Cover Illustration:
Tower Cress (Arabis turrita)
Photo by P H Oswald.
Contents of Volume 53 (2011)
An Annotated Check List of the Flora of the Devil's Ditch (A
C Leslie) 3
Conservation of the Chalkhill Blue and other butterflies on
the Devil's Dyke (Vince Lea) 24
Contributions towards a new algal flora of Cambridgeshire (Vice-county
29) VI. Phylum Chlorophyta continued. (Hilary Belcher, Eric George
& Erica Swale) 28
Tasteless Water-pepper and Small Water-pepper in Cambridgeshire
(C. James Cadbury) 32
Marsh Harriers breeding near Cambridge (Bob Jarman) 37
The role of road traffic in the near extinction of Common Toads
in Ramsey and Bury (Arnold Cooke) 45
Tower Cress - A Cambridge speciality (Philip H Oswald) 51
Hemiptera of Coe Fen and Sheep's Green, Cambridge (Alvin Helden)
54
Fungi of Eversden Wood (John Holden) 57
Changes in the lichens of Chippenham Fen (Mark Powell) 61
Saving the Fulbourn Swifts (Rob Mungovan) 71
The Coton Coutryside Reserve Survey 2010 (Jonathan Shanklin)
73
Vascular Plant Records (Alan Leslie) 82
Bryophyte Records (T G Charman and C D Preston) 90
Invertebrate Records (Louise Bacon) 91
OBITUARY 94
BOOK REVIEWS 95
Weather Summary for 2010 (John Kapor) 99
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