62 THE CAYUGA FLORA. 



Indian Spring Marsh ; thence to Negundo Woods and Larch 

 Meadow. Cayuga Lake on all the low points; on Frontenac Island, 

 Canoga and Cayuga .Marshes. Summit Marsh. From a tree on 

 Sheldrake Point, young shoots from the hase of the tree were col- 

 lected, with pubescent leaves, while leaves from older parts were 

 entirely glabrous, appearing like the next species. 



602. F. viridis. Michx. GREEN ASH. 



Typical specimens from Farley's Point and shore south of Union 

 Springs. Specimens from Lake Ridge, from near Fleming S. IL, 

 and from Summit Marsh, show some pubesence. 



603. * F. sambucifolia, Lam. Black Ash. (H. and C.) 

 Swamps, or uplands, as by the Campus brook ; common. May 



1-20. 



APOCYNACEiE. 



242. Apocynum. Tourn. 



604. * A. androsaemifolium, L. DOG-BANE. (H. and C.) 

 Banks and borders of woods ; frequent. July. 



605. * A. cannabinum, !_,. Indian Hemp. (H. and C.) 

 Dry beds of creeks and lake-shores, where it is often prostrate ; 



common. July. 



243. Vinca, Linn. 



606. *V. minor, L. Periwinkle. Creeping-myrtle. 

 Spreading only from the root, near yards and cemeteries ; but es- 

 tablished in the wildest part of Enfield ravine, below the falls. 



ASCLEPIADACEiE. 



244. Asclepias, Linn. 



607. A. tuberosa, L. BuTTERFLY-WEED. (H. and C.) 

 Dry slopes of ravines and banks, where it is frequent. July. 

 Case. Cr., Fall Cr., and all the ravines. Abundant on Cayuga L. 



shore, McKinney's to Aurora. 



608. *A. incarnata, L. Swamp-MILKWEED. (H. and C.) 

 Low grounds ; common. July-Aug. 



609. A. incarnata, L. var. pulchra, Pers., occurs rarely. 



610. *A. Cornuti, Decaisne. Common Milkweed. (H. and C.) 

 By streams and roadsides ; common. July. 



611. A. phytolaccoides, Pursh. Wood-milk\VEED. (H. and C.) 

 In woods ; frequent. July. 



612. *A. quadrifolia, Michx. Four-LEAVED MlLKWEED. 



(H. and C.) 

 Ravines and slopes ; frequent. June 15-July 15. 

 A specimen from Franklin's ravine, (F. H. Parsons), has all the 

 leaves in pairs 2-3 cm. apart. 



GENTIANACE^E. 



245. Gentiana, Tourn. 



613. G. crinita, Frcel. Fringed Gentian. (H. and C.) 

 Wet marshy places ; rare. Sept. 



