Harshberger : Plant formations of Nockamixon Rocks 659 



Arisaema triphyllunt^ 



a 



Dr 



Medcola virginia)ia^ 



Erythroninm mnericamtm^ 

 Oakesia sessilifolia, 

 Uvularia perfoliate, 

 Allium tricoccutn^ 

 Liparis liliifolia (rare), 

 Orchis spectabilis, 

 Habenaria lacera, 

 Cypripedium piibescens, 

 Aristolochia Serpentaria, 

 Claytonia virginica^ 

 Anemone nemorosa, 

 Hepatic a triloba, 

 Anemonella thalictroides^ 

 Hydrastis canadensis (nov 



tinct), 



CatilophylL 



peltat 



Dice7iti 



(1 



years ago), 

 Corydalis glanca^ 

 ** aurea, 



Dent aria laciniati 



canadensis (present 



i( 



diph} 



Arabis laevigata, 

 *' perfoliata {A, ^ 

 canadensis, 

 Gillenia trifoUata, 

 Vicia aniericana^ 

 Amphicarpa monoica, 

 Epilobiiifn coloratum, 

 Circaea lutetiana, 

 Sanictda marilandica, 

 Tliaspium barbinode, 

 Pyrola rotund if olia, 

 Monotropa uni flora, 

 Gentiana qidnquefolia 



Obolaria virginica, 

 Asclepias tnberosa, 



u 



i< 



p 



phytolaccoides^ 



Polemonium coernlenm (7^. V^an 



Brnntiae), 



Mc) 



# 



oides), 



palustris {J\I. scarp 

 us nepetoides, 



'Tencrittm canadeiise, 



a 



pilo. 



■ifl. 



Pentstemon laevigatus var. digi- 

 talis, 

 Pedicularis cafiadensis 

 Epiphegus virginiana 

 Veronica virginica^ 

 " scntellata^ 



officinalis, ' 



serpyllifolia^ 



peregrina^ 

 Triostenm perfoliatum^ 

 Mitchella repens, 

 Galium circaezans^ 

 Campanula americana, 



Lobelia spicata^ 



it 



it 



<t 



(t 



inflata. 



Aster oblongif alius, 

 ' * Novae- A ngliae, 

 ' ' laevis^ 



it 



vimineus, 



(( 



Erigeran bellidif alius (E. pulchel- 



lus\ 

 philadelphicus, 



Eupatarium purpureum^ 

 Helianthus decapetalus, 

 Solidago speciosa. 



it 



nemoralis. 



Ravine vegetation 



The trees and shrubs which extend into the ravines are essen- 

 tially broad-leaved species which form a constituent part o^ the 



