Index to Volume II 



abditum, Pisidium, 74. 

 Ablabesmyia monilis, 36. 

 Aboite, Ind., 78. 

 abortivus, Ranunculus, 312. 

 abundans, Scenedesmus, 150. 

 Abutilon abutilon, 365. 

 Acalypha virginica, 351. 

 Aceraceae, 356. 

 Acer negundo, 360. 



rubrum, 359. 



saccharinum, 356. 



saccharum, 360. 

 Acerates floridana, 396. 



viridiflora, 396. 

 acerifolium, Viburnum, 420. 

 acetosella, Rumex, 292. 

 Achillea millefolium, 444. 

 Achorutes nivicola, 7. 

 Achtheres, 79. 

 Achtheres ambloplitis, 79, 80. 



micropteri, 82. 



percarum, 81. 

 acicularis, Eleocharis, 242. 

 Acilius fraternus, 34. 

 Acorus calamus, 256. 

 Acroperus harpae, 107. 

 acrostichoides, Polystichum, 200. 

 Actaea alba, 309. 

 aculeata, Centropyxis, 96. 

 acuminatus, Juncus, 262. 

 acutiloba, Hepatica, 311. 

 acutus, Cambarus blandingi, 84. 

 Adam-and-Eve, 271. 

 Adder's-Tongue Family, 197. 



White, 264. 



Yellow, 264. 



Adiantum pedatum, 203. 

 Admiral, Red, 38. 

 advena, Nymphaea, 178, 304. 

 aeruginosa, Microcystis, 141. 

 Aeschna constricta, 12. 

 Aesculaceae, 361. 

 Aesculus glabra, 361. 

 aestivale, Benzoin, 316. 



aestuarii, Lyngbya, 144. 

 amne, Pisidium, 74. 

 affinis, Strobilops, 75. 

 Agalinis, Small-flowered, 412. 



paupercula, 412. 

 Agastache nepetoides, 402. 

 Aglais antiopa, 38, 39. 

 Agrimonia mollis, 331. 



parviflora, 331. 

 Agrimony, Many-flowered, 331. 



Soft, 331. 



Agropyron biflorum, 238. 

 Agrostemma githago, 300. 

 Agrostis hyemalis, 232. 



perennans, 232. 

 Ague-weed, 391. 

 Ailanthus Family, 350. 

 Ailanthus glandulosa, 350. 

 Aizoaceae, 299. 

 Ajax Swallowtail, 38. 

 Alasmidonta calceolus, 55. 

 alata, Carex, 250. 

 alatum, Lythrum, 371. 

 Alaus oculatus, 34. 

 alba, Actaea, 309. 



Argotis, 232. 



Hicoria, 274. 



Melilotus, 339. 



Morus, 289. 



Populus, 275. 



Quercus, 286. 



Rynchospora, 249. 



Salix, 279. 



Spiraea, 329. 



tartarica, Morus, 289. 



Verbesina, 438. 

 albidum, Erythronium, 264. 

 album, Chenopodium, 297. 



viride, Chenopodium, 297. 

 albursina, Carex, 251. 

 albus, Nabalus, 425. 



Planorbis, 73. 

 alcea, Malva, 365. 

 Alder, Black, 354. 



(455) 



