THE ALGE OF THE CLYDE SEA AREA. 981 
Tribe CERAMIER. 
Creramium Lyngb. 
a, INERMES. 
C. com a Ag. = C. nodosum Phye. Brit. Cumbrae! D. R. 
“Common,” M. Brodick Bay, Herb. Glasg. Univ. 
C. Des advo pdhanlgale Chauv. Cumbrae! D. R. -Ardrossan, Herb. 
Brit. Mus. Brodick, M. Saltcoats! Herb. Landsb. 
C, strictum Hary. Cumbrae! D. R. Lamlash, M 
*C, eae Roth. Cumbrae! D. R. Ardrossan, , Herb. B rit. 
‘ an, Landsb. Portincross, Ardrossan, Herb. Glasg. Une 
Not mentioned by Mahoney ! 
circinatum J. Ag. = ys decurrens Phyc. Brit. Cumbrae! D.R. 
Arran, oo in Herb. Brit. Mus. aes Herb. Glasg. Uniy. 
C. rubrum Ag. Cumbrae! Tan Buoy! D.R. Innellan! T. 
King. Gourock and Kilbride shore, Herb. Lyon in Brit. Mus. 
er ae Herb. Glasg. Uni 
* brum : decurrens J. her Ardrossan, boom Bs Kilcreggan, 
Herb. Glasg. U niv. Dunoon! T. Kin 2 ie This va riety comes very 
near C. circinatum, but differs from it in having the lower portion 
of the filaments completely corticated, ‘while above there is a narrow 
hyaline space in the middle of each internode, and in having small 
immersed tetraspores. 
C. rubrum f. prolifera J. = C. botryocarpum Phyc. Brit. 
‘«Common,” M. Salbccated aes: ‘Smdad. Corri gee Gourock, 
Dunoon, Brodick, Cumbrae, Kirn, Herb. Glasg. Uui 
B. Armatz. 
C. echionotum J. Ag. Cumbrae! D.R. Saltcoats! Herb. Landsb. 
Cc. “osetia sare Carm. Cumbrae! D.R. Gourock, P ortincross, 
Herb. Glasg. 
C. ciliatum Deas. Arran, Landsb. ‘Common,’ M. Salt- 
coats! Herb. Landsb. 
C oe um - Ag. Cumbrae! D.R. Ailsa, M. Portincross, 
Herb. Glasg. Uni 
Cohort Cryproneminz. 
Order GLa@osiPHonIAcER. 
GuaosipHonta Carm. 
. capillaris Carm. Cumbrae! J. L. in Herb. Robertson. 
Saltcoats! D. L.; Herb. oe in Brit. Mus. Arran, Landsb. 
drossan, Herb. Glasg. Uni 
aD 
Order GRatELOUPIACER. 
YMENIA Ag. 
i @ Seailate ‘Ag. Cumbrae! D.R. Girvan, M. Arran, Landsb. 
Brit. Seaw. p. 228 
Order Dumontiacez. 
Dumontra Lam 
D. viliformis Grey. Ptoaag sel: D. R. Innellan! T. King. 
Ardrossan, Herb. Brit. Arran, Landsb. Corriegills, Kirn, 
Herb. Glasg. Univ. 
*D, jilifor mis f. erispata J. Ag. Saltcoats! Herb. Landsb. 
