THE CAYUGA FLORA. 81 



786. E. Esula, L. 



Roadsides ; scarce. June-July. 

 Groton, 1S75 ; again, 18S4. 



787. E. Cyparissias, L. Cypress Spurge. 

 Gravell} T roadsides ; occasional. May-June. 



Escaping from the Valley Cemetery. Near R. R. beyond Enfield 

 Creek. On the hill beyond Enfield ravine, abundant and not near 

 any dwelling. By R. R. east of Varna. 



788. E. Pepeus, L. 



Scarce ; streets of Ithaca ; Buffalo St. ; E. State Street ; Aurora 

 Street and Mill Street. Grounds of the Pres. White place. 

 326. Acaeypha, Linn. 



789. A. Virginica, L,. (H. and C.) 

 Fields, etc ; common. Aug.-Sept. 



[Mercuriaeis annua, L-, near PennYan. Dr. Wright.~\ 



CERATOPHYLLACE^E. 



327. Ceratophyeeum, Linn. 



790. C. demersum, L,. HornworT. 



Aquatic ; frequent in all ponds and lakes, but not fruiting. 



CALLITRICHACE^. 



328. Caeeitriche, Linn. 



791. C. verna, L. Water-STarworT. (H. and C.) 

 Ditches and shallow water ; frequent. Blooms all the year. 



792. C. heterophylla, Pursh. WATER-STARWORT. 



Muddy places and shallow water ; frequent. All the year. 

 Forma, brevifolia, and forma linearis are both common. 



URTICACEiE. 



329. Uemus, Linn. 



793. *U. fulva, Michx. SeippERY Eem. (H. and C.) 

 Rocky banks and ravines ; frequent. April 20-May 10. 



The Campus Brook. Fall Cr., north side. Six Mile Creek, below 

 the mill and elsewhere. 



794. * U. Americana, L. White Eem. (H. and C.) 

 Rich soil or low grounds ; common. Apr. 15-30. 



The beautiful form, with slender pendulous branches is frequent, 

 especially along Cayuga Lake ; a fine example near Taughannock 

 landing ; also near Kidder's Ferry and north ; at Indian Falls, Lud- 

 lowville. The " Big Elm " at the Elm Tree tavern in McLean is of 

 this form. Old first-growth trees of this form, growing along the 

 borders of swampy woods in Groton, Genoa, and Dryden, exhibit 

 peculiarities of their own ; the trunk being usually very tall and 

 straight, with a crown of short, stout, angular branches, and long, 

 pendulous, ultimate branchlets at the summit, clusters of the slen- 

 der branches of recent growth hanging from sides of the main trunk 

 at intervals. They form the most striking feature in a distant view 

 of these woods. 



