235 
Potamogeton panormitanus Biv. Bern. [Ref. 1858]. Marsh 
ditches near Lewes, E. Sussex, v.c. 14, Aug. 27, 1933. — E. C. 
Wallace. Yes ; as far as the leaves are concerned, no fruit 
being present. — J. Fraser. Well-prepared specimens, which 
show the connate stipules that distinguish this species from 
P. pusillus L. — H. W. Pugsley. 
Potamogeton pectinatus L. With ample ripe fruits. Barrow 
Gurney Reservoirs, N. Somerset, Oct. 6, 1933. Mostly from 
enormous masses left stranded on the N. embankment of the 
middle reservoir. Some of the filiform pedicels are 7 and 8 
inches long. The extra packets of fruits were mostly from the 
top Reservoir, then 18ft. 6in. below H.W. level. — H. S. 
Thompson. I agree. Very well developed fruit. — J. Fraser. 
Yes, a common form of the var. diffusus Hagstr. — W. H. 
Pearsall. 
Rvppia rostellata Koch. Ditch by the Cuckmere, near the 
sea, E. Sussex, v.c. 14, July 2, 1933. — E. C. Wallace. Yes. — 
W. H. Pearsall. Correct.— -J. Fraser. 
Zostera nana Roth. [No. 503]. Mud flats opposite Golant, 
near Fowey, Cornwall East, v.c. 2 ; abundant but apparently 
not flowering. Sept. 22, 1933. This species may be 
distinguished from small forms of Z. marina L. by the retuse 
instead of rounded apex of its leaves. — H. W. Pugsley. 
Cyperus fuscus L. Shalford, Surrey, Sept. 7, 1933. — R. J. 
Burdon. Discovered there in 1846 by J. D. Salmon, Phyt. 
11, 609 (1847). C. E. Salmon pointed out in his FI. of Surrey, 
1931, “it seems somewhat uncertain — even intermittent — 
in its appearance, according to the evidence of various 
observers of repute. . . . not found ’86-7 ”... “ See . . . 
W.B.E.C. 1887-8, J.B. 1893, 369.” The note by F. H. Ward 
in our Report for 1887 says : “ The pond . . . was completely 
dried up this year, and only a few dwarf specimens could be 
found.” It was extremely scarce in its chief Somerset station 
last year. — Ed. 
Kobresia bipartita Dalla Torre. Widdybank, Upper Tees- 
dale, Durham, June 28, 1933. [No. 501].— H. W. Pugsley. 
Kobresia bipartita Dalla Torre. Abundant over a small 
area on the wet moorland above Killin ; alt. ca. 2,000 ft. 
Mid- Perthshire, v.c. 88, July 30, 1933. Coll. R. Mackechnie 
and E. C. Wallace. The nomenclature of Schinz and Keller 
(1905) is Cobresia bipartita (Bell.) Dalla Torre. — Ed. 
