REPORT FOR 1910. 
565 
segregate ; those on the mud rooting at every node and having quite 
different leaf characteristics from those which had to force their way 
up through the grass which only rooted at the base. The length 
of the peduncle also varied on the same plant from sessile to 2 or 
3 inches long. — McTaggart Cowan, jun. Three sheets of this 
species have come to hand, bearing very different looking plants, 
but the sa 7 )ie reference No. If, as I suspect, they all come from 
within a short distance of one another, but growing under different 
surroundings, they only serve to illustrate more plainly the im- 
possibility of distinguishing by name the protean forms which 
A. nodiflorum takes. It seems to be a plant peculiarly susceptible 
to surrounding influences. 
1. One fairly large plant, 20 inches high, may be called var. lon- 
gipedunailatuni, Schultz. It agrees with description of that var., and 
with type specimen, in long slender stem, with remarkably long 
internodes, and a few roots at the lower nodes. The leaflets should 
be rather more coarsely serrate ; but even here they show a ten- 
dency to small lobes. Leaves long-petioled. Leaflets should be 
5-7 : here they run to 9 in the lower leaves. Rays of umbels 4-7 : 
involucre present. The most serious departure from Schultz’s var. 
is in the peduncles being rather too short. But it is much nearer 
that than anything else, and may fairly go by the name. 
2. Two small slender plants, about half the length of No. i ; 
parts reduced in proportion. They root rather more. But the 
petioles are not so long in proportion; involucre is not always 
present. It may be called ochreatum^ DC., which however roots 
at more of the nodes. The specimens have, as in ochreatum, the 
well-marked dilatation of petiole, leaflets 5-7 sublanceolate, terminal 
longer than broad ; peduncle shorter than rays ; involucre bracts 
o or 1-2. Their most serious divergence from ochreatuvi lies in 
the slender habit, and long internodes. 
3. Five small specimens, some rooting considerably, others 
not. All have a marked arching growth. I cannot place them 
to any of our named forms, though of course they show certain 
marked points of resemblance, especially in size, to pseudo-repens, 
Wats., but they are not that variety. — H. J. Riddelsdell. The 
larc^er of the two plants is var. longipedunculatum, Schultz ; I have 
compared it with the type from Duddington Loch. The other 
comes nearer to var. pseudo -repens, H. C. Watson, than to any 
other named variety. It differs in having often rather more leaflets. 
Edmund Baker. I cannot separate my specimens from weak 
EdWARD S. MARSHALL. 
Carum verticillatum, Koch. Surrey, near Woking, July 25, 
1910. Some members may care to have an example of this from 
its most eastern locality in Britain. See ‘ Journ. Bot.’ 1908, p. 300. 
Q E. Salmon. Mrs. Davy showed me this from the Surrey 
