256 MISC. PUBLICATION 797, U. S. DEPT. OF AGRICULTURE 
of Thames) or 1914 (for part south of Thames) have been ignored.)—See 
also Leusley, J. E. Botanical records for 1943 [-1957]. London Nat. v. 24 
(1944)—-37 (1957), passim. 1944 [-58].—Also his Changes in the flora of 
the London area since 1858. l.c. 37: 34-49. [1958.] (Changes in habitats 
and flora; bibliography.) 
Lousley, J. E. Wild flowers, grasses and ferns of the City of London, 
1941-1952. in Fitter, R. S. R., and Lousley, J. E. The natural history of 
the City. App., p. 30-35. 22 cm. London, 1953. 
Tabular list of vascular plants (269 species) with dates of occurrence and 
indication of frequency. Refers to the City proper, only 1 square mile in 
area.—See also his Wild flowers. lc. p. 8-19. 6 fig. (Statistics, methods 
of introduction, garden plants, etc.); also bibliography (p. 36), which has 
particular reference to publications on the flora of bombed areas. 
Melville, Ronald, and Smith, R. L. Adventive flora of the metropolitan 
area. I. Recent adventives on London rubbish. Rpt. Bot. Soc. and Exch. 
Club Brit. Isles 8 (1927): 444-454. pl. 1928. 
Account of localities; list of about 250 angiosperms, with localities, in 
Essex: and Middlesex.—See also Shenstone, below. 
Peterken, J. H. G. Habitats of the London area. London Nat. 32: 2-12. 
1953. 
Discussion of plant habitats with mention of their characteristic species. 
Shenstone, J. C. The flora of London building-sites. Jour. Bot. 50: 117- 
124. 1912. 
Short lists of vascular plants found at various localities in London, grouped 
according to source of introduction, with discussion of methods of distribu- 
tion—See also Salisbury, E. J. The flora of bombed areas. Nature 151: 
462-466. 1948. (Also in North West Nat. 18: 160-169. 1943.) (General 
discussion of development of floras in bombed areas, with special mention 
of various species and their methods of spreading.)—Also Lousley, J. E. 
The pioneer flora of bombed sites in central London. Rpt. Bot. Soe. and 
Exch. Club Brit. Isles 12 (1941-42): 528-5381. 1944. (General considera- 
tions; annotated list of 27 angiosperms observed as pioneer colonists on 21 
bombed sites in the City of London and vicinity.)—Also Salisbury, E. J. 
List of flowering plants and ferns recorded from bombed sites in London. 
In Fitter, R. S. R. London’s natural history. p. 265-268. 22 cm. London, 
1945. (List of 126 species, with indication of percentage of total localities 
the commoner species were found in.)—Also Lousley, J. E. The flora of 
bombed sites in the City of London in 1944. Rpt. Bot. Soe. and Exch. Club 
Brit. Isles 12 (1948-44): 875-888. 1946. (Annotated list of 113 vascular 
plants including 1 hybrid.)—Also Jones, A. W. The flora of the City of 
London bombed sites. London Nat. 37: 189-210. map. [1958.] (Habitats, 
methods of dispersal, bibliography, etc.; contains lists totaling 342 species.) 
MIpDLESEX 
See also Great Britain, General (Kent, Additions and corrections . .. under Druce, The 
comital fiora); Hampshire (Boulger, Botanical bibliography of the south-eastern counties) ; 
London. 
Vice-county 21. 
General 
Trimen, Henry, and Dyer, W. T. Flora of Middlesex: a topographical and 
historical account of the plants found in the county; with sketches of its 
physical geography and climate, and of the progress of Middlesex botany 
during the last three centuries. xli, 428 p. map. 19.5 cm. London, 1869. 
Topography, geology, soils, climate, botanical] districts, bibliography; an- 
notated list of vascular plants (859 species), with localities; statistics of 
flora, botanical history, lists of cellular plants. This work provided a model 
for subsequent county floras of England.—See also the following short 
papers, by various authors: Jour. Bot. 8: 225. 1870; 9: 113-114, 271-272, 
304, 871. 1871; 11: 208-209. 1873; 22: 56, 279-280. 1884; 23: 36-38, 338— 
340. 1885; 25: 14-20, 363-366. 1887; 28: 120. 1890; 31: 218. 1893; 48: 
269-278. 1910; 49: 66. 1911; 52: 127-131. 1914.—Also Nicholson, C. S. 
The botany of the district. Trans. London Nat. Hist. Soc. 1915: 40-48. 
1916. (Includes lists of probably extinct and not recently recorded species.) 
—Also Fitter, R. S. R. The lost plants of Middlesex. In his London’s 
