LIST OF ILLUSTRATIONS xxiii 



PAGE 



FIG. 358. Andropogon furcatus . . 245 



FIG. 359. Luxuriant Grasses of Wet Prairie . . . . . 245 



FIG. 360. Smartweed, Polygonum lapathifolium . . . . . 246 



FIG. 361. Chickweed, Stellaria aquatica . . . . . 247 

 FIG. 362. Three Species of Cardamine: C. Douglassii, C, bulbosa, 



C. Pennsylvania 247 



FIG. 363. Mermaid Weed, Proserpinaca palustris . . - . -\f- . 247 



FIG. 364. Skull Cap, Scutellaria galericulata "V-:'- I '-v"'' < Av->. -- r -.. . 247 



FIG. 365. Cardinal Flower, Lobelia cardinalis 248 



FIG. 366. Shooting Star, Dodecatheon meadia . . . ''"v . . 249 



FIG. 367. Wild Hyacinth, Camassia esculenta . . ' .-i- . : . 249 



FIG. 368. Wild Onion, A Ilium cernuum . . . .''>".-. . 250 



FIG. 369. Culver's Root, Veronica virginica . . . .'*.;. 250 



FIG. 370. Golden Old Man, Zizia aurea . . . .-*> '. -.'. 250 



FIG. 371. Brown-eyed Susans, Rudbeckia hirta . . ." . '? . 251 



FIG. 372. Coneflower, Brauneria pur pur ea . . . ... 251 



FIG. 373. Rosinweed, Silphium terebinthinaceum . . . ^ . . 252 



FIG. 374. Dropseed Grass, Sporobolus cryptandrus . . ' . - . 252 

 FIG. 375. Prairie Phlox, Phlox pilosa .-*.' ~i\- , . . .252 



FIG. 376. Rattlesnake Master, Eryngium yuccifolium 'Nv- 1 '*' .. ; . 253 



FIG. 377. Prairie Clover, Petalostemum purpureum . ''v'- : . . 254 



FIG. 378. Lead Plant, Amorpha canescens .:'-'. ,;'.:" . < . 254 



FIG. 379. Chimney of Burrowing Crayfish . v v i > ' . -"i ' 2 54 



FIG. 380. Striped Gopher, Citellus tridecemlineatus . ' ; * . . 255 



FIG. 381. Pocket Gopher, Geomys bursarius . i v - V %-'.'' . 255 



FIG. 382. Pennsylvania Meadow Mouse, Microtus pennsyhanicus . 256 

 I a, The Two-lined Locust, Melanoplus bivittatus; b, Red- 

 legged Locust, M . femur-rubrum; c, The Short-winged 



FIG. 383. 



Grasshopper, Xiphidium brevipenne; d, The Meadow 



256 



Grasshopper, Orchelmium vulgar e; e, The Sprinkled 

 Grasshopper, Chlocaltis conspersa; f. The Green- 

 legged Locust, Melanoplus viridipes 



FIG. 384. Sawflies and Larvae 257 



FIG. 385. The Cutworm and Its Moth, Feltia subgothica . . . 257 

 FIG. 386. The Salt-Marsh Caterpillar, Estigmena acraea . . . 257 

 FIG. 387. The Yellow Bear Caterpillar, and Moth, Diacrisia virginica 257 

 FIG. 388. The Woolly Bear Caterpillar, and Moth, Isia Isabella . 258 



CHAPTER XII 



FIG. 389. Bluff with Xerophytic Vegetation 260 



FIG. 390. The Common Scouring Rush, Equisetum hyemale . .261 



