326 
125. Halymenia ligulata. 126. Catenella 
Opuntia. 127. Codium adherens, Ag. 
(Hook. Journ. of Bot. p. 305; a recent 
addition to our Flora made by Mrs. Grif- 
fiths, but' it is of very rare occurrence). 
198. Bryopsis plumosa. 129. Ectocar- 
pus littoralis. 130. Ectocarpus Merten- 
sii (extremely rare), 131. Myrsotrichia 
claveformis, (Harv. in Hook. Journal of 
Bot. p. 300, tab. 138, a late discovery of Mrs. 
Griffiths, at Torquay). 132. Polysiphonia 
fruticulosa. 133. Polysiphonia urceolata. 
134. Polysiphonia Agardhiana. 135. 
Polysiphonia nigrescens. 136. Polysi- 
phonia fibrillosa. 137. Griffithsia setacea. 
138. Calithamnion Plumula. 139.. 
lithamnion lanosum. 140. Ciüihastiión 
polyspermum. 141. C 
alithamnion tetri- 
cum. 142. Conferva implexa. 143. Con- 
ferva glomerata. 144. Conferva diffusa. 
145. Conferva rectangularis. 146. Con- 
ferva uncialis (Harv. in Hook. Journal of 
Bot. p. 304); lately discovered by Mrs. 
Griffiths, at Torquay). 147. Lyngbya 
majuscula. 148. Mesogloia coccinea (very 
rare). 149. Corynephora marina. 150. 
Schizonema comoides. 151. Schizonema 
Smithi. 
Many persons who take an interest in 
this charming publication, having express- 
ed a desire to possess a “ Manual of the 
British Marine Alge,” it is our intention 
to prepare such a work shortly, and we 
should be thankful to receive specimens of 
new or rare species from any part of our 
‘coasts, as well as information respecting 
unpublished localities of the scarce kinds. 
The descriptions will be written entirely 
in English, and all unnecessary techaseal 
terms will be avoided—Ep. 
Our valued friend, Mr. Edward Forster, 
thus writes to us :—'* My dear Sir, Know- 
~ ing your readiness to correct errors, I 
ud trouble you with the following two observa- 
. tions, which are at your service if you like 
pr use of them for the ** Companion 
appear to be under an SAh that 
Silene patens, E. Bot. Suppl. 2748 (Si- 
" e AR identical with Silene nu- 
BOTANICAL EXCURSION IN THE NEIGHBOURHOOD OF COURTALLAM. 
tans, B. Sm. Engl. Flora; 
which originates probably in a remark 
among the Errata and observations at the 
end of the Supplement, “ There is in Mr. 
Sowerby's Herbarium a specimen of Si- 
lene patens gathered at Dover by Edward 
Forster Esq. in 1822." Well assured 
that I had only found there Svlene nu- 
tans, with the leaves broader than on the 
Nottingham.plant, I was much surprised 
at this statement, and immediately request- 
ed our friend Mr. J. D. C. Sowerby, to 
permit me to examine the specimen alluded 
to. On inspection, the coronary appen- 
dages to the petals, always absent in JS. 
- Italica, appear visible; nor are the get 
mens sitting onan elevated column. These 
characters sufficiently prove that it is only 
the variety of S. nutans, mistaken by 
Hudson for Cucubalus viscosus, (Lychnis 
major noctiflora Dubrensis perennis, New- 
ton in Raii Syn. ed. 2. 211), and by no 
means S. Italica, the British authority for 
which rests solely on Mr. Peete, who as- 
serts that the specimen in his garden, from 
which the drawing was made for the Sup- 
plement, was introduced by himself from 
Dover, where he gathered it, in 1825. The 
reference to Hudson ought to bave been 
omitted. 
Lunularia cruciata, which is become à 
most destructive weed in garden pots in d 
the neighbourhood of London, I found 
truly indigenous many years since, in great 
abundance on Sand Cliff, between Boxhill 
and Betchworth, Surry, as well as on rocks 
at East Grimstead, Sussex. I suspect it is T 
not rare. It will be well figured with Dr. 
Taylor's paper on Marchantie, in the next à i 
Part of the Linnean Transactions." 
—— 
SOME ACCOUNT OF A BOTANICAL - 
EXCURSION, MADE IN #4 
NEIGHBOURHOOD OF COURT- _ 
ALLAM, AND IN THE AD 
CENT MOUNTAINS. 
By Ropert WicnT, M. e s i 
Communicated in 
The cre ii as er nites 
labours of three of the most intellig 
a statement 
