Index 



487 



sagittatum 270 



scandens 270 



viviparum fv 320, 324 



Polypodiuin vulgare 350 



Polystichum acrostichoitlos (Miciiw.) 



Sllir)TT 464 



Braunii (Spenner) I'ee 464 



lonchitis (L.) Rmir...320, 322, 



324, 464 



Polytrichum 91, 347, 3S2, 356 



commune 349 



Populus. .356, 362, 363, 364, 368, 



370, 371, 373, 374, 375, 376, 377 



balsamifera 360, 367, 368 



deltoides 157, 368 



grandidcntata 360, 367, 373 



sargentii 265, 266 



tremuloides. . .37, 38, 112, 188, 



359, 360, 361, 373 



— — trichocarpa Torr. and Gray 



319, 327 



Potamogeton 242, 276, 337, 339, 354 



americanus C. & .S 466 



amphifolius 277 



angustifolius Ber( htoi.d and 



Pres 466 



foliosus 277, 278, 466 



heterophylliis 277, 278 



hybridus Micrix 466 



illinoensis Moronc; 466 



lonchites 277, 280, 283 



natans. ..277, 278, 280, 283, 



286, 338 



-pectinatus 277, 278, 338 



-perfoliatus 337, 338 



pusillus 277 



-richardsonii 277, 278 



zosteraefolius 277, 278, 337 



Potentilla 108 



dissecta Pursh 330 



paradoxa 292 



-uniflora Ledee i2^ 



I'othoideae 146 



( Protozoa) 424 



f'runella vulgaris 292 



f'runus 113, 271 



americana. . .159, 265, 268, 273, 368 



, besseyi 221, 230, 236, 239 



^melanocarpa 265, 268, 269, 273 



-penrfsylvanica 113, 345, 351 



352, 358, 359, 360 



pumila L 112 



-serotina 373 



virginiana. . 157, 345, 351, 352, 



360, 368, 373 



Pseudoplectania Fuckel 68, 70 



melaena (Fr.) Sacc 70 



nigrella (Per.s.) 1-"uckel 70 



I'sc-udotsuga 



I'soralea argopliylla. . .252, 253, 259, 

 262, 299, 



cuspidata 



-digitata 



^esculenta 222, 



lanceolata. . .221, 230, 232, 233, 



236, 239, 244, 245, 246, 249, 

 250, 254, 



tenuiflora. . .252, 253, 259, 262, 



Pteridophyta 



Pteris aquilina 351, 357, 358, 359, 



I'uccinia coronata 



graminis avenac 



graminis hordei 



graminis tritici 386, 



Helianthi Schw 400, 



ruI)igo-vera 



rubigo-vera steal is 



Sorghi 



-Xanthii .Sciiw 398, 



Pulsatilla occidentalis (S. Wats.). 



Freyn 319, 



Piisinlaria catinoidcs l<"iKr 



vesiculosa Imki 



vesiculosa Rrum 



vesiculosa vak. ccrca (SdW.) 



Rehm 



Pyrenophora ipomoea 



Pyrola 320, 



americana 346, 361, 



asarifolia 



elliptica 



secunda L 322, 324, 344, 



186 



300 

 222 

 252 

 252 



300 

 299 

 464 

 361 

 394 

 394 

 395 

 391 

 405 

 380 

 392 

 395 

 405 



322 

 77 

 77 

 78 



78 

 186 



352 

 367 



344 

 346 



.346, 361 







Ouercus 3/0 



coccinea 155, 360, 374 



macrocarpa 155, 157, 264, 



265, 268, 368, 374 



novi-mexicana 45, 46 



platanoides 155 



rubra 368, 374 



R 



Kanales m 



Ranunculus abortivus 367 



Eschscholtzii ijcirLECT 320, 



322, 329 



sceleratus 292 



Ratibida columnaris 299, 300 



Redfieldia 226, 300 



flexuosa. . .230, 239, 244, 245, 



246, 24V 



Rhamnus alnifolia 343, 345 



Rhododendron albiflorum 324 



Rhodura ]75 



