INTRODICTION. 



adensis, Cephalanthiis occidentalism Cornus Amonum, C. 

 stolonifera, Rosa Carolina, Ilicioid^s fnucronata. Ilex Iccvigata, 

 Aronia nigra, Hypericum Virginiciim, Ranunculus obtusius- 

 culus, Sarracenia purpurea. Cat ex abaci a, C. Sc/izaeinilcii, C. 

 bullata, Dryopteris spinulosa and Woodwardia V^irginica. 



Gle.\\vO()I) Ravink. Our ravines all possess floras of similar 

 character. The shade and moisture make congenial homes for 

 ferns, while a great number of flowering plants are also to be 

 found. Among the plants of Glenwood ravine may be mentioned 

 Viola rotundifolia, Polygonatum bifiorum, Uvularia grandi- 

 fiora, U. sessilifolia, U. perfoliata, AriscEma tripkyllum. Vibur- 

 num alni/olium, Acer spicatum, A. Pennsylvanicutn, Viola 

 blanda and V. pubescens. On the high lands surrounding it may- 

 be found Epiga'a repens, Hypoxis crecta, Kalmia latifolia, Po- 

 gonia verticillata, Cypripedium hirsutinn, C parviflorum. Lu- 

 pinus pere?uiis. Azalea nudijiora^ Liliuni Philadelphicum, Ra- 

 nunculus fas'cicularis, Dasystoma Virgi?iica and Cornus florida. 



TiiK Marshland. This bit of marsh, although not differing 

 much from the surrounding country in external appearance, has 

 a flora decidedly peculiar to it. Among its species occur Comarum 

 pahistre, Nyniphtva microphylla, Aronia nigra. Ilex veriicil- 

 lata, Ilicioides mucronata, Panicularia aquatica, Alopecurus 

 geniculatus, Chanucdap/ine calyculata and Cephalanthus Occi- 

 dent a lis. 



The Ri\ i:r Banks. That part of the river which extends east 

 and west through New York has not only a flora peculiar to it, but 

 one that differs in different parts, though seemingly exposed to 

 to the same natural conditions. Among the species that give 

 character to the banks are Sanguinaria Canadensis, Dentaria 

 diphylla, D. laciniata, Trillium erectum, T. grandiflorum, 

 Erythronium A?nericanum, Mertensia Virginica, Lobelia car- 

 dinalis, Gaura biennis, Impatiens aurea, I. biflora, Apocynum 

 ca?inabinum, Salix 7iigra, Claytojtia Virginica, Ariscr?na Dra- 

 contium, A. triphyllum. Ambrosia trifida, Micrampelis lobata, 

 Sicyos angulatus and Onoclea sensibilis. These are generally 

 distributed throughout the valley, but there are other plants with 

 a more curious distribution. Among these, Ccltis occidentalis, 

 Asclepias tuberosa, Metiispermjim Canadense, Staphylea tri- 

 foliata, Dioscorea villosa, Dianthera Americana and Leptandra 

 Virginica, may be cited. At Barton all these are common, but 



