PLANTS OF RHODE ISLAND. 97 
4. confervoides, (Roth.) Le Jolis. Providence, &c. 
Ec. viridis, Harv. Alg. Rhod. No. 23. 
var. Siliculosus, Ryellman. 
Ec. siliculosus, Lyngb. Alg. Rhod. No. 22. 
5. fasciculatus, Harv. Narragansett Bay, Olney. No. 24. 
6. firmus, Ag. Newport, Olney. 
Ec. littoralis, Harv. Alg. Rhod. No. 21. 
SPHACEHLARIA, Lyngb. 
radicans, (Dillw.) Harv. Newport, Dr. Farlow. 
MYRIOTRICHIA, 
claveformis, Harv., var. filiformis. Newport. 
M. filiformis, Griff. Alg. Rhod. No. 20. 
CLADOSTEPHUOUS, Ag. 
verticillaris, Ag. Newport, Olney. No. 19. 
var. Spongiosus. Newport, Matunuck. 
C. spongiosus. Alg. Rhod. No. 18. 
ELACHISTEA, Duby. 
fucicola, Fries. Narragansett Bay. No. 17. 
LHEATHESIA, S. F. Gray. 
difformis, (L.) Aresch. Point Judith, Block Island, Olney. 
No. 16. 
CHORDARIA, Ag. 
flagelliformis, Ag. Narragansett Bay, Olney. No. 14. 
MESOGLOTIA, Ag. 
divaricata, Kutz. Newport, Olney. 
Chordaria divaricata, Ag. Alg. Rhod. No. 15. 
RALFSIA, Berk. 
verrucosa, Aresch. Newport, Dr. Farlow. 
STILOPHORA, Ag. 
rhizoides, Ag. South Rhode Island, Olney. No. 10. 
CHORDA, Stackh. 
filum, L. Narragansett Bay, &c. No. 8. 
LAMINARIA, Lamx. 
1. longicruris, De La Pyl. Watch Hill, Prof. Eaton ; Sachuest, 
Bennett. 
2. saccharina, (L.) Lamx. South Rhode Island. No. 5. 
3. digitata, (Turn.) Lamx. Narragansett, Olney. No. 6. 
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