118 GLASS II.— ORDER I. 



RIGID. i 



10. Galax AURA rigida. Articulations invisible ; ! 



branches stiff and brittle, marked with transverse | 



rings; rings covered with a row of straight short ! 



hairs ; colour reddish green ; height one or two cen- 

 timetres. — Plate 8. fig. 4. a. B. 



On the Thalassiophytes of the Indian seas. ; 



LICHEN-FORMED. | 



W.GKhK'S.KHRA. lichenoides. Branches continuous, 

 a little wrinkled, and flattened at the extremities. ; 



Coasts of the Bahamas. 



JANIAN. j 



12. Galaxaura Janio'ides. Stems in tufts; branches | 



dichotomous, filiform, slightly articulated, with a ! 



strong resemblance to those of the genus Jania ; height I 



about two centimetres ; colour whitish, tinged with a i 



grey violet. 



Australasia. 



