434 ARRANGEMENT OP THE GENERA 



mens hypogynous, generally three ; anthers erect, basifixed. Ovary 

 one-celled, often surrounded by bristles ; style single, generally three- 

 parted, sometimes two-parted. Fruit a hard achenium or nucule. 



CYPERKX. 6. Scirpus, 58, 65. 



1. Cyperus, 59, 65. 7. Eriophorum, 59, 68. 



2. Schoenus, 58, 64. CARICEJE. 



SciRpEi. 8. Cares, 343, 349. 



3. Cladium, 49, 57. ELYNE*. 



4. Rhynchospora, 58, 65. 9. Elyna, 343, 347. 



5. Eleocharis, 59, 68. 



Order XCVI. GRAMINA. 



Flowers perfect, sometimes monoecious or dioecious, each with two 

 bracteas or glumes (chaff-scales), rarely one or none, and two inner 

 bracteas or paleae (husks), rarely one. Stamens hypogynous, from one 

 to six, generally three. Ovary one-celled ; styles generally two. Fruit 

 a caryopsis. 



PANICS*. 16. Avena, 60, 90. 



1. Digitaria, 59, 75. 17. Holcus, 59, 78. 



PHALARIDKJE. 18. Triodia, 60, 83. 



2. Phalaris, 59, 70. 19. Lagurus, 59, 89. 



3. Anthoxanthum, 49, 58. FESTUCE.Z. 



4. Hierochloe, 60, 80. 20. Melica, 57, 79. 



PHLES. 21. Poa, 60, 82. 



5. Phleum, 59, 70. 22. Glyceria, 60, 81. 



6. Alopecurus, 59, 71. 23. Briza, 60, 84. 



7. Knappia, 59, 72. 24. Dactylis, 60, 84. 



AGROSTIDE*. 25. Cynosurus, 60, 85. 



8. Polypogon, 59, 73. 26. Festuca, 60, 86. 



9. Milium, 59, 73. 27. Bromus, 60, 88. 



10. Agrostis, 59, 73. HORDED. 



ARUNDINE*. 28. Triticum, 60, 93. 



11. Arundo, 60, 77. 29. Lolium, 60, 91. 



CHLORIDE*. 30. Elymus, 61, 92. 



12. Cynodon, 59, 74. 31. Hordeum, 61, 93. 



13. Spartina, 59, 85. ROTTBOLLIE^E. 



SESLERIE*. 32. Rottbollia, 60, 92. 



14. Sesleria, 60, 80. 33. Nardus, 59, 69. 



AVENE*. 



15. Aira, 59, 76. 



