340 



NATURALIST'S GUIDE TO THE AMERICAS 



once farmland. Adequate roads and 

 walks have been provided. 



Wissahickon Valley 6 mi. north of 

 Philadelphia./. W . H, 



Delaware River Tidal Marsh. (B2.) 

 The tidal marshes of the Delaware river 

 are worthy of preservation because fre- 

 quented by birds and because of their 

 botanical interest. There are the feed- 

 ing grounds of the shad and other food 

 fishes. 



Eddington, Pa., Bucks Co., Pa. 

 /. W. H. 



Painter Arboretum. (H8.) This ar- 

 boretum was founded by Jacob and Min- 

 shall Painter about 80 years ago; it 

 comprises about 100 acres. Here they 

 planted many rare trees, now grown to 

 maturity. The rare trees included cedar 

 of Lebanon (Cedrus Libani}. Gordonia 

 pubescens, redwood (Sequoia semper- 

 virens), big tree (Sequoia gigantea), 

 varnish tree (Koelreuteria paniculata), 

 and bald cypress (Taxodium distichum) 

 with well-developed knees. 



Delaware County, one mi. west of 

 Lima./. W. H. 



Pink Hill. (CD.) Along Dismal Run 

 is a serpentine outcrop on which grown 

 black jack oak (Quercus marilandica) , 

 postoak (Q. stellata), Phlox subulata, 

 Cerastium oblongifolium, etc. This hill 

 slope of 10 acres should be preserved. 

 See Harshberger, John W.: "The 

 Flora of the Serpentine Barrens of S. E. 

 Penna.," Science, new ser. XVIII: 339- 

 343, September 11, 1903; Pennell, F. W.: 

 "Flora of the Conowingo Barrens of S. 

 E. Penna.,' Proc. Acad. Nat. Sci. 

 Phila., 1910: 541-584; 1912: 520-539. 



One mi. north of Lima, Delaware 

 County./. W. H. 



Crum Creek Deciduous Forest. (C3.) 

 8000 acres or more of the valley and val- 

 ley slopes of Crum Creek. The water of 

 this creek furnishes the drinking water of 

 nearby towns as supplied by the Spring- 

 field Water Co. There is some of the 

 finest forest in eastern Pennsylvania 

 with hemlock groves prominent. The 

 herbaceous flora is also rich in such forms 

 as blue cohosh (Caulophyllum thalic- 

 troides), wild ginger (Asarum canadense), 

 green violet (Hybanthus concolor), etc. 

 The principal area which should be 

 preserved by the state lies 2 miles east of 

 Media, Delaware County, Pa.. 20 to 30 

 minutes by trolley from Phila. See 

 Harshberger, John W.: "A Phytogeo- 

 graphic Sketch of Extreme Southeastern 

 Penna.," Bull. Torr Bot. Club, 31: 125- 

 159, March, 1904. 



Delaware County, Pa., between 

 Swarthmore and West Chester Turn- 

 pike./. W. H. 



Forest and River Shore on Lower Sus- 



quehanna. (C3.) See Porter, Thos. C.: 

 "The Flora of the Lower Susquehanna, " 

 Bull. Torr. Club, 25: 485-494, Septem- 

 ber, 1898. 



York Furnace in the Counties of Lan- 

 caster and York. Reached from Colum- 

 bia and Safe Harbor./. W . H. 



Deciduous Forest. (C3.) Located in 

 a narrow defile or gorge of the South 

 Valley Hills Philadelphia and Norris- 

 town. Here Gulph Creek breaks its way 

 by water gap through hills composed of 

 Octoraro Schist. See Harshberger, John 

 W.: "Slope Exposure and the Distribu- 

 tion of Plants in Eastern Penna." Bull. 

 Geog. Soc. Phila., XVII :4M1, Apr., 1919. 



Gulph, Pa. Between Philadelphia and 

 Norristown P. & W. Electric./. W. H. 



Mixed Forest on Slate hills. (03.) 

 Here under oaks and other trees grown 

 the rare box-huckleberry (Gaylusaccia 

 brachycera), known to grow in only in a 

 relatively few other localities in the 

 world. See Coville F. V. : "The Threat- 

 ened Extinction of the Box Huckleberry, 

 Gaylusaccia brachycera," Science, new 

 ser. L: 30-34, July 11, 1919. 



South of New Bloomfield, Perry Co.' 

 Pa./. W. H. 



Coniferous and Deciduous Forest. 

 (B3.) Located on a mountain plateau 

 2000 feet in elevation; lake plants, 

 deciduous and coniferous forest. Ea- 

 glesmere is a noted resort. 



Eaglesmere. /. W. H. 



Black Forest. (C2.) There are 3000 

 sq. mi. of coniferous (hemlock) and 

 hardwood forest covering a hilly 

 country. 



In several counties (Cameron, Clinton, 

 Elk, Lycoming, McKean, Potter, Tioga 

 and Warren) near Renova, Pa. /. W. H. 



Center County Barrens. (C3.) Here 

 are 10 acres of coniferous and mountain 

 forest with sandy pine barrens without 

 a counterpart anywhere in the western 

 Pennsylvania or western New York. 



7 or 8 mi. southwest of State College in 

 Center County. /. W. H. 



Clarion River deciduous and coniferous 

 forest. (H8.) Along the Clarion River. 

 Here 2000 acres have been planted to 

 100,000 white pine trees. There is some 

 primeval forest of oak, chestnut, maple, 

 ash and white pine. 



Foxburg, Clarion Co., Pa. 



Cook Tract. (B3.) About 7600 acres 

 of which 4000 are covered with forest 

 primeval. The ground rises 300 to 500 

 ft. above the river and is covered with 

 fine white pine, hemlock and cherry. 

 The purchase of the tract has been 

 advocated by the Pennsylvania Forestry 

 Association and the Wild Life League. 



Clarion, Forest and Jefferson County 

 Cooksburg. /. W. H. 



