( 40 ) 



71. folliculata, L. 



72. squarrosa, L. Hadle}^, Hitchcock. 



73. retrorsa, Schwein. Plainfield, Hitchcock. 



74. utriculata, Boott. 



75. Monile, Tuckerm. 



76. Tuckermani, Boott. 



77. longirostris, Torr. 



Order 100. GRAMINEiE. Grasses. 



1. LEERSIA, Soland. 



1. Virginica, "Willd. 



2. oryzoides, Swartz. 



2. ZIZANIA, Gronov. 

 aquatica, L. Wild Rice. Northampton. 



3. ALOPECTJRTJS, L. Fox-tail Grass. 



1. pratensis, L. 



2. geniculatus, L. 



3. aristulatus, Michx. Amherst, &c, Tuckerman. 



4. PHLETJM, L. Cat's-tail Grass. 

 pratense, L. Herd's Grass. 



5. VI LF A, Adans., Beauv. 

 vaginaeflora, Torr. 



6. SPOROBOLUS, R. Br. 

 serotinus, Gray. 



7. AGROSTIS, L. Bent-grass. 



1. perennans, Tuckerm. 



2. scabra, Willd. 



3. vulgaris, With. Bed-top. 



4. alba, L. White-top. 



8. CINNA, L. 

 arundinacea, L. 



9. MUHLENBERGIA, Schreb. 



1. sobolifera, Trin. 



2. glomerata, Trin. 



3. Mexicana, Trin. 



4. sylvatica, Torr. & Gr. 



5. Willdenovii, Trin. 



6. diffusa, Schreb. Amherst, Jesup. 



7. capillaris, Kunth. Hair-Grass. Sugar-Loaf, &c, Cooley. 



10. BRACHYELYTRUM, Beauv. 

 aristatum, Beauv. 



