12 
BOTANICAL EXCHANGE CLUB, 
leaf from North Surrey thus labelled on the authority of Dr. 
Andersson. This species is easily distinguishable from S. triandra 
when in flower by its shaggy scales, elongated style, and, in the 
normal form, by its silky capsule. 
Hymenophyllum Wilsoni. Sent by Mr. W. Richardson, from 
Harehope moor, Eglingham, on the Northumbrian flank of the 
Cheviots. This is questioned as a plant of the Tyne province in 
Cybele Supplement, but there are specimens in Winch’s herbarium 
gathered on Si monside by Sir Walter Trevelyan, who has recently 
refound it on the same hill. 
Introductions. The principal plants which come under this 
head which we have to notice this year are the following. 
Alyssum calycinum. Eield near Little Marlow, Bucks, J. Britten. 
Neslia paniculata. On the Beach at Sandown, Kent, Aug. 1865, 
Mrs. Benson. 
Erysimum, orientate. Mitcham, Surrey, H. Trimen. 
Saponaria Vaccaria. Beach at Sandown, Kent, Mrs. Benson. 
Arenaria montana. Wimbledon common, Surrey, first noticed 
seven years ago by Mr. Pollock, of Wimbledon. W. Thistleton 
Dyer. 
Trifolium agrarium Linn ( T. aureum Pollich.J Clover field at 
Dounton, High Wycombe, Bucks, (J. Britten.) A weed in a 
barley field at Hawnby, N.E. Yorks, (J. G. Baker,) and seen 
several times by both of us in forage fields in the neighbourhood 
of Thirsk. 
Vicia (Ervum) Monanthos.' Numerous specimens in a field of V. 
saliva at Allenheads, Northumberland, 450 yards above sea- 
level, July and August, 1865. (J. G. B.) 
Bupleurum protractum. Meadow near Gloucester, Dr. St. Brody. 
Ammi majus. Bank of the Severn near Gloucester, Dr. St. Brody. 
Artemisia scoparia , with Hibiscus Trionum, Malva crispa, and other 
mostly Mid-European species in great abundance in London 
on the site of the Exhibition of 1862. W. J. Dyer. 
Aster leucanthemus Dcsf. One root from 1860 to 1865, near Thim- 
ble bridge, Thames Ditton, Surrey, where it will be likely soon 
lost by building changes. H. C. Watson. 
Phyteuma spicatum. A single root of the blue flowered variety on 
a railway embankment near Hill Wotton, Warwick. ' H. 
Bromwich 
Echinospermum Lappula. In the same station as the Neslia and 
Saponaria Vaccaria mentioned above. 
