The Flora of the Cayuga Lake Basin 341 



Near Enfield Falls; Michigan Hollow; Fir Tree Swamp, Dauby; Beebe Lake; 

 Ellis Hollow; Ringwood, abundant; McLean Bogs; Salmon Creek; Montezuma 

 Marshes. Drier localities: by the campus brook (D.) ; Cascadilla Creek, at Dwycr 

 Pond ; Forest Home ; Chickaree Woods ; McGowan Woods. 



Newf. to Alan., southw. to Va. and Ark.; infrequent on the Coastal Plain. 



4. F. excelsior L. European Ash. 



An occasional escape from cultivation, in ravines and woods adjoining C. U. campus. 



Native of Eu. 



2. Syringa L. 

 J. S. vulgaris L. Common Lilac. 



Spreading from cultivation especially around old buildings, the soil preference not 

 known. May. 



Me. and N. H. to N. Y. and Pa. Native of Eu. 



3. Ligustrum (Tourn.) L. 

 1. L. vulgare L. Common Privet. 



Thickets, apparently in light acid soils. June-July. 



"Several places along the top of the cliffs south of Levanna" (D.) ; edge of woods 

 at Esty Glen ; cliffs n. of Sheldrake. 



Me. to Ont. and N. C. ; escaped from cultivation. Native of Eurasia. 



102. GENTIANACEAE (Gentian Family) 



a. Leaves opposite, sessile, simple; corolla not valvate. 



b. Leaves green, not reduced to scales; stems not filiform; corolla tubular or 

 salver-form, the lobes convolute. 

 c. Flowers large, 1.5-5 cm. long, blue (rarely white); anthers straight; style 



short and stout, or wanting. 1. Gentiana 



c. Flowers small, 1-1.3 cm. long, pink; anthers spiral; style slender. 



2. Centaurium 

 b. Leaves scale-like, awl-shaped; stems filiform; corolla campanulate, the lobes 

 imbricated; flowers very small, white. 3. Bartonia 



a. Leaves alternate, petioled, trifoliolate; corolla valvate, fringed. 4. Menyanthes 



1. Gentiana (Tourn.) L. 



a. Corolla without plaits, lobes, or teeth in the sinuses ; annuals or biennials. 



b. Corolla very large, 3.5-5 cm. long, open-salver-form, its lobes fringed; peduncles 



long. 1. G. crinita 



b. Corolla smaller, 1.5-2 cm. long, broadly tubular, its lobes not fringed ; peduncles 

 short. 2. G. quinquefolia 



a. Corolla with plaits or lobes in the sinuses ; perennials. 

 b. Margins of leaves and sepals ciliate. 

 c. Corolla nearly truncate at summit, the narrow lobes almost obsolete; margins 



of the conspicuous plaits minutely fimbriate-dentate. 3. G. Andrcivsii 



c. Corolla with broad rounded lobes 2-8 mm. long; margins of the less con- 

 spicuous plaits entire or nearly so. 

 d. Leaves ovate-lanceolate, acuminate ; involucre of 4-6 leaves, the outer ones 

 5-10 cm. long; calyx lobes herbaceous, oblong to obovate, spreading; 

 corolla closed. 4. G. clausa 



d. Leaves oblong or elliptical, acute or obtuse ; involucre of 2-4 leaves, the 

 outer ones 3-6.5 cm. long ; calyx lobes firm, linear-oblanceolate. ascending ; 

 corolla distinctly open. \G. Saponaria] 



b. Margins of leaves and sepals not ciliate, smooth. 5. G. linearis 



