322 Marine Alga; of Berwick-on-Tiveed. 



CALLITHAMNION, Lyngb. 



Callithamnion pluma (Dillw.) Ag. 



Spec. Alg. ii., p. 162. — Conferva pluma, Dillw., Conf., p. 

 119, t. F. 

 Descr. Callithamnion pluma, Harv., Phyc. Brit. 

 Fig. „ „ Harv., I.e. p. 296. 



Ptilothamnion plnma, Bornet et Thuret, Notes Algol., p. XII., and 

 179, pi. 46. 

 Exsicc. Callithamnion pluma, Crouan, Alg. Finist., no. 126. 

 Syn. „ „ J. Ag., Spec. Alg. n., p. 25 ; Id., Epicr., 



p. 16 ; Ktz., Spec. Alg., p. 647 ; Ktz., Tab. Phyc. xi., t. 82. 

 Ptilothamnion pluma, Thur., in Le Jol., Liste Alg. Cherb., p. 118. 

 Herpothamnion pluma, Nceg., Morph. und Syst. Ceram., p. 413. 

 Ceramium pluma, Ag., Syst., p. 132. 



Callithamnion plumula, var, pusillum, Lyngb., Hydr. Dan., p. 

 127, t. 39. 

 Hah. On the stems of Laminaria hyperborea. Fruit July and Aug- 

 Very rare. Berwick Bay. 



Callithamnion corymbosum (Eng. Bot.) Lyngb. 



Hydr. Dan., p. 125, t. 38. — Conferva corymbosa, Eng. Bot., 

 t. 2352. 

 Descr. Callithamnion corymbosum, Harv., Phyc. Brit. 

 Fig. „ „ ■ Harv., I.e. p\. 272; Bornet et Thuret, 



Etudes Phycol., pis. 32-35. 

 Exsicc. ,, ,, Wyatt, Alg. Damn., no. 92 ; Crouan, 



Alg. Finist., no. 139. 

 Syn. ,, ,, J. Ag., Spec. Alg. n., p. 41 ; Id., 



Epicr., p. 40. 

 Phlebothamnion corymbosum, Ktz., Spec. Alg., p. 657 ; Id., Tab. 



Phyc. xii., t. 9, fig. c and D. 

 Poecilothamnion corymbosum, Ncegeli, Morph. und Syst. Cerami- 

 acese., p. 411. 

 Hab. On mud-covered rocks near low-water mark. June — Oct. Very 

 rare. Berwick Bay. 



Callithamnion granulatum (Ducluz) Ag. 



Spec. Alg. ii., p. 177. — Ceramium granulatum, Ducluz, Ess., 

 p. 72. 

 Descr. Callithamnion spongiosum, Harv., Phyc. Brit. 

 Fig. „ ,, Harv., I.e. pi. 125. 



Evsicc. „ „ Wyatt, Alg. Damn., no. 93. 



Callithamnion granalatum, Cm., Alg. Finist., no. 155 ; Le Jol., 

 Alg. Mar. Cherb., no. 62 ; Rabenh., Alg. Eur., no. 1398. 



