48 PLANTS OF RHODE ISLAND. 



2. subterminalis, Ton-. 



3. pungens, Vahl. 



4. Olneyi, Gray. Providence. 



5. Torreyi, Olney. 



6. validus, Valil. 



7. debilis, Pursh. 



8. Smithii, Gray. S. Kingstown, Congdon. 



9. maritimus, L. 



var. macrostachys. 



10. fluviatilis, Gray. 



11. sylvaticus, L. 



12. atrovirens, Muhl. 



13. polypliyllus, Vahl. 



14. Eriophorum, Michx. 



ERIOPHORUM, L. CottonGkass. 



1. Virginicum, L. 



2. polystachyon, L. 



3. gracile, Koch. 



PIMBRISTYLIS, Vahl. 



1. autumnalis, R. & s. 



2. capillaris, Gray. 



RHYNCHOSPORA, Vahl. Beak-Rush. 



1. scirpoides, Gray. 



2. fusca, R. & S. 



3. alba, Vahl. 



4. glomerata, Vahl. 



5. macrostachya, Torr. 



CLADIUM, P. Browne. Twia-RusH. 

 mariscoides, Torr. 



SCLERIA, L. Nut-Rush. 



1. triglomerata, Michx. Warwick, Congdon. 



2. reticularis, Michx. 



3. laxa, Torr. 



CAREX, L. Sedge. 



1. polytrichoides, Muhl. 



2. bromoides, Schk. 



3. siccata, Dew. 



4. teretiuscula. Good. 



5. vulpinoidea, Michx. 



6. stipata, Muhl. 



7. muricata, L. Stone Bridge, Congdon. 



8. sparganiodes, Muhl. 



