
A LIST OF THE ALGH OF LAMLASH BAY, ARRAN. 71 
OrpDER RHIZOPHYLLIDACES. 
Polyides, C. Ag. 
P. rotundus, Grey. 
ORDER CORALLINACEZ. 
Lithothamnion, Phil. 
L. fasciculatum, Aresch. (= Melobesia fasciculata, Phyc. 
Brit.). 
L. coralloides, Crn., f. subsimplex, Batt. 
L. polymorphum, Aresch. (= Melobesia polymorpha, Phyc. 
Brit.). 
Corallina, Lamx. 
C. officinalis, Linn. 
C. rubens, Ellis et So.. (= Jania rubens, Phye. Brit.). 
ADDENDA. 
ORDER SPHACELARIACES. 
Sphacelaria, Lyngb. 
S. radicans, Harv. 
OrDER CHORDARIACE. 
Spermatochnus, Kiitz. 
S. Lejolisit, Rke. 
Tribe Gracilariez. 
Gracilaria, Grev. 
G. confervoides, Grev. 
Tribe Dasyez. 
Dasya,C. Ag. 
D. coccinea, C. Ag. 
D. coccinea, C. Ag., f. tenuis, J. Ag. 
Tribe Monosporee 
Monospora, Solier. 
M. pedicellata, Solier. 
