Botany and Zoology. 107 
eata, Del., of Egypt, and J. latifolia, Braun, from the lake of Valencia, 
Venezuela. The section Caulinia has N. flexilis, which is found here 
and there in the North of Europe, and several varieties in the West. In- 
dies, Venezuela, &c., V. arguta, H.B.K., in New Granada, WV. minor, All., 
in Europe, Egypt, and India, WV. fasciculata, Braun, in India, and N. 
graminea, Del., in India, Egypt, &e. WV. major, to which our attention 
is at present directed, under several varieties, is widely distributed through- 
out the Old World, in slightly brackish or fresh water, but it wa 
detected by Chamisso in the Sandwich Islands, What is equally re- 
ete Prof. Braun has seen specimens collected in Florida by 
abanis. 
covered in Onondaga Lake, first by Judge G. W. Clinton, on the north- 
nown, are brackish, at least in the vicinity of the salt-works, and 
abounding in maritime and submaritime plants, To the species formerly 
known there, the above gentlemen have added Chenopodium glaucum, Lep- 
tochloa fascicularis, and we believe some others. But a more interesting 
very, of a water-plant not before met with away from the sea cvast, 
Was recently made by Mr. Paine, he having deteeted Ruppia maritima in 
Onondaga Lake, along with Wajas major, equally in a fruiting state. 
o. A. G. 
| 4. Spontaneous return of hybrid plants to their parental forms.—We 
Jardin des Plantes, and of Dr. Godron, of Nancy. The latter was pub- 
lished in full in the Annales des Sciences Naturelles, 4th series, volume xix, 
and also a part of the former, the whole memoir of Naudin, with details 
of the experiments and figures, having been accepted for publication in the 
Mémoires of the French Academy. ‘The prize for which the essays com- 
Peted were awarded to Naudin. A brief account of the two essays ap- 
ared a year ago in the Natural History Review. As respects one, the 
Principal question, to use the summary of the Review, “ the general result 
4s, that Dr. Godron says : simple hybrids are absolutely sterile. Mr. Nau- 
to 40 hybrids experimented upon, three-fourths were 
e ermination.” Hea 
fe : Naudin’s testimony is explicit, 
ts, however constant at first, tend in sub- 
jon of the two specific elements, which 
it, rather intermixed than truly combined, so _ 
bf 
