The Flora of the Cayuga Lake Basin 43 



| P. Abies (L.) Karst. (P. excclsa Link.) Norway Spruce. 



Found occasionally in wild places, but probably not established; common in cul- 

 tivation. 



Native of Km. | 



4. Tsuga (Endl.) Can. 

 I. T. canadensis (L.) Carr. Hemlock. 



Shaded slopes, especially in ravines and on the higher hills l>uf also in swamps, in 

 gravelly or shaly soils with little reference to lime content; common. Jinn-. 



Formerly an important forest tree in this region, but now mostly lumbered; 'lis 

 tribution general. 



N. S. and N. B. to Minn., southw. to Del., Mich., and Wis., and in the nits, to 

 Ga. and Ala. ; rarely found on the Coastal Plain. 



5. Abies (Tourn.) Hill 

 1. A. balsamea (L.) Mill. Balsam Fir. ' 



Boggy places, in acid or sometimes apparently calcareous soils; scarce. May. 



Michigan Hollow Swamp; Fir Tree Swamp, Danby (D.\) ; Key Hill swamp; 

 swamp between Slaterville and Dryden Lake; Fir Tree Swamp, Freeville, near the 

 railroad (D.\) ; near the mouth of Mud Creek, Freeville, formerly (D.) ; upper 

 Beaver Brook. 



Newf. and Lab. to Hudson Bay and Alberta, southw. to Mass. and Iowa, and along 

 the mts. to Va. ; apparently infrequent on the Coastal Plain. 



6. Thuja L. 

 1. T. occidentalis L. Arbor Vitae. White Cedar. 



Boggy, more or less calcareous, soils ; scarce. Apr. 25-May 20. 



"A half mile northwest of Black Lake, in a swamp north of Lay's Iron Spring, — 

 a large number" (D.) ; on moor of Junius marl ponds (D. !) ; occasional in the 

 towns of Conquest and Montezuma; bog s. w. of Westbury, in the town of Butler; 

 Crusoe Lake. In the Cayuga Lake Basin, confined entirely to the Ontario plain. 



E. Que. to Man., southw. to Pa., Tenn., 111., and Minn., and in the mts. to N. C. ; 

 apparently absent on the Coastal Plain. 



7. Juniperus (Tourn.) L. 



a. Leaves whorled, subulate-acicular, sharp-pointed, 8-14 mm. long ; plant low, decum- 

 bent. 1. /. communis, var. depressa 



a. Leaves opposite, scale-like, 0.5-1.5 mm. long, less sharp (in juvenile plants 

 acicular) ; plant erect, arborescent. 2. /. virginiana 



1. J. communis L., var. depressa Pursh. (/. communis of Cayuga Fl.) Juniper. 

 Dry sterile stony hillsides, in light noncalcareous soils; rare. May 1-15. 

 "Three stations are known: In a pasture west of Eagle Hill; South Hill, north 



of S. S. 420; W. Danby, near the western base of Thacher's Pinnacle, (F. V. 

 Coville.)" (D.). Two other stations have since been found: n. slope of South Hill, 

 farther toward Caroline (A. H. Wright) ; and crest of ravine n. of Esty Glen. 



N. S. to Conn, and N. Y., along the Great Lakes, and northwestw., including the 

 northern Coastal Plain. 



2. J. virginiana L. Red Cedar. 



Dry hillsides and rocky banks, in gravelly or sandy noncalcareous soils ; locally 

 common. Apr. 15-30. 



About most of the ravines of the basin ; abundant s. of Buttermilk Glen ; on the 

 slopes of Cayuga Lake, in the proper soils ; rare or absent in the McLean district and 

 in the hills s. of Ithaca. 



N. S. to w. Ont. and S. Dak., southw. to Fla. and Tex., including the Coastal Plain. 



