BOOK-NOTES, NEWS, ETC. 109 
British West Indies (in which work the genus Prioria is established 
in his honour), and as possessed of a“ rich private herbarium 
He presented Jamaica plants to Grisebach rN to Kew, those from 
the Cape to Kew and the National Herbarium, which latter also 
contains his Buropean pew: An interesting character sketch 
: Prior by ‘‘ Corycius Sen omg W. Tuckwell) will be found 
n the ‘ddan Chronicle for Dec. 20, 1902. 
THe *‘ ss to the Fresh- wilt Algee of the North of 0 
land,’’ by Messrs. W. and G. S. West in Trans. R. Irish Acad. xx 
B. 1), i is a iileitie addition to our knowledge of Irish botany. The 
districts investigated included Donegal, and parts of Co. London 
derry, Co. Down, Co. Wicklow, and Co. Louth. The Wicklow cil 
tno though not belonging to the North of Ireland, are included, 
either for convenience or merely as a confirmation of previous 
acces for that cou gi The list contains 614 species and 107 
varieties included in 139 genera, and of these species 24 are new 
records for the British Isles, while about a dozen species are 
escribed as new to science. Many others, though previously re- 
corded from other parts of the British Isles, "have not hitherto been 
found in Ireland. The authors note as remarkable the absence or 
scarcity in the North of Ireland of Euastrum insigne. The three 
Desmids, Micrasterias furcata, Staurastrum Arctiscon, and S. longi- 
spinum, faithful to their traditions of living only in the west of each 
of the British Isles, are only known from lakes in the hilly districts 
of Connemara and Donegal. A certain time was devoted in May, 
tte and August, 1901, to the collection of Plankton-Alge o 
ugh opm “including Lough Beg, and two nets of miller’s silk 
wes  aked with success. rm difference was noticed in the 
material colleced” on the two occasions, and a tabulated list is 
drawn up, t a peck between them an les 
many cases critical notes are appended. The new species and 
varieties, as well as other specially pitarebitiy forms, are 
three plates 
Ar the meeting of the Linnean Society on Feb. 5th, Professor 
F,. W. Oliver read a paper ‘‘On Stephanospermum, Brongniart, a 
genus of fossil Gymnospermous seeds,” which was illustrated b 
found in the pollen-chamber of these two seeds, which were de- 
scribed at length, and a Pied grains of unknown cbllon. soi ahaa 
to occur occasionally. complexity of these soods. 98 onan? 
with those of a Gooatl and other Gymnosperms was pointed 
