OF CUJMBEUl.A.XD CO. PA. 61 



Ostrija virginica., Willd. Woods on slate lands, near water. Common. 

 Oxycoccus macrocarpus^ Pursh. Cranberry. Abundant in Black 



Swamp, South mountain. 

 Pinus canadensis, IMx. Hemlock. High slaty banks of creek.s, and hol- 

 lows of South mountain. 

 " strohus, L. White pine. Katlier rare except in mountains. 

 " innps, Ait. leather common. Slate Hills. 

 " rigida, Marsh. 

 Platanus occidentalism L. Button wood. Rich soil near water. Com. 

 Populus iremuloides^ Mx. Aspen. Abundant near Spring Forge. Rare 

 in the woods. 

 " tremula, L. P. grandidenta, l^Mx.) Darl. Rare. 

 Prinos verticiUatus, L. Swamps and damp thickets. Common. 

 Primus americana, Marsh. Wild plum. Wet meadows. Common, 

 Pyrus arbutifolia, L. South mountain, and along Yellow Breeches, 

 var. 1. mclanocarpa. 

 var. 2. erythrocarpa. 

 " coronaria, L. Crab apple. Abundant in South mountain, rare in 

 the valley. 

 Quercus paJuslris, Mx. Pin oak. Common in bottom land. 

 " coccinea, Wang. Scailet oak. Common. 

 " rubra., L. Red oak. Abundant along bank of creek, 

 " tinctoria, Bart. Black oak. Abundant in woods. 

 " stellata, Willd. Q. oblusiloha, (Mx.) Darl. Post oak. But four 



specimens found. 

 " ilicifoUa, Willd. Q. banisteri, (Mx.) Darl. Bear oak. Sterile hills 



of South mountain. Abundant. 

 " alha, L. While oak. Very abundant. 



" macrocarpa, Mx. Mossycup oak. Common along Conedoguinet. 

 " olivae formis, Mx, .'' Overcup oak. A few trees along Conedog. 

 " montana, Willd. Chestnut oak. Abundant in mountains and on 



stony ridges. 

 " bicolor, Willd. Not common. Wet bottom. 

 " prinus, L. Rare in bottom lands. 



" castanea, Muhl. Yellow oak. Rare on high rocky banks alg. crk. 

 " prinoides, Willd. C. chincapin, (Mx.) Darl. Chincapin oak. Ster- 

 ile hills of South mountain. Abundant. 

 Rhododendron viscosum, Torr. White azalea. Spring Forge Sw^ps. Rare. 

 " nudifloru7)im Torr. Shaded banks of rivulets. Common. 

 '^ nilidum^ Torr. Abundant in wet grounds of South mountain. > 

 Rhus aromatica^ Ait. Common. 



