ul 
THE ALGA-FLORA OF CAMBRIDGESHIRE. 295 
Var. aupestris (W. Sm.) Rabenh. Syn. LE. alpestris W. Sm 
E. Argus var. amphicephala Gran. 5. Wicken Fen; Chippenham Rams 
356. E. arseruta Kitz. 8. Wimpole Park. 5. Chippenham 
Fen. 
857. Eunotia PECTINALIS Ph bi Rabenh. Syn. Himantidium 
sree (Dillw.) Kiitz. 3. Sheep’s Green, Cambridge. 5. Wicken 
; Chippenham Pen, A Pe ‘a is given showing ‘the reticular 
araeiare sometimes exhibited by the cell-contents, owing to the 
aes of large vacuoles (Pl. 395, fig. 8). 
358. H.sp. Valve slightly arcuate, sides subparallel and mi- 
nutely undulate, apices rounded, slightly subcapitate; stria 10 in 
-. PS rae 106-111 p (Pl. 396, figs. 12, 18). 5. Wicken Fen, 
requen 
35 e E. Lunaris (Ehrenb.) Grun. Syn. Synedra lunaris Ehrenb. 
3. Sheep’s Green, Cambridge; Trumpington ; Hardwick ; Wimpole 
oe: 5. Bur wel Wicken Fen; Fordham ; Chippenham Fen. 
on. 8. Gu 
Var BILUNARIS (Ehrenb. ) Grun. 5. Chippenham Fen. 
360. E. ruexvosa Kiitz. var. sicers (W. Sm.). ye Synedra 
biceps W. Sm.; Hunotia E batoaet: var. bicapitata Grun. 5. Wicken 
Fen ; Chippenham Fen 
Fam. a, A 
361. Synepra putcuetia Kiitz. 3. Sheep’s Green, Cambridge; 
Comberton; Lord’s Bridge; al: Wimpole Park. 4. Histon. 
5. Wicken Fen ; Chippenham Fen; Burwell. 6. Sutton. 8. Guy- 
itl 
Var. minutissima (W. Sm.). Syn. S. minutissima W. 
S. pulchella var. lanceolata O’ Meara. 3. Sheep’s Green, Cambria 
7. Sutton en. 
oe Ss. tape Kiitz., ne Coton. 
S. Una (Nitzsch) E renb. 8. Ditch, St- John’s College 
«baake,” Cambridge ; Cote bert Wimpole Park. 5. Wicken Fen. 
6. Near Ely; Sutton. 
Var. es (Kiitz.) Brun. Syn. S. splendens Kiitz.; 8. ra- 
dians W. Sm. 2. Dernford Fen, 1 mile 8S. of Shelford. 3. Prone? 
Green, Cambridge ; agg Hardwick; Lord’s Bridge. 5. 
Wicken Fen; Fordham. 6. Near Ely. 
Var. OXYRHYNCHUS (Kiitz.) Yon Heure k. Syn. S. oawyrhynchus 
Kiitz. 2. sas Fen, 1 mile S.of Shelford. 8. Sheep’s Green, 
‘Cambridge. 5. Chippenham Fen. 
364. 8. iste (Kutz.) Grun. 3. Sheep’s Green, Cambridge ; 
Coton ; Hardwick; <i Bridge; Wimpole Park. 5. Wicken Fen; 
Chippenham m Fen. 6. Roswell Pits, Ely; Sutton 
Var. metcxtasn (W ‘Sm.) Grun. Syn. S. delicatissima W. 8m 
. Comber 5. Fordham. 6. Near Ely. 7. Sutton V West Fen. 
Var. ancustissmma Grun. 8. bees eend ees 6. Near oe 
Guyhirne. A peculiar form of this sp was 
observed fro 
Wicken Fen with the median portion of ihe valve inflated (P1. 396, 
fig. 14). 
