Lake Maxinkuckee, Physical and Biological Surrey 505 



Swamp Sumac, 354. 



Thistle, 447. 



White Oak, 287. 



Willow, 278. 

 Sweet Balsam, 437. 



Fern, 275. 



Flag, 25G. 



Gum, 325. 



Potato, 347. 



Scabious, 435. 



Scented Grape, 363. 



White Violet, 369. 

 Sweet-cicely, Hairy, 377. 



Smoother, 378. 



Wooly, 377. 

 Sweet-clover, Yellow, 340. 



White, 339. 

 Sweet-scented White Water Lily, 305. 

 Sweetbrier, 333. 

 Swimmers, Black, 30. 

 Sycamore, 327. 

 sylvatica, Nyssa, 383. 

 Sympetrum corruptum, 15. 



rubicundulum, 26. 



vicinum, 15. 

 Symphynota compressa, 44. 



costata, 44. 

 Syndesmon thalictroides, 311. 

 Synedra longissima, 164. 



obtusa, 164. 



radians, 164. 

 Syntherisma filiforme, 224. 



sanguinale, 224. 

 syphilitica, Lobelia, 423. 

 syriaca, Asclepias, 39, 394. 



tabulatum, Peridinium, 97. 

 Taenidia integerrima, 379. 

 Tajo, Yerba de, 438. 

 Tall Anemone, 310. 



Bellflower, 422. 



Blackberry, 332. 



Blue Lettuce, 425. 



Cone-flower, 438. 



Cotton-grass, 244. 



Dock, 292. 



Eaton's-grass, 236. 



Grama-grass, 233. 



Hairy Ground-cherry, 407. 



Hedge Mustard, 319. 



Iron-weed, 427. 



Tall Marsh-grass, 233. 



Milkweed, 394. 



Rattlesnake-root, 426. 



Smooth Panicum, 226. 



Sunflower, 139. 



Thistle, 447. 



Tickseed, 440. 



Tickseed-sunflower, 112. 



White Aster, 436. 



Wild Nettle, 290. 



Wormwood, 445. 

 Tamarack, 208. 

 Tanaceum vulgare, 445. 

 Tansy, 445. 

 Tanypus monilis, 30. 

 Tanytarsus dives, 36. 

 Tape-grass Family, 221. 

 Tape-grass, 171, 222. 

 Tapeworms, 100. 

 tappaniana, Gastrocopta, 75. 

 tardus, Ancylus, 73. 

 taraxacum, Leontodon, 424. 

 tartarica, Cornus, 382. 



Morus alba, 289. 

 Tea, New Jersey, 362. 

 Tear-thumb, Arrow-leaved, 295. 



Halberd-leaved, 296. 

 tenue, Polygonum, 293. 

 tenuifolia, Euthamia, 432. 

 tenuis, Juncus, 261. 



Oscillatoria, 143. 



Sphferium, 73. 



Tolypothrix, 148. 

 tenuissima, Nitella, 160, 183. 



Ulothrix, 156. 

 tenuissimum, Pisidium, 74. 

 terebinthinaceum, Silphium, 437. 

 Ternate Grape-fern, 197. 

 Terre Haute, 63, 83. 

 terrestris, Lysimachia, 388. 

 tessellata, Pyrgus, 39. 

 Tetraedron minimum, 150. 

 Tetragoneuria cynosura, 21. 20. 

 tetrapedia, Crucigenia, 150. 

 Tetraspora lubrica, 149. 

 Teucrium canadense, 402, 104. 

 thalictroides, Caulophyllum, 31 1. 



Syndesmon, 311. 

 Thalictrum, dasycarpum, 313. 



dioicum, 313. 



polygamum, 313, "l l. 



