916 THE ALGA-FLORA OF CAMBRIDGESHIRE. 
Lace, 1888, ex Journ. Linn. Soe. xxviii. 314 [1891]). #.—Afighan- 
istan ; Kurrum Valley, long. 70° (Dr. Aitchison, 1885, no. 205, et ex 
Trans. Linn. Soe. ser. 2, iid 41[ [1888] ). W.—S.W. Pella Ida 
CB RG and Adrar M gorn, long: 10° (Cosson, 1876, in 1 herb. pro 
Compend. fl. Atlant. ined. The discovery of the plant by Heldreich 
at ose base of Mt. Pateras, in the nome of Attica, ; in 1884 (Herb. 
ac. Norm. no. 829, “ Flore a civis nova’’), is a most 
interesting extension of the range of the species. 
(To be continued.) 
THE ALGA-FLORA OF CAMBRIDGESHIRE. 
By G. 8. West, B.A., A.R.C.S. 
Scholar of St. John’s College, Cambridge. 
(Puates 394-396.) 
(Continued from p. 116.) 
114. C. aspreviatrum Racib. in pepe Akad. Umiej. w 
Krakowie, Wydz. matem.-prz. x. 1885, 83, t. . f. 18. A rather 
small form with a narrower isthmus ; long. 13. 5 p3 lat. 13°5 p; 
lat. isthm. 2». 6. Roswell Pits, Ely. 
Several larger forms were also seen with more sounded lateral 
om long. 20-22 pw; lat. 22; lat. isthm. 4°8-5°5 p. 6. Ros 
well , Ely. 8. Twenty-foot River, between ans, and Gu 
115. C. Ruenetxun Wille, ew til Sydamerik. Alg.-fl.,’ Bih. 
till K. Sv. Vet.-Akad. Handl. Bd. 8, no. 18, 1884, 16, ti. f. 84. 
The specimens —— ed Se rsahed the variety asco ied 
West & G. 8. West (Trans. Linn. Soc. bot. ser. 2, v. 1895, 58, t. vi. 
f. 89), but were proportionately longer, and had a very narrow 
hmus. Long. we; lat. 14°5 ; lat. isthm. 3p. 8. Twenty- 
foot River, between March and Gayhime 
116. C. npressutum Elfy. Dernford Fen, 1 mile 8. of Shel- 
py a . a West Fen. 8. ae foot River, between March 
an 
. C. tave Rabenh. . SEPTENTRIONALE Wille. 8. R. Cam 
at Oanbiase 5. Wicken 
.C. M enemas 8. Hardwick. The Washes, 
Sutton ae ponds, Marsh: 8. Twenty-foot Ries between March 
uy 
vi Forma OOTANGULARIS Wille. 5. Wicken Fen. 6. Roswell Pits, 
e 
