empty, in two or three rows ; those of the outer stratum minute, irregularly 
placed, and full of coloured matter. , 
This very interesting plant, by far the most important addi- 
tion which has been made to the British Marine Flora since the 
commencement of the present work, was discovered on the 21st 
October, 1847, by Dr. John Cocks of Plymouth, among rejecta- 
menta on the shore at Bovisand. A few days subsequently it 
was met with in a neighbouring station by the Rev. W. 8. Hore, 
who at the same time gathered the equally rare and curious 
Carpomitra Cabrere ; and to the untiring perseverance of both 
these gentlemen, who, day by day, during the inclement month 
of November—in all weathers—visited the shore, and preserved 
every scrap of these plants which the waves threw up, we are 
mdebted for all the British specimens which have yet been taken 
of the Stenogramme, and for all, except Miss Ball’s original one, 
of the Carpomitra. To Dr. Cocks and My. Hore, [ am anxious 
to express my obligations for numerous specimens of these rare 
plants ; and to the latter especially, for much important informa- 
tion illustrating the history of the present. It is right to state _ 
that Mr. Hore’s observation led to my correcting the error into 
which, following Agardh, I should have fallen, of describing the 
thickening of the frond, caused by incipient fructification, as a true 
nerve. Mr. Hore having found a barren specimen in which no 
such nerve exists, established the truth of his view, which he had 
previously entertained from other considerations. 
The genus Stexogramme was originally proposed by me, in the 
‘Botany of Beechey’s Voyage,’ for a plant found on the coast of 
California which strongly resembles the present im habit, and 
quite agrees with it in structure and fructification. Strange to 
say, according to a specimen preserved in Bory St. Vincent's 
Herbarium, 8. Californica appears to be a native of France also! 
English specimens of S. cxterrupta are broader, less regularly, 
and less deeply divided than the figure of a Spanish specimen 
given by Montagne ; but I am assured by my learned “ Confrere 
en Flore,” that he considers the plants to be identical. 
Fig. 1. SreNOGRAMME INTERRUPTA:—of the natural size. 2. Portion :— 
slightly magnified. 3. Vertical cross section of half the breadth of a fertile 
lacinia. 4. Spores. 5. Magnified view of the surface :—all magnified. 6 
Portion of a frond with fimbriated margin and spherical conceptacle :—of 
the natural size. 7. Section of the same :—magnified. 
