656 



Index 



Quercus — continued. 



rulira, 136, 137, 153. 207. 344, 577, 579- 



stellata, 207. 



texana, 207. 



tinctoria, 207. 



velutina. T2i, 122, 126, 130, 135. 137, 



153, 207, 283, 297, 300. 301. 303. 304. 



305. 308, 310, 3TI, 312, 313, 315, 316, 



317. 334. 339. 341, 342, 343, 347, 350, 



358. 

 Quillback, 526. 



R 



Radicula. 5S8. 



aquatica, 577, 587, 601. 



paluslris, 272, 360, 601. 

 hispida, 601. 

 Ragweed, 367, 368. 

 Ragwort, 308. 

 Ranatra fusca, 536. 

 Ranunculacere, 155. 359, 601. 

 Ranunculus, 588. 



abortivus, 130, 155. 



aquatilis capillaceus, 321. ^22, 359. 



delphinifolius, 321, 323, 324, 359, 577, 

 587, 601. 



pennsylvanicus, Ti^;^. 359, 601. 



scleratus, 275. 359, 601. 

 Raspberry, Black, 360. 

 Rattlesnake-master, 363. 

 Rattlesnake-root, ^6S. 



White, 368. 

 Red-horse. 525, 537, 543. 



Common, 526. 



Short-headed, 528, 529. 

 Redbud. 180, 189, 205, 200. 

 Redfieldia, 91. 



flexuosa, 85. 

 Redroot, ,362 

 Redtop, 355. 

 Reed. 355. 



Rhamnacc.T, 161, 362, 603. 

 Rhamnus alnifolia, 341, 262. 



caroliniana, 210. 



frangula, 603. 

 Rhexia virginica, 113, 114, T15, 131, 162. 

 Rhinichthys atronasus, 523. 

 Rhodites, 459. 

 Rhus, 99. 



canadensis illinoensis, 53, 60, 61, 65, 

 71, 72, 96, 97, 103, 119, 121, 125, 127, 

 136, 141-142, 145, 160, 266. 



copallina, 209. 



slal^ra, 125, 127, 138, 160. 



hirta, 209, 339. 



Rhus — continued. 



toxicodendron, 128, 132. 134, 136, 138, 

 142, 143. 160, 288, 303. 313, 317, 

 341. 362. 

 radicans, 343, ^62. 



typhina, 209. 339 (see Errata), 362. 



venenata, 209. 



vernix, 209 

 Ribes floridum, 602. 



gracile, 76, 128, 136, 138, 143, 157. 



nigrum, 602. 



sp., 341. 

 Riccia, 322. 



fluitans, 327, 353. 



natans. 583. 

 Ro1)in, 286, 375, 385. 



Robinia pseudo-acacia, 77, 107, 158, 209. 

 Roccus chrysops, 538. 

 Rosa blanda, 314, 360, 602. 



Carolina, 341, 360. 



humilis, 125, 127, 135, 157, 305, 311, 

 313. 317, 343. 360. 



sp., 108. 

 Rosaccre. 157. 360, 602. 

 Rose, Smooth Wild, 360. 



Swamp Wild, 360. 

 Rosinweed, 367. 



Prairie, 367. 

 Rotifer actinurus. 502, 513. 

 Rotifera, 502, 513. 

 Ru1)iacea?. 167, 366, 607. 

 Rulius idreus aculeatissimus, 134, 138, 157. 



occidentalis, 128, 134, 138, 157, 311, 



341. 360. 

 sp., 157. 



Rudbeckia hirta, 75, 124, 126, 138, 169, 

 .302. 303, 305, 313, 317, 333, 335, 337, 



342, 367. 579. 609. 

 laciniata, 609. 

 sulitomentosa. 315, 367. 



Ruellia ciliosa, 60, 61. 62, 63, T27, 167. 

 Rumex, 588. 



acetosella, 58, 61, 62. 63, 77, 82, 127, 

 i4r, 154, 305. 31 T. 358. 



altissimus, 128, 153, 599. 



britannica, 328, 358, 599. 



crispus, 305. 333, 33S, 358. 599. 



sp., i=:-X. 



verticillatus. T37. 577. ^7^. 587, 599. 

 Rush. 356. 



Reak. 356. 



Bog, 387. 



Nut, 356. 



Scouring, 353. 



Spike, 35.5- 



Twig. 356. 



Wood, 357. 



