470 Lake Maxinkuckee, Physical and Biological Survey 



Dropseed, Wood, 230. 



Woodland, 230. 

 Dropseed-grass, 230. 

 Droseraceae, 321. 

 Drosera intermedia, 322. 



rotundifolia, 321. 

 Dryopteris cristata, 201. 



hexagonoptera, 202. 



noveboracensis, 201. 



spinulosa, 202. 



thelypteris, 201. 

 dubia, Heteranthera, 261. 



Ilysanthes, 410. 

 Duckweed Family, 256. 

 Duckweed, Greater, 166, 256. 



Ivy-leaved, 170, 257. 



Lesser, 167, 258. 



Minute, 167, 258. 

 dulcamara, Solanum, 408. 

 Dulichium, 248. 



arundinaceum, 248. 

 duplex, Pediastrum, 151. 

 dura, Rivularia, 143. 

 Dutchman's Breeches, 317. 



Pipe, 356. 

 Dwarf Black Sumac, 353. 



Cassandra, 386. 



Dandelion, Carolina, 423. 



Ginseng, 377. 



Gray Willow, 281. 



Red Raspberry, 332. 



St. John's-wort, 367. 

 Dyer's Weed, 431. 

 Dytiscus hybridus, 33, 34. 



Eagle Fern, 203. 



Eagle Lake, 56, 115, 141, 207, 233, 



241, 258, 310, 330, 414. 

 Early Blue Violet, 368. 



Golden-rod, 431. 



Meadow-parsnip, 379. 



Meadow-rue, 313. 



Violet, 368. 



Eaton's Grass, Tall, 236. 

 Echinacea purpurea, 439. 

 Echinochloa crus-galli, 224. 



walteri, 225. 

 echinula, Rivularia, 142. 

 edax, Cyclops, 77. 

 edentulus, Strophitus, 60. 

 Edible Valerian, 421. 



edulis, Valeriana, 421. 

 Eel Cat, 80. 

 Eel-grass, 171, 222. 



Pondweed, 169, 215. 

 effusus, Juncus, 261. 

 ehrenbergianum, Dictosphserium, 150. 

 ehrenbergii, Pediastrum, 151. 

 Elater, 34. 



elatior, Ambrosia, 426. 

 Elder, American, 420. 



Box, 360. 



Electric-light Bug, 30. 

 Eleocharis acicularis, 242. 



interstincta, 188, 241. 



mutata, 188, 241. 



palustris, 189, 242. 



palustris glaucescens, 189. 



obtusa, 242. 



olivacea, 242. 

 Eleusine indica, 233. 

 elevata, Polygyra, 74. 

 elisa, Celithemis, 14. 

 elliptica, Cymatopleura, 162. 



Pyrola, 384. 

 Elm Family, 288. 

 Elm, American, 288. 



Red, 288. 



Slippery, 288. 



White, 288. 



Elm-leaved Golden-rod, 430. 

 Emesa longipes, 30. 

 Enallagma calverti, 24. 



carunculatum, 22. 



divagans, 23. 



exsulans, 23. 



geminatum, 26. 



hageni, 22. 



pollutum, 26. 



signatum, 23. 



Enchanter's Nightshade, 374. 

 Enchenopa binotata, 31. 

 English Lake, Ind., 42. 



Plantain, 417. 



Sparrow, 317. 

 Entire-leaved False Foxglove, 412. 



Rosin-wood, 437. 

 Epargyreus tityrus, 39. 

 Ephemerida, Order, 8. 

 Ephithemia argus, 163. 



gibba, 163. 



zebra, 163. 



