INDEX. 



Page. 



Gyrophora„ 313,314 



angulata 318 



arctiea 318 



diabolica 319 



erosa 320 



esculenta 313 



flocculosa 316 



glabra 3H 



grisea 317 



hirsuta grisea 317 



hyperborca 3I9 ! 320 



muhlenbergii 31 1 



pliaea 320 



polymorphs reticulata 316 



polyphylla 315 



pol yrhiza 319 



proboscidea 314 



reticulata 316 



rugifera 316 



vellea 314, 317 



Gyrophoraceae 813, 314 



Hapaloslphon brebi sonii 332, 335 



HelianthUB grosseserratus 366 



laevigatas 374 



reindutus 374 



Hiemcium 351 



Hydrocotyle 325 



Hyoseris amplexicaulis 356 



atiffustifolia 365 



biflura 36(3 



caroliniana 354 



major 355 



montana 356 



prcnantfioides 356 



rautosissima 354 



virginica 352,354 



Hypericum sp 334 



Ilex cassine 334 



glabra 332 



opaca 331 



Illinois, floral conditions 360 



Krfgia 352, 353, 364 



section Cymbia 354 



amplexicaulis 356 



caroliniana 354 



dandelion 355 



dichotoma 354 > 355 



inlegrifotia 35G 



leptophylla 354, 355 



montana 356 



occidentalis 354 



pctiolavis 354 l 355 



tcnella 354 



virginica 354 



dichotoma 354 



Laciniaria 362 



ecartom type 363 



Laetuea scariola 360 



Lake Ellis, algal flora 332,339 



physical data 324 



trees 331 



zones of vegetation 325 



Leucothoe racemosa 334 



Lichen dcustus 316 



crosus 320 



tlocculosus 31 9 



Page. 



Lichen glabcr 314 



griscus 317 



polyphyUus 315 



polyrkiza 319 



vcllcus 314,317 



Limodorum tuberosum 332 



Liquidambar styraciflua 331, 332, 334, 339 



Little Lake, physical features and vegeta- 

 tion 335 



Long Lake, physical features and vegeta- 

 tion 335 



Luthcra 355 



virginica 35(, 



Lycopodium adpressum 332 



alopecuroides 332 



Lycopus communis 372 



Lyngbiasp 332,335 



Mackenzie, collections at White Sulphur 



Springs 359 



Magnolia vlrginiana 332, 334 



Manihot carthaginensis 375 



chlorosticta 375 



Merismopedla glauoa 332 



Mesosphaerum insulare 375 



lanillorum 375 



Millboro, Vi rginia, collecting ground 360 



Monarda mollis 366 



Morella ccrifera 334 



Myriophy Hum 325, 329, 339 



North Carolina plants collected by W. H. 



Brown, list 340 



Nymphaea advena 325, 328, 333, 334, 339 



Nyssa billora . 334 



Oedogonium 331,336 



BP 332,335 



Oenothera argillicola 360,370 



biennis 3gg, 367 



canovirens 365, 3G6 



parviflora 866, 367 



Onagra strigosa 366 



Panicum hemitomon .... 325, 328, 330, 331, 333, 339 



Persea pubescens 332, 334 



Philotria 333 



canadensis 33c, 3;$ 



canadensis, greenhouse experiments .. 336 



minor 325, 326, 328, 339 



Phragmitctum of Magnin 325, 333 



Phytoplankton, conclusions respecting.. 338,340 



Pieris nitida 334 



Pinus serotina 331, 332, 339 



I 'ocosin 323 



Polypodium polypodioides 334 



Pontederia cordata 328 



Prairie region, passing of native flora 361 



Quercus nigra 334 



Rhexia mariana 332 



Romney shale, flora 36O 



Sacciolepis striata 326, 331, 334, 339 



Scenedesmus caudatus 335 



Scorzonera lanata 353 



Serinia 352 



Shale barrens in Virginia 359 



characteristic plants 360 



Silphium laciniatum 363 



reniforme 374 



terebinthinaceum 363, 374 



