204 GENERA WITH ONE-CELLED OVARY, 
and to appearance flowerless. My specimens are from St. Helen’s 
Spit, Isle of Wight, where it was found by Mr. A. G. More, in May, 
1858, and properly named by him; and from Bluntisham, Hunts., 
gathered in 1846 by Mr. Newbould. In May, 1864, I met with it 
in abundance on recently reclaimed and at present nearly barren sandy 
ground at Holme-next-the-Sea, in Norfolk. It there formed dense 
prostrate masses of plants all spreading from one centre, and often 
covering a space of a foot in diameter. ‘The individual plants were so 
matted together as to render it impossible to separate them without 
very extensive injury. 
r. More supplied me with seed of his plant in 1859, and I have 
grown it in pots each year since that time. The plants are exactly ` 
like the wild specimens, but less luxuriant. They are now (May 28) 
beginning to fade, and will manifestly not live much longer. 
There is no doubt that the original Alsine of Linnæus is typically 
represented by our Stellaria media, and it is unfortunate that, Wahlen- 
berg applied that name, rendered vacant by the transfer of 4. media to 
the genus Stellaria, to species which Linnzus would not have so 
named. The Alsine, Linn., and disine, Wahl., are totally distinct 
genera, whatever opinion we may hold concerning the relationship of 
the former to the Linnean Stellaria as represented by S. nemorum and 
S. Holostea, and of the latter to the genus Arenaria, as now restricted 
by many botanists. It seems scarcely expedient to attempt a return 
to the Linnean nomenclature; for I do not think that a natural 
classification is produced thereby. The distribution of the Alsinee 
into genera is very unsatisfactory. We must wait until some botanist 
discovers the true principle of classification in this group. Meanwhile 
it is clear that those who separate our present plant specifically from 
S. media are bound to adopt Du Mortier’s name pallida in place of Jor- 
dan's more recent term Boreana. 
ON SOME GENERA WITH ONE-CELLED OVARY, 
REFERRED TO HEDERACER 
Bv BERTHOLD SEEMANN, Ph.D., F.L.S. 
Whilst searching for satisfactory limits between Apiacee (Umlelli- 
feræ) and Hederacee, 1 have been led to examine the genera with one- 
