SHORT NOTES. 875 
Harmer, by aid of the ‘ Cybele Britannica,’ will carry his examina- 
tion of Mr. Baker’s valuable paper a little ea he will find that 
of twenty pascual British plants, Class A contains not one, and 
Class B on =o one, Luzula campestris. No hard and fast line can be 
rawn betw ae and Pratal plants, but yin this statement 
I _ field Rotenicls will agree. bein Frye 
JERATOPHYLLUM SUBMERSU p> Hun 
This pilin plentifully in the Wash easy re Boaford gn 
from Karith to Oxlode, and in ditches connected with the Ouse at 
t. Ives, Hunts. It flowers aes but [ have not been ~ to get 
fully matured fruit, although I have met with some sufficiently 
advanced to show the dovering a f iedas it tubercles’? mentioned 
as puceucteeistie’ by Syme in ‘English Botany.’ Sometimes a form 
occurs with a strong tubercle on each side of the bane of the fruit, 
like ‘*the rudiments of the spines of C. demersum”’; but of this I 
have only been able to get very immature ex amples, owing to the 
fruit being so frequently eaten off by aquatic larve. The fruits are 
produced as freely in deep as in shallow SEONG an oes the plant grows 
Seecinotia in the former, the upper shoots are crowded together so as 
to be brought within the influence of warmth and sunlight. C. de- 
mersum seems to = ss nt from these localities.—Atrrep Fryer. 
Rume n Mippiesex anp O — In the ‘ Flora of 
Middlesex,’ p >. 238, ‘this plant is placed in brackets, as = rae 8 
Syme (see Top. Bot. ed. 1, 665), but Mr. Newbould informs me 
that he observed it in that locality some few years since. Mr. 
John Benbow, of Uxbridge, has lately presented ‘prea of this 
and of R. palustris, collected by him near West Drayton, to the 
British Museum Herbarium, and writes as follows as to their place 
of growth :—*‘ Yesterday [Oct. 31] I revisited the habitat of Rumex 
pa and R. maritimus: it is undoubtedly in Middlesex, just 
without the boundary of Bucks. In 1864, when I last searched the 
spot, I found a solitary specimen of R. palustris only. Yesterday I 
counted more than tw enty plants of R. maritimus, whilst R. alesis is 
pe citable Ae in ay greater abundance all round the ato e of the 
‘ka docks, for one or two mounds which rise ‘tiphtly oa the 
levels are also covered with young plants, Should the ensuing 
