Index to the Common Names. 



liAMliOO, 23. 



]Jird's-nest moss, 163. 

 ]iog club-moss, 114. 

 Bolander's qiiillwort, 227. 

 liottle-bi'Lish, 49, 5S. 

 IJranched scouring-rush, ;^j, 

 Ijiaun's qLiilhvort, 219. 

 ISuck-grass, 85. 

 IJtick-hoiii, 84. 

 Bunch everL^reen, loi. 



Calamites, 6. 

 Carolina club-moss, 120. 

 Cat's-tail, 49. 

 Colt's-tail, 49. 

 Common club-moss, 81. 

 Common scouring-rush, 19, 

 Coral evergreen, 85. 

 Corn horsetail, 49. 

 Creeping-jenny, 93. 

 Creeping selaginella, 155. 

 Crowfoot, loi. 



Dutch rush, 24. 



Dwarf scouring-rush, 38. 



Eatcin's C|nillwort, 236. 

 Engelmann's quilhvort, 233. 



Eesi'OON ground-pine, 93. 

 Field horsetail, 43. 

 Fir club-moss, 112. 



F'ox-tail, 49, 84. 

 Fox-tail club-mo^s, 116. 

 Frog's fishing-jjoles, 24. 



Good luck, 85, 114. 

 Great scouring-rusli, 26, 

 Great water horsetail, 53. 

 Grey moss, 143. 

 Ground-cedar, 93. 

 Ground-fir, 93. 

 Ground-pine, 84, 88. 

 Gunbright, 23. 



IIiiATir cypress, 95. 

 Hemlock club-moss, no, 

 Ilog-bed, 93. 

 Horse-pipes, 24. 



Interkupti'.d club-moss, 87. 

 Ivory horsetail, 50. 



JoINT-GK ASS, 23, 62. 



Joint-rush, 23, 49. 



Lake quilhvort, 224. 

 Lamb's-tail, 85. 

 Lepidodendron, 6. 

 Liberty, 93. 



MARK's-TAri., 49. 

 Marsh horsetail, 62. 

 Malta-grass, 85. 

 Meadow jjine, 49. 

 Merlin's-grass, 224. 



