294 THE ALGA-FLORA OF CAMBRIDGESHIRE,. 
. G.. on1vaceum (Lyngb.) Kiitz. 3. Sheep’s Green, oe 
bie ‘Comberton ; Wimpole Park. 5. WickenFen. 6. Near 
343. Ruorcospnenta curvata (Kiitz.) Grun. Syn. Conphinone 
curvatum Kitz. 8. Sheep’s Green, Cambridge; Combe 6. 
ees rEly. 7. The Washes, Sutton, and Sutton West Fen. 8. Guy- 
irne. 
Fam. AcHNANTHES. 
344. AcHNANTHIDIUM FLEXELLUM (Batz.) Bréb. Cocconeis 
Thwaitesii Phe Sm. 5. Wicken Fen; Chippenham Fen 
345. ANTHES HunGaARICA Grin: 4, Histon. 6. Sutton. 
Us Panta: S. of M rch. 
6. A. microcepHata (Kiitz.)Grun. Syn. Achnanthidium micro- 
cephalum Kitz. 3. Wimpole Park. 5. Burwell; Wicken Fen; 
ornare phon 6. Near 
s Kitz. 2. De entord Fen, 1 mile S. of Shelford. 
ri sens Ghrenie Cambridge; Comberton; Coton; Lord’s Span 
Girton. 5. Wicken Fen; Fordham ; Chippenham Fen. 6. Ros 
ve Pits, Ely. 
__ 348. A. tinzarts (W. Sm.) Grun. Syn. Achnanthidium lineare 
W.8 3. Harlton. 4. Girton. 6. Near Ely. 7. Sutton West 
Fen ; ponds S. of March. 
49. A. vanceotara (Bréb.) Grun. Syn. Achnanthidium ae 
latum Bréb. 8. Sheep’s Green, ye aaah Comberton; Wimpo 
see 5. Burwell. 6. Sutton. 7. Ponds 8. of March. 
0. Coccorzts Pepicunus ae 2. Dernford Fen, 1 mile 
. of —, 8. Sheep’s Green, Cambridge ; a age 
Girton Wicken ee Rs ippenham Fen. The Washes, 
Seton: nia Sutton West 
351. C. Pracenruna ih ah, 2. Dernford Fen, 1 mile S. of 
Shelford. 3. Ditch, St. John’s College ‘‘ backs, and Sheep's 
Fordham; Ch ippenham Fen. 6. Nea P Bly. 7. The ers 
Sutton, and Sutton West Fen; near March. 8. Guyhirn 
Order Psrupo-RapHipiez. 
Fam. EpITHEMIER. 
ae E. Sorex Kiitz. is ‘Guyhirn 
- E. espa Kiitz. 3. Sheep’s ae Cambridge; Wimpole 
Park. . Wicken Fen; Chippenham Fen. 6. Roswell Pits, Bly. 
7. March. 8. hirne. 
Var. Memeo ee (Kiitz. ) Van Heurck. Syn. F. ventricosa Kitz. 
8. Guyhirn 
355. E. araus Lesa ra ‘Sia 8. Hardwick. 5. Chip 
Fen. 7. Ponds near M 
