254 Rhodora [DECEMBER 
M. RINGENS Bail., var. SERRATULA Wolle. Laconia ( Wests, H. J. 
nos. 650, 679)! 
M. AMERICANA (Ehrenb.) Ralfs. Length 140 mw: breadth 125 p: 
isthmus 28 u: breadth of polar lobe 77 q. North Woodstock ! 
Var. RECTA Wolle. Length 143 u: breadth 121 u: isthmus 28 p: 
breadth of polar lobe 65 u. North Woodstock (H. C. no. 179). 
Although this is of about the same size as the typical form the whole 
character of the end lobe is quite different. 
M. MAHABULESHWARENSIS Hobson. Meredith, rare (Johnson). 
M. NorpstepTIANA Wolle. Breadth 170 p. Meredith, rare 
(Johnson). 
M. cRENATA Bréb. Hanover (Edwards). 
M. TRUNCATA (Corda) Bréb. Length 77-118 p: breadth 82-105 - 
p: isthmus 21-24 p: breadth of polar lobe 60-78 up. Intervale! 
Pudding Pond, North Conway ! 
M. LATICEPS Nordst., forma MAJOR Nordst. Length 150 p: 
breadth 198 p: isthmus 31 q. Pudding Pond, North Conway, rare ! 
M. PINNATIFIDA (Kiitz.) Ralfs. Length 56-65 u: breadth 68- 
72 p: isthmus 9.5 4: breadth of polar lobe 50 q. Intervale! Pud- 
ding Pond, North Conway ! 
M. DEPAUPERATA Nordst., var. WoLLEI Cushman. Length 140 p: 
breadth 130 w: isthmus 25 q: breadth of polar lobe 9o m. Pudding 
Pond, North Conway, rare ! 
M. FOLIACEa Bail. Length 80-96 4: breadth 80-85 p: isthmus 
14.5-15 p: breadth of polar lobe 36-38 q. Pudding Pond, North 
Conway, rare! Laconia, rather scarce in a pond on a stream flow- 
ing from Lake Winnepesauke (Wesfs, H. J. no. 665)! 
M. MURICATA Bail. Length 160-180 p : breadth 120-140 p: isth- 
mus 21-22 p: breadth of polar lobe 120-140 u. Pudding Pond, 
North Conway, rare ! 
* Forma minor forma nov. Length 123 u: breadth 84 u: isthmus 
16 u: breadth of polar lobe 84 q. Intervale! 
CosMARIUM (Corda) Lund. 
C. coNNATUM Bréb. (Calocylindrus connatus Wolle, ’92). Length 
53-56 p: breadth 40-45 mw: isthmus 37-42 4. Pudding Pond, North 
Conway! Intervale ! 
C. PSEUDOCONNATUM Nordst. (Calocylindrus pseudoconnatus 
