188 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



(8) Plants of cool, moist woods: Thelypteris Phegopferis, Lycopo- 

 divm Ivcichtlvm, Taxvs canadensis, Cinna latifolia, Carex leptonervia, 

 C. novac-angliae, C. rosea, var. radiata, Clintonia horeaUs, Streptopus 

 rosens, Trillium vndvlatiim, Fagvs grandifolia, Ribes lacvstre, R. pros- 

 trahivi, Rvbvs canadensis, Oxalis Acetosella, Acer pennsylvanicum, A. 

 spicatvm, Circaea alpina, Cornvs canadensis, Sambucvs racemosus, 

 Viburnvm alnifolivm, Aster acnminatvs. 



(9) Plants of wooded swamps: Thelypteris cristata, Osmunda cinna- 

 momea, 0. regalis, var. spectahilis, Carex intnmescens, var. Fernaldii, 

 C. tenella, Syviplocarpvs foetidvs, Habenaria psycodes, Benzoin aestivale, 

 Mitella 7mda, Ribes hirtellnm, R. triste, var. albinervium, Rubvs hispidus, 

 R. pvbescens, Rhvs Vernix, Ilex verticillata, var. ienuiJoUa, Nemo- 

 panthvs mvcronata, Rhamnvs alnifolia, Viola incogjiita, var. Forbesii, 

 Lysimachia thyrsiflora, Lycopus vnifiorvs, Vihurnuvi cassinoides, V. 

 Opulns, var. americannm, Aster punicens, Bidens connata, Cirsium 

 muticum, Senecio aureus. 



(10) Plants of bogs: Carex canescens, var. subloliacca, C. diandra and 

 var. raviosa, C. limosa, C. paiipercula, C. rostrata and var. utriculaia, 

 Eriophorum tenellum, Rhyncospora alba, Scirpus hudsonianus, Smila- 

 cina trifoliata, Pogonia ophioglossoidcs, Liparis Loeselii, Sarracenia 

 purpurea, Drosera rotundifolia, PotentiUa palustris, Epilobium molle, 

 Andromeda glaucophylla, Chamaedaphne calyculata, Ledum groen- 

 landicum, Vaccinium corymbosum, V. v^acrocarpon, V. Oxycoccus, 

 Mcnyanthes trifoliata, Galium labradoricum, Lonicera caerulea, var. 

 vilhsa. 



(11) Plants of rocky summits : Woodsia ilvensis, Agropyron caninum, 

 Deschampsia fiexuosa, Carex umbellata, Aquilegia canadensis, Corydalis 

 sempervirens, PotentiUa tridentata, Pyrus melanocarpa, Rhus copallina, 

 Rhus toxicodendrum, Psedera quinquefolia, var. hirsuta, Aralia hispida, 

 Gaylvssacia baccata, Vaccinium pennsylvanicum. 



(12) Plants of dry open sand or gravel: Juniperu^ communis, var. 

 depressa, J. virginiana, Andropogon scoparius, var. frequens, Eragrostis 

 pectinacea, Panicum lineariifolium, Carex cephalophora, C. festucacea, 

 var. brevior, C. triceps, var. hirsuta, Cyperus filiculmis, var. macilentus, 

 Spiranthes gracilis, Quercus ilicifolia, PotentiUa pumila, Rubus villosus, 

 Lespedeza hirta, Polygala verticillata, var. ambigtia, Hypericum gentian- 

 oides, Helianthemum Bicknellii {H. ma jus Man. ed. 7), H. canadense, 

 Lechea intermedia, Trichostema dichotomuvi, Aster ericoides, Gnapha- 

 lium polycephalum, Krigia virginica. 



