June, 1889. 
COUNTY BOTANY OF WORCESTER. 
141 
the air was more marked ; thus, in a quiet room, 44 fell per 
minute; but when twenty people were dancing in it the 
number was increased to 400; and in a third-class carriage 
on the Underground Railway, containing ten people, it rose to 
the enormous number of 3,120. It is stated that, during a 
conversazione of the Royal Society, each cubic metre of the 
air of the library has contained 48,200 bacterial germs. 
(To be continued.) 
HISTORY OF THE COUNTY BOTANY OF WORCESTER. 
BY WM. MATHEWS, M.A. 
f Continued from page 91.) 
Lees, in “ Botany of the Malvern Hills.” 
* G. rotundifolium, 33. (In the 2nd and 3rd Editions this species is 
queried. Mr. Lees adds, “ Uncommon, and I feel somewhat 
uncertain of its locality.”) 
* G. columbinum, 33. Ill. 
* Erodium moschatum, 33. On Lumbertree Bank, Welland Common. 
(Mr. Lees adds, in the 3rd Edition, “ I fear lost by enclosure 
of the waste.”) 
* E. raaritimum, 33. At the eastern base of the North Hill, before 
the path turns to the Ivy-scar Rock. Plentiful there in 1841. 
(Mr. Lees adds, in the 2nd and 3rd Editions, “ Since obliterated 
at this spot.” “On the northern bank of the Common at 
Barnard’s Green.” Ill. Still growing on North Hill; R. F. 
Towndroiv, 1888. Sp.! 
* Euonymus europaeus, 18. Ill. 
f Ulex minor, 34. Lees. This is identified in the 3rd Edition with the 
true Ulex nanus of Forster. Probably an error for Ulex Gallii. 
* Genista anglica, 34. On Welland Common. 
* Anthyllis vulneraria, 35. Mostly confined to calcareous strata, 
where, as at the Croft Limeworks, it is abundant. It also 
grows at Castle Morton on red marl. Ill. 
* Medicago sativa, 35. 
M. lupulina, 36. 
M. maculata, 36. This has been gathered at Hawford, near 
Worcester, by my friend Mr. Abraham Edmunds, junr. Rut 
in the 2nd and 3rd Editions xve read: Abundant in a grassy path 
in Mr. Smith’s large hop yard at Wick, not far from the 
Severn, where my friend Mr. Thomas Baxter, of the College 
School, pointed it out to my notice. 
* Melilotus officinalis, 37. 
Trifolium pratense, 36. 
