MICROSCOPICAL OBSERVATIONS. 35 



TABLE D . 



LIST OF ALG.E REFERRED TO IN THE PRECEDING PAGES, WITH LOCALITIES. 



Aporea ambigua, B Occurs everywhere in the lakes and ditches of the Southern States. 



Bangia fuseo-purpurea, Dillw. Tampa, Fa. 



Batrachospermum moniliforme, Roth. Big Hillsborough River, Fa. 



Botrydium argillaceum, Wall. Near Savannah, Ga. 



Bulbochaete setigera, Ag. Common throughout the United States. 



Ceramium clavulatum, Ag. Tampa. 



Chaetophora pisiformis, Ag. Common. 



Coleochajte scutata, Breb. In lakes, &c., from Massachusetts to Florida. Very abundant in a pond on 



Anastasia Island, near St. Augustine. 

 Delesseria hypoglossum. Near Wilmington, N. C., Charleston, S. C., and St. Augustine, Fa. 



" Leprieurii, Mont. An estuary species found first in Cayenne, South America, afterwards in the 



Hudson River, at West Poinfr, N. Y., and on this tour in the Ashley, Savannah, Ogeechee, Alta- 



maha, St. Sebastian, and Hillsborough rivers, usually accompanied by a large species of Bostrichia. 

 Ectocarpus littoralis, L. Common. 

 Gelidium corneum, Huds. St. Augustine. 

 Gracilaria multipartita, Clem. St. Augustine and Tampa. 

 Laurencia dasyphylla, Woodw. St. Augustine. 



Mougeotia genuflexa, Ag. Hopeton, Ga., Warm Springs and St. Augustine, Fa. 

 Oscillatoria terebriformis, Ag. Abounds in the sulphur springs of Florida, and in the streams issuing 



from them. The motion of the filaments is very active. 

 Polysiphonia Olneyi ? Harv. Tampa. 



Porphyra vulgaris, Ag. Charleston, S. C., St. Augustine, Fa. 

 Rhabdonia Baileyi, Harv. Very large specimens are common at St. Augustine. 

 Sargassum vulgare, Ag. Tampa. 

 Spirogyra, (Zygnema, Ag.) quinina, Kg. ) Common everywhere. 



" decimina, Kg. ) 



Spiridia filamentosa, Wulf. 

 Tetraspora lubrica, Ag. Grahamville, S. C. 

 Vaucheria cespitosa, D. C. Common. 



" racemosa. Near Savannah, Ga. 

 Ulva latissima, L. 



