journ. Torquay N. H. Soe.’ 1. 
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Prarson, Dr. H. H. W., and Mary R. H. Tuomson. On some Stages in the Life 
History of Gnetum. ‘Trans. Royal Soc. South Africa,’ vi. 231-269. 1917. 
Pearson, Wm. Hy. Hepatics of Denbighshire. ‘The Naturalist ’ for 1918, 66-67. 
Hepatics of the Hebden Bridge Valley. ‘The Naturalist’ for 1918, 123-124. 
Pickarp, JoserH Fry. Notes on the Flora of Ribble-Craven. ‘The Naturalist’ 
for 1917, 347-348. 
PraEGEeR, R. Luoyp. Equisetum littorale in Ireland. ‘Irish Naturalist,’ xxv. 
141-147. 1917. 
Puen, E.C. Tree Flowers. ‘School Nature Study,’ 12, 21-24. 1918. 
Ramszottom, J. Training in Plant Pathology. ‘ Trans. British Mycological Soc.’ 
v. 378-380. 1917. ; 
Recent published Results on the Cytology of Fungus Reproduction (1916). 
‘Trans. British Mycological Soc.’ v. 441-461. 1917. 
Rawson, Col. H. E. Some Novel Experiments illustrating the Response of Plants 
to Selective Screening. ‘Trans. Herts. N. H. S. F. ©.’ xvr. 259-268. 1917. 
Rea, CaRLeton. Report of the New Forest Foray (Sept. 1916) and Complete List 
of the Fungi and Mycetozoa. ‘Trans. British Mycological Soe.’ v. 351-364. 1917. 
New or Rare British Fungi. ‘Trans. British Mycological Soc.’ v. 434-440. 
1917. 
RENDLE, Dr. A. B. President’s Address: The Use of Microscopical Characters in 
the Systematic Study of the Higher Plants. ‘Journ. Quekett Mic. Club.’ xm. 
353-360. 1918. 
RippveEtspeELL, Rey. J. H. Rubus in Gloucestershire. ‘ Proc. Cotteswold N. F, C.’ 
xIx. 213-227. 1918. 5 
Riper, W. T. Boypon. Botanical Report. ‘Trans. N. Staffs. F. C.’ ur. 107-113. 
1917. 
Roorzr, Miss C. Acnes. Report of the Botanical Section, including a Report on 
Spartina Grass and a List of Rare or Uncommon British Plants for the District. 
‘Proc. Bournemouth Nat. Sci. Soc.’ viz. 63-65. 1917. : 
Roper, Miss Ipa M. Presidential Address: Mistletoe. ‘ Proc. Bristol Nat. Soc. 
vi. (Ser. 4), 175-185. 1918. 
Ross, Josepn. Ptilidium pulcherrimum (Web), Hampe, in Epping Forest. ‘ Essex 
Naturalist,’ xvi. 187-189. 1918. 
— Mycetozoa in the Chingford District of Epping Forest in August and September, 
1915 and 1916. ‘ Essex Naturalist,’ xvi. 192-193. 1918. 
Satispury, Dr. E. J. New Records of Hertfordshire Liverworts. ‘Trans. Herts. 
N.H.S. F.C.’ xvi. 273-275. 1917. 
Botanical Observations in Hertfordshire during the year 1916. ‘ Proc. Herts. 
N. H.S. F.C.’ xvm. 13-15. 1918. las. f 
— The Ecology of Scrub in Hertfordshire: A Study in Colonisation. ‘Trans. 
Herts. N. H. 8. F. C.’ xv. 52-64. 1918. Ass 
Sanperson, A. R. Mycetozoa of the Austwick District. ‘The Naturalist’ for 1918, 
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