100 PLANTS OF RHODE ISLAND. 
LOMENTARIA, (Gaill) Thuret. 
1. uncinata, Menegh., v. filiformis. Prof. Harvey. 
Chylocladia, Bailey and Harv. Alg. Rhod. No. 52. 
2. rosea, (Harv.) Thuret. 
Chylocladia rosea, Harv. Alg. Rhod. No. 53. 
CHAMPTA, (Ag.) Harv. 
1. parvula, (Ag.) Harv. Newport, &c. No. 39. 
2. salicornioidea, Ag. Watch Hill, Prof. Eaton. 
HYPNEA, Lamx. 
musciformis, Lamx. Narragansett Bay, &c. 
POLYIDHES, Ag. 
rotundus, Grev. Newport, Prof. J. W. Bailey. 
GRINNELLIA, Harv. 
Americana, Harv. Providence, &c. No. 42. 
DELESSERIA, Lamx. 
sinuosa, Lamx. Newport, Prof. Eaton. 
GRACILARIA, Grev. 
multipartita, J. Ag. Providence, Prof. Harvey. 
G. multipartita, var. angustissima, Harv. Alg. Rhod. No. 438. 
CHONDRIOPSIS, J. Ag. 
1. dasyphylla, Ag. 
Chondria dasyphylla, Ag. Alg. Rhod. No. 25. 
2. tenuissima, Ag., var. Baileyana. Narragansett Pier, &c. 
Chondria Baileyana, Mont. Alg. Rhod. No. 26. 
RHODOMELA, J. Ag. 
subfusca, Ag., var. gracilior, J. Ag. Providence. 
R. subfusca, Ag. Alg. Rhod. No. 27. 
POLYSIPHONIA, Grev. 
1. subtilissima, Mont. Providence, Olney. No. 28. 
2. Olneyi, Harv. Providence. No. 29. 
3. Harveyi, Bailey. Providence, Dr. Farlow. No. 30. 
4. elongata, Grev. Napatree, Prof. Eaton. 
5. fibrillosa, Grev. Newport, Prof. Harvey. No, 31. 
6. violacea, Grev. Point Judith, Dr. Farlow. No. 32. 
7. vVariegata, Ag. Narragansett Bay, &c. 
8. parasitica, Grev. Providence, Prof. Harvey. No. 33. 
9. atrorubens, Grey. Little Compton, Dr. Durkee. No. 34. 
10. nigrescens, Grev. In all waters. No. 35. 
var. fucoides, Ag. Newport. 
P. nigrescens, var. disticha, Harv. Alg. Rhod. No. 36. 
