( 33 ) 



7. lonchites, Tackerra. Conu. river, <fcc. 



8. pulcher, Tuckerm. S. Pond, Belchertown. 



9. amplifolius, Tackerm. 



10. gramineus, L. 



11. lucens, L. Leverett Pond. 



12. praelongus, AYulf. 



13. perfoliatus, L. 



14. compressus, L. 



15. obtusifolius, Mert. & Koch. Ford's Pond, Granby. 



16. paucinorus, Pursb. 



17. pusillus, L., v. vulgaris, Fr., & v. 



18. pectinatus, L. Conn, river. 



19. Robbinsii, Oakes. 



Order 87. ALISMACE-ffi. 



1. SCHEUCHZERIA, L. 

 palustris, L. Belchertown Ponds. 



2. ALISMA, L. 



Plantago, L., var. Americanum, Gray. 



3. SAGITTARIA, L. 



1. variabilis, En gel in. 



2. heterophylla, Pursh. 



3. graminea, Michx. 



Order 88. HYDROCHARIDACEiE. 

 1. ANACHARIS, Kich. 

 Canadensis, Planch. 



2. VALLISNERIA, Mich, 

 spiralis, L. 



Order 89. ORCHID AC E-ffi. 



1. ORCHIS, L. 



spectabilis, L. 



2. HABENARIA, Willd., R. Br. 



1. tridentata, Hook. 



2. virescens, Spreug. 



3. viridis, var. bracteata, Reichenb. 



4. hyperborea, R. Br. 



5. dilatata, Gray. 



6. Hookeri, Torr. 



7. orbiculata, Torr. 



8. ciliaris, R. Br. East Amherst, C. H. Hitchcock. Easthampton, 



Clark. 



9. blephariglottis, Hook. 



5 



