28 THE CAYUGA FLORA. 



Dryden Road, near Ileustis St., Renwick Farm, Dauby and else- 

 where. 



236. P. pumila, L. Dwarf Cherry. 



Rare. Only known on the hummocks of South Hill Marsh, ! 

 where it was detected by Mr. Curtice, in 1S82. May 25-June 10. 



The habitat is unusual, and remarkable in view of the fact that 

 it has been vainly sought for on the lake-shore, where it would be 

 expected. Its drupes at our station are usually destroyed by Exoas- 

 cus Priuii, Fck'l, a fungus. 



237. P. Pennsylvanica, L. Wild Rkd CHERRY. (C.) 

 On newly cleared land and in ravines ; common. May 15-20. 



238. * P. Virginiana, L. Choke CHERRY. (H. and C.) 

 Ravines and rocky banks ; common. May 10-25. 



239. * P. serotina, Ehrh. Wild Black Cherry. (H. andC.) 

 Woods ; frequent. May 20-June 30. 



103. Spir-Ea, Linn. 



240. S. salicifolia, L. Meadow Sweet. (H. and C.) 

 Marshes and low grounds ; common. Aug.-Sept. 



S. LOBATA, Murr. 



A bed of this plant has been growing vigorously for some years 

 on the marsh north of Ithaca. July. 



104. Neillia, Don. 



241. N. opulifolia, Benth. and Hook. (Spircea opulifolia, L.) Nine- 

 bark. 



Cayuga L. shore, (Jordan), where it is abundant ! June 10-30. 

 "Ithaca," (Sartw ell Herb.) Ledyard, (Herb. J. J. Thomas.) 

 It is especially abundant and beautiful on the shales of the High 

 Cliffs, north of Kings Ferry. It occurs in Fall Cr., below the Mir- 

 ror Falls, and in Taughannock ravine. 



105. GillEnia. Mcench. 



242. * G. trifoliata, Mcench. Bowman's Root. (H. and C.) 

 Dry woods, with Ceanolhus, etc. ; frequent. June. 



Case. Woods, 011 the knoll near the Armory, and in similar situa- 

 tions. 



106. Daeibarda, Linn. 



243. D. repens, L. (Rubus Dalibarda, L.) (C. by Dr. Wright.) 

 Borders of sphagnum swamps and hemlock woods. July-Aug. 

 Enfield ravine. Near Michigan Hollow Swamp, and not uncom- 

 mon near the low woods and swamps, Freeville and McLean. Led- 

 yard, (Herb. J. J. Thomas.) 



107. Rubus, Tourn. 



244. *R. odoratus, L. Flowering Raspberry. (H. and C.) 

 Rocky or gravelly banks ; common. June- Aug. 



Specimens with white and with pink dowers on west shore of the 

 lake. (F. B. Hive, 1876. F. T. Wilson, 1882)! 



245. R. triflorus, Rich. (C.) 

 Moist woods and hedges ; frequent. May. 



