The Flora of the Cayuga Lake Basin 387 



3. Symphoricarpos (Dill.) Ludwig 



a. Leaves pubescent beneath; plants mostly 2-10 dm. high. 1. S. albus 



a. Leaves glabrous beneath ; plants mostly 10-20 dm. high. la. S. albus, 



var. laei'igatus 



1. S. albus (L.) Blake. (See Rhodora 16:118. 1914. 5". racemosus of Gray's 

 Man., ed. 7. S. racemosus and var. pauciflorus of Cayuga Fl.) 



Shaly and somewhat limy cliffs and talus ; abundant in places. June 25-July 20. 



Larger ravines of the basin, and the shores of Cayuga Lake : Enfield Glen 

 (£>.!); Six Mile Creek (£>.) ; Fall Creek, below Ithaca Falls (£>.!); lake cliffs, 

 from McKinneys to Willets (D. !) ; Taughannock Gorge (£>.!). 



N. e. Que. to Alaska, soutliw. to w. Mass., Ont., Pa., Mich., Mont., and Calif.; 

 rare or absent as a native plant on the Atlantic Coastal Plain. 



la. S. albus (L.) Blake, var. laevigatus (Fernald) Blake. (S. racemosus, var. 

 laevigatas, of Gray's Man., ed. 7.) 



Roadsides and about old house sites, in rich soil ; occasional. June 15-July. 



Escaped from cultivation: near Ball Hill, Danby; Inlet Valley, near Enfield 

 Glen; s. of Coy Glen; Brookton; Forest Home; near McKinneys; near Paine 

 Creek. 



Native : Que. to Wash., southvv. locally in the mts. to Va. ; widely cultivated. 



4. Linnaea (Gronov.) L. 



1. L. borealis L., var. americana (Forbes) Rehder. (L. borealis of Cayuga Fl.) 

 Twin-flower. 



In humus in damp mossy woods, more often under conifers; frequent. June. 



Wood road n. w. of station, North Spencer; island in Summit Marsh (D.) 

 near Summit of Saxon Hill (D.) ; roadside e. of West Danby station; open peaty 

 meadow n. w. of Enfield Falls; Enfield Glen; Fir Tree Swamp, Danby (D.I) 

 near Buttermilk Falls (D.) ; Cascadilla woods (D.) ; n. of Forest Home (D.) 

 e. of Freeville Bog (D. !) ; hill s. of Willow Grove (A. H. Wright); s. bank 

 of Taughannock Gorge (£>.!); Ludlowville (H. B. Lord, D.) ; arbor vitae swamp 

 e. of Clyde. 



Lab. to B. C. and Alaska, southw. to N. J., Md., Pa., and Minn. Not a coastal 

 plant. 



5. Triosteum L. 



a. Leaves velvety beneath. 1. T. perjoliatum, 



var. aurantiacum 

 a. Leaves glabrous or nearly so beneath. la. T. />., var. glaucescens 



1. T. perfoliatum L., var. aurantiacum (Bicknell) Wiegand. (See Rhodora 25: 199. 

 1923. T. aurantiacum of Gray's Man., ed. 7.) Feverwort. Horse Gentian. 



Rich slopes and bottom lands, in gravelly, nearly neutral, soils ; frequent. June. 



Fairly common about the ravines of the basin, but scarce elsewhere ; apparently 

 rare in the McLean region and in the more residual acid soils of the higher hills : 

 Enfield Glen ; upper Buttermilk Glen ; Six Mile Creek ; Fall Creek ; path n. 

 of Mud Pond, McLean Bogs ; Esty ; Salmon Creek ; Paine Creek ; and elsewhere. 



Que. to Conn, and in the mts to Va., and from N. Y. to 111. and Wis. ; infrequent 

 or rare on the Coastal Plain. 



This variety is highly variable in the Cayuga Lake Basin. One or two individuals 

 with perfoliate leaves, but with other characters of the variety rather than of the 



