THE SEA-WEED FAMILY. 531 



Batrachospermum vagum. 

 Draparnaldia ylomerata. 



E. B. XXV. 1740 (as Conferva mutabilis). 



plumosa. 



E. B. XXX. 2087 (as Conferva lubrica). 



tenuis. 



ChcBtophora endiviafolia. 



E. B. xiv. 967 (as Ulva incrassata). 



tuberculosa. 



E. B. xxxiv. 2306 (as Rivularia tuberculosa). 



elegans. 



Zygnema nitidum. 



E. B. xxii. 1656 (in part, as Conferva spiralis). 



— ^ quininum. 



commune. 



Tyndaridea stagnalis. 



Mougeotia genuflexa. Everywhere in ditches, forming vast yellowish- 

 green masses. 



E. B. xxvii. 1914 (as Conferva genuflexa). 

 Staurocarpiis gracilis. 

 Vesiculifera aqualis. 



Rothii. 



Bidbochcete setigera. 



Cladopiliora glomerata. Attached to stones and piles in streams, and 

 often extending to two feet long. 



E. B. xxxi. 2192 (as Conferva glomerata). 



Coleochfste scutata. 



Jjynghya muralis. On the ground and on walls, forming a green 

 stratum of indefinite extent, very conspicuous after a shower of 



rain. 



E. B. xxi. 1554 (as Conferva muralis). 



• floccosa. 



Tolypothrix distorta. 



E. B. XXXV. 2577 (as Conferva distorta). 



Oscillatoria tenuis. 



turfosa. 



nigra. 



Microcoleus repens. 



E. B. xxviii. 1995 (as Conferva vaginata). 



Fdndaria viridis. 



36 a 



