22 (IKNERAL INTKODUCIMON. 



The more common iindcrshriibs (some of them i^rowin<^ to be 

 small trees) are : ylccr PcunsyhauiciDu, .1. spicatum, Pnuius pH))iila, 

 P. Pcnnsyhauica, P. I'iroiiiiaiia, Spircca salicifolia, S. tomoitosa, 

 Ruhus odoratus, R. trijloi'us, R. sfn'oosus, R. oaidcuhilis, R. vi//os?(s, 

 R. C(ViadcNSi's\ Rosa Carolina. Craticoiis cocciuca, C. lonioilosa, C. 

 cri(s-oalli\ Pynis savibucifolia, Anidancliic)' Cajiadcusis, . I. Canaden- 

 sis botryapiuDi, A. Canadensis oblong if alia, Ribcs lacnshr, R. rub rum, 

 Haniamclis llroinica, Cornns cininala, C slolonifcra, C panic nlala, 



C. altcrnifolia. Loniccra ciliata, Picrvilla trifida, Sanibncns pubcns, 

 S. Canadensis, llbnrnuni Icntago, V. accri folium, V. opulus, V. lan- 

 tanoidcs, dphalanllins occidentalism Gaylussacia resinosa, Jaccinium 

 Pcnnsylvanicum, V. corymbosum, Arctostaphylos 7tva-nrsi, Cassandra 

 calyculata, A7idromcda poll foil a, Kalmia angustifolia, K. glanca, Ala- 

 lia n?tdi/lora, RJiodora Canadensis, Ledum lalifolitcm, Apocynum 

 androscsniifolinm, Ilex Icnngala, Corylus rostrata, Carpinus Ameri- 

 cana, Myrica gale, yUnus viridis, A. incana, Salix (several species), 

 and Taxus baccata Canadensis. 



Of the smaller flowering plants the following are among the most 

 noticeable: Clematis Virginiana, Anemone Pennsylvanica, A. nemorosa, 

 Hepatica triloba, Thalictrum dioicum, Ranunculns Jlammula reptans, 

 R. abortivns, R. recurvatus, Caltha palnstris, Coptis trifolia, . Iquihgia 

 Canadensis, Actcea spicata rubra, A. alba, Caulophyllnm tlialictroides, 

 Nynpluea odorata, NupJiar advena, Sarracenia purpurea, Sanguinaria 

 Canadensis, Dicentra cucullaria, D. Canadensis, Dentaria diphylla, 



D. laciniata, Arabis lyrata, Viola rotundifolia, V. blanda, V. Scl- 

 kerki, V. cucullata, V. canina sylvestris, V. rostrata, V. Canadensis, 



V. pubescens, Droscra rotundifolia, D.loJig if olia, Heliantliemum Cana- 

 dense, Hypcricwn pyramidatum, H. ellipticjim, H. perforatum, Blades 



Virginica, Silene iifiata, Arcnaria Gra^nlandica, A. lateriflora, Clay- 



tonia Caroliniana, Geranium Robcrtianum, Impatiens pallida, Oxalis 



acetosella, Ampelopsis quinquefolia, Cclastrus scandcns, Polygala pauci- 



folia, Poterium Canadcnsc, Geum macrophyllum, Waldsteinia fraga- 



rioides, Potentilla Norvegica, P. Canadensis, P. tridcntata, P.palustris, 



