22 THE CAYUGA FLORA. 



177. A. dasycarpum, Erhart. WHITE Maple. Silver Maple. 



(C. by Dr. Wright.) 



Mostly in alluvial soil on the lower levels ; frequent. Mar.-April. 



Marshes near the Lake (Jordan)] Negundo Woods and south. 



Occasional in the swampy regions of Lansing and Dryden, and very 



abund. in the woods on the Cayuga and Montezuma Marshes. One 



of the earliest bloomers. 



178. *A. rubrum, I,. Red Maple. Soft Maple. (H. audC.) 

 Chiefly on the hillsides or in upland woods and swamps ; com- 

 mon. April. 



S3. Negundo, Mcench. 



179. N. aceroides, Mcench. Box-Elder. 



In "Negundo Woods" at a bend of the creek, \ x / z miles south of 

 Ithaca. Discovered here by Professor Branner, when a student, 

 June, 1873. The only station reported for N. York State until 1885, 

 when Negundo was reported from near Binghamton by Dr. Mill- 

 spaugh in the Bull, of the Torr. Club. There were, when first dis- 

 covered, about 20 trees, at the Ithaca station, ranging from y 1 ^ to \ 

 meter in diam., and without doubt indigenous. Since then most of 

 them, together with the magnificent old Buttonwoods and Elms, 

 have been cut down. There are some young trees, both here, on 

 the banks of the creek below the railroad bridges, and near the 

 McGraw barns. 



ANACARDIACE^. 

 84. Rhus, Linn. 



180. R. typhina, L. Stagshorn. (H. and C.) 

 Ravines and hillsides ; common. July 1-15. 



181. *R. glabra, L. Smooth-sumac. (H. and C.) 

 Banks and hillsides ; frequent. July 10-30. 



Slopes of East Hill, South Hill, and abundant on shore of Cayuga 

 Lake. 



182. R. venenata, DC. Poison SUMAC OR P. Dogwood. (H.andC.) 

 Marshes ; not common. July 1-20. 



Indian Spring Marsh, and occasional in the sphagnum swamps. 



183. * R. Toxicodendron, L- Poison Ivy. (H and C.) 

 Low grounds and rocky places ; common. June-July. 



184. R. aromatica, Ait. Aromatic Sumac. (H. and C.) 



Rocky declivities, where it is frequent. May. 

 Fall Cr., near Triphammer Falls, and elsewhere. Found on 

 South Hill, in Six Mile Cr., in all the ravines, on the high " Pinna- 

 cles" at West Danby and White Church, and especially abund. on 

 the E. shore of the lake. 



LEGUMINOSiE. 

 85. BapTisia, Vent. 



185. B. tinctoria, R. Br. Wild Indigo. 



In Junius, Seneca Co. (Sartwell in Herb, and C.) 



