148 FLORA OF ALDERNEY. 



Mesogloia vermieulata, Le Jo/. Longy Bay. Braye Bay. Corbelets. 



Liebmannia Leveillei, J. Ag. Corbelets. 

 *Castagnea Zosterae, Thur. Braye Bay. 



Petrospongium Berkeleyi, Nag. Braye Bay. Platte Saline. 

 *Leathesia CPispa, Sarv. Parasitic on Chondrus crispus. Platte Saline. 

 Fort Houmet, 



Dietyopteris polypodioides, Lam. Braye Bay. 

 Erythrotriehia earnea, /. Ag. Fort Honmet. 



*E. l'eflexa, Thur. On Gorallina with Hecaionema ; rocks behind Fort 



Honmet. Only found once before in Britain. 

 *Porphyra leueOStieta, Thur. Platte Saline. 



*Chantransia Virgatula, Thur. Corbelets Bay, on Cera mi urn. rubrum. 

 *C. seeundata, Thur. Longy Bay. Fort Honmet. 

 *Nemalion lubrieum, Duhj. Behind Fort Honmet, at extreme low water 



mark. 



Gelidium pulehellum, Kutz. Fort Houmet. 



Phyllophora palmettoides, J. Ag. Braye Bay. 

 GymnogOngTUS nOPVegieus, J. Ag. Braye Bay. 



Catenella Opuntia, Grev. Rather common all round the coast, on rocks 

 just below high water mark. 



Lomentaria elavellosa, Gain. Longy Bay. 



Nitophyllum Gmelini, Sarv. Corbelets Bay. 



Polysiphonia sePtularioides, J. Ag. Longy Bay Braye Bay. Rocks 



behind Fort Houmet. 



Spermothamnion Turneri, Aresch. Corbelets. 



*Trailliella intrieata, Batt. {Spermothamnion intrieatum, Rev. Cat.; Longv 

 Bay. 

 PtilOthamnion pluma, Thur. Corbelets. 



*Grifflthsia devoniensis, Haw. Corbelets. 



*Rhodoehorton membranaeeum, Magn. Longy Bay, parasitic on Scr- 

 tularia. 



*Callithamnion polyspermum, c. Ag. Corbelets. 



C tetragonum, C. Ag. Platte Saline. 

 C. granulatum, 0. Ag. Platte Saline. 

 C. bySSOideS, Am. Platte Saline. 

 Ceramium Strietum, Rarv. Platte Saline. 

 C. tenuiSSimum, /. Ag. Longy Bay. 

 C. flabelligerum, /. Ag. Fort Houmet, 



Melobesia membranaeea, Lam. Fort Houmet, 



M. pustlllata, Lam. Platte Saline, on Chondrus crispus. 

 *M. farinosa, Lam. Platte Saline. 

 M. eorallinse, Cm. Fort Houmet, 



Corallina squamata, Ellis. Platte Saline. 



C. rubens, Ellis. Brave Bay. Platte Saline. Corbelets. 



