1905] Cushman, Desmid Flora of New Hampshire 255 
Wolle, '92). Length 32 p: breadth 22 m: isthmus 20 p. Intervale, 
frequent ! 
*C. Tuwarresn Ralfs. (Calocylindrus Thwaitesii Wolle, *92). 
Length 133 p: breadth 5o p : isthmus 40 p. North Woodstock (H. 
C. no. 183)! 
C. MONILIFORME (Turp.) Ralfs., forma ELoNGATA W. & G. S. 
West. Length 41 4: breadth 11 y: isthmus 7 p. Laconia (H. J. no. 
658). 
C. viRIDE (Corda) Josh. Length 48-49 m: breadth 25-26 p: isth- 
mus 20 p. Holderness ( Wests). 
C. cLoBosUM Bulnh., var.* suBARCTOUM Lagerh. Length 13.5 4: 
breadth 11 p: isthmus 8 y. Pudding Pond, North Conway (H. C. 
no. 129)! Variety new to the U. S. 
C. CONTRACTUM Kirch. Length 56 a: breadth 40 p: isthmus 
12.5 4. North Woodstock! 
* C. OBLIQUUM Nordst., var. TRIGONUM West. (Plate 64, fig. 4). 
Length 25 p: breadth 19 q: isthmus ro q. Mt. Moosilauke (H. C. 
no. 78)! Variety new to U. S. 
C. Battey1 Wolle. Length 40 p: breadth 45 p: isthmus 15 p. 
Squam Lake! 
C. Recnestt Reinsch. Length 12 p: breadth 12 p: isthmus 
5 m: thickness 5 q. Laconia (Wests). 
C. EXIGUUM Arch., forma* major Nordst. Length 37 p: breadth 
25: isthmus 5 4. Pudding Pond, North Conway! The typical 
form was reported by Wolle from Florida, the variety is new to U. S. 
C. NITIDULUM DeNot. Length 28 4: breadth 25 w: isthmus 6 p. 
Pudding Pond, North Conway ! 
C. PYRAMIDATUM Bréb. Length 78-100 p: breadth 52-59 pm: 
isthmus 9-18 q. North Woodstock! Noone’s Station! 
C. PSEUDOPYRAMIDATUM Lund. Length 56 p: breadth 40 p: 
isthmus 11 q. Intervale! 
* C. claviferum sp. nov. (Plate 64, fig. 3). C. of medium size 
nearly twice as long as wide, surface punctate, the side of each semi- 
cell with ten scattered granules arranged as in the figure; at the 
end are four granules arranged in a diamond form, below near the 
base are four more granules in a curve the two outer ones being 
larger than the inner two, at each side of the semi-cell are two other 
granules: ends of the semi-cells thickened, median region at the 
isthmus depressed. Length 44 p: breadth 26 mw: isthmus 8.5 p. 
Pudding Pond, North Conway ! 
