1905] Cushman, Desmid Flora of New Hampshire 251 
A CONTRIBUTION TO THE DESMID FLORA OF NEW 
HAMPSHIRE. 
JosEpH A. CUSHMAN. 
(Continued from page 119.) 
EuaAsTRUM Ehrenb. 
E. crassum (Bréb.) Kütz. (Æ. magnificum, var. crassioides Hast.) 
Length 155-176 u: breadth 78-90 u: isthmus 25-28 p: breadth of 
polar lobe 42-61 u. North Woodstock! Pudding Pond, North Con- 
way! Rochester (Hastings). 
* Var. pulchrum var. nov. (Plate 64, fig. 1). Variety with four 
small central granules and an abundance of smaller granules arranged 
as in the figure, in form more like the typical form than like var. 
scrobiculatum. | Length 155 p: breadth 75 p: isthmus 25 a: breadth 
of polar lobe 46 p. Pudding Pond, North Conway! (Herbarium 
Cushman no. 118). 
Var. ORNATUM (Wood) Hansg. (Æ. ornatum Wood.) Length 
175 p: breadth 95 y: isthmus 25 p: breadth of polar lobes 56 y, 
Pudding Pond, North Conway, frequent! Saco Lake (Wood). 
E. MULTILOBATUM Wood. Length 130 p: breadth 65 mw: isthmus 
18 u: breadth of polar lobe 21 p. Intervale! Pudding Pond, North 
Conway! Saco Lake ( Wood). 
E. PINNATUM Ralfs. Length 133 P: breadth 72 y: isthmus 17 
p: breadth of polar lobe 35 q. North Woodstock, common ! 
* E. CUNEATUM Jenner. Length 102-140 p: breadth 59-62 p: 
isthmus 14-15 4: breadth of polar lobe 28-33 u. Mt. Moosilauke ! 
* Var. granulatum var. nov. Variety with the surface covered 
with fairly large granules. North Woodstock ! 
E. WoLLEI Lagerh. Length 170 4: breadth 108 u: isthmus 21 p: 
breadth of polar lobe 60 q. Surface granular. Pudding Pond, North 
Conway ! 
E. ANSATUM Ehrenb. (Æ. Aa/fsii Wood.) White Mountains, 
( Wood). 
* As in the preceding part of this paper, starred forms are new to the New 
England Flora. 
