27 



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rather open woods, can be found Cynoglossum Virginicum^ T.., and 

 near by, Asclepias quadrifolia^ Jacq., and Gnaphalium purpurcum^ L. 

 During the past season I found a second locality here for Cheilanthes 

 vestita^ Swartz, but it was not growing in any quantity. Quite a large 

 patch of Arabis laevigata, DC, occurs on the eastern slope of the 

 mountain, a mile north, and, near the summit, Arabis Canadensis^ L. 

 Viola cuctillata, Ait., y2iX,palmata, abounds on the summit and slopes 

 near the gap, and it seems here to almost entirely replace the typical 

 form. The leaves are very deeply parted, often nearly divided, and the 

 whole plant is pubescent. The var cordata is not rare on dry open 

 hillsides, has very short petioles, the leaves generally villous, purplish 

 beneath, and lying flat upon the ground. Viola sagittata^ Ait., is very 

 common but varies greatly according to the soil. The form found in 

 moist meadows has long petioles, arrow shaped or oblong-lanceolate 

 smooth leaves, purplish beneath, and more or less cut-toothed at the 

 base. In dry open woods the leaves are ovate-lanceolate and ab- 

 ruptly decurrent on the short petiole, the whole plant pubescent ; this 

 last form approaching the Viola ovata of Nuttall. 



At the foot of the mountain, near Somerset street, in a small 

 stream, Orontium aquaticum^ L., occurs sparingly. Further down on 

 Stony Brook Echium vidgare, L,, is abundant. Here in June, 1876, 

 I found a Thaspium with purple flowers which in some respects re- 

 sembled Thaspiutn barbinode, Nutt., but Prof. Gray identified it as 

 Thaspium trifoliatum^ var. atropurpureum^ T. & G. 



On the bank of Green Brook, a mile southwest of Plainfield, oc- 

 curs a large staminate tree of Negundo aceroides^ Moench. It is 

 about 30 feet in length and nearly two feet in diameter at the base. 

 Two miles south of Plainfield in a shallow pond in sandy soil grows 

 Utricularia inflata^ Walt., abundantly with Glyceria pallida, Trin., and 

 Froserpinaca palustris, L, During Dec, 1878, in a swamp near New 

 Brooklyn, I found a Lemna growing in abundance which appears 

 to h^ Lemna Valdiviana, Phillipi, and near it can be found Heteranthera 

 reniformis, Ruiz. & Pav. In woods near Park Ave., two miles south 

 of Plainfield, occurs Asarum Canadense, L., and Conopholis Americana, 

 Wallroth, the latter sparingly ; and near by can be found Lonicera 

 parviflora. Lam., and Lonicera sempervirens, Ait. In Cedar Brook, 

 near Park Ave., Fotamogeton crispus, L., and Ranunculus aquatilis, K, 

 var. trichophyllus, Chaix., are very abundant— the former so much so 

 as to choke up the stream. With these grow Nasturtium officinale. 



R.Br., 



ering, var. laxa, Gray 



Myosotis palustris, With 



Sisymbrium Thalia?ia, Gaud., occurs sparingly in a field near 

 Evona. Stellaria longifolia, Muhl., is common in swamps and mead- 

 ows. Symphytum officinale, L., and Muscari botryoides. Mill., can be 

 found rather common in meadows around dwellings. Woodwardici 

 angustifolia, Smith, grows in a swamp on Short Hills, and Phalaris 

 Canariensis, L., sparingly along roadsides. Bromus sterilis, L., is 

 abundant in Plainfield, on Grove street. Cynthia Virginica, Don, is 

 common in dry meadows along Cedar Brook. Gentiana Saponaria, 

 L., and Gentiana crinita, Froel., are common, the latter especially so 

 on the wet open summit and slopes of the mountain. Pentstemon 



