33 and are best seen by cutting a fruit across and observing it with a lens. The Perennial Wall Rocket (Diplotaxis tenuifolia) was found with its characteristic unpleasant smell when crushed, which can be further identified from its near relatives by its fruit having a stalk between the sepal scars and the base of the fruit. An interesting spurge which is called Euphorbia esula in the third edition of the Excursion Flora also grew here. However, my lasting memory of the area was a considerable region of scrub populated by Danewort and Bladder Senna (Colutea arborescens). Our thanks go to the leader Ken Adams for organising the meeting, despite a poisoned foot on the day. Tony Boniface N.B. The uncommon grass Hard Fescue (Festuca longifolia) was also found on the sewer, although I regret to say I missed it. Chelmer/Blackwater Canal and Ulting Pits 31st August, 1983 This outing, billed as a dragonfly excursion proved to be encouragingly well attended. Starting out at Ulting Bridge, we spent the morning exploring the banks of the Chelmer/ Blackwater Canal, as well as the margins of adjacent flooded pits. The very common 'blue-tailed' damselfly (Ischnura elegans) was our first discovery, and continued to cause trouble throughout the day by virtue of its rather bewildering variety of colour forms.