Cover Illustration:
A Chinese Water Deer in a plot of sallow coppice at Woodwalton Fen
National Nature Reserve
Contents of Volume 54 (2012)
Potamogeton compressus recolonises Cambridgeshire (J.J.
Graham & C.D. Preston) 3
Marsh Stitchwort on Cambridgeshire's washlands (C. James Cadbury)
11
Marsh Harriers breeding near Cambridge - continued (Bob Jarman)
17
Chinese Water Deer and Muntjac browsing at Woodwalton Fen NNR
(Arnold Cooke) 21
Three annotated copies of Babington's Flora of Cambridgeshire
(C.D. Preston) 27
The Dingy Skipper on Devil's Dyke (Hilary Conlan) 33
Plant species recorded by John Ray in Cambs. (C.D. Preston &
P.H. Oswald) 36
Sulphur Clover; its decline in Cambridgeshire (C. James Cadbury)
44
Molluscs in the Cambridge Botanic Garden (Richard C. Preece
& Tom S. White) 53
The lichens of Cambridge walls (Mark Powell and the Cambridge
Lichen Group) 56
The Establishment of 800 Wood at Madingley (Karen Russell, Rachel
Buckingham Howard & Justin Mumford) 60
The Backs: CNHS Field Studies area of 2011 (Jonathan Shanklin)
65
Vascular Plant Records (Alan Leslie) 71
Bryophyte records (T.G.Charman and C.D. Preston) 78
Invertebrate Records (Louise Bacon) 80
OBITUARIES 82
BOOK REVIEWS 84
Weather Summary for 2011 (John Kapor) 90
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