UTRICULARIA NEGLECTA. 73 
Exotic and Introduced Species. 
Bitnias orienlalis, L. Waste ground, Shepherd's Bush. W. T. Dyer. 
Ahjmim calycinuin, L. Waterbeach, Cambridge, F. A. Hanbury. 
Malva parvifiora, L. Meadows, Gloucester. G. O. St. Brody. (This 
is quite the same as a plant lately become frequent about London. 
It is larger and more erect than the M. parviflora of the Linnean 
Herbarium.) 
Trifolium elegans, Savi ? One root among sown T. pratense. Tele- 
graph field, Claygate, Surrey. H. C. Watson ; who sends also speci- 
mens of T hybridum, from which T. elegans is scarcely distinct. 
Vicia pannonica, Jacq., var. purpurascens, De Cand. Weed in a 
garden, Honicknowle, Devon. T. R. A. Briggs. 
Potentilla hirta, L. Kew Green ; subspontaneous. J. G. Baker. 
Barkhausia fcetida, DO. Cornfield, Woodlass, Warwick. H. Brom- 
wich.— Clover field, Chessington, Surrey. H. C. Watson. 
Nicandra physaloides, Gsertn. Old brickfield, Margate, Kent. J. 
T. B. Syme. 
Chenopodium ambrosioides, L. (Ambrina, Spach) ; C. multijidum, L. 
{Roubiceva, Moquin). Near Gloucester. G. O. St. Brody. (These 
two species, both apparently natives of the New World, are now 
widely-diffused weeds.) 
Cynosurus echinatus, L. Clover-field near Hook, Surrey. H. C. 
Watson. 
Bromus arvensis, L. The Parks, Oxford. H. Boswell. 
J. G. Baker. 
Henry Trimen. 
Explanation of Plate LXT., representing Potamogeton decipitns, Nolte, 
from a specimen collected by Mrs. Hopkins in a canal near Bath. Fig. 1. 
Fragment of leaf magnified to show the characteristics of the edge, and the 
venation. Fig. 2. Flower magnified. 
UTRICULARIA NEGLECTA, Lehm. 
We have been shown a specimen of this plant in the herbarium of 
the British Museum, collected by the late Edward Forster in a gravel 
pit in Henhault Forest, Essex. 
