220 A GUIDE TO THE WILD FLOWERS 



Leaves without marginal teeth, or if these are present, in- 

 conspicuous and very shallow 



Plants with conspicuous milky juice no. 695 



Plants without milky juice 



Prostrate or low plants, not usually over 8-10 in. high, 



mostly less no. 688 



Erect plants, usually not over i ft, high, sometimes much 

 more so. 



Flowers not blue no. ^JJ 



Flowers bright or deep blue Gentian no. 671 



671. GENTIAN. DASYSTEPHANA AND GENTIAN A. 



Late summer or autumn flovi^ering erect herbs, usually 1-2 

 ft. high. Leaves simple, alternate, usually stalkless, or with 

 a very short stalk, always without teeth or lobes. Flowers 

 soHtary or in few flowered, rather close, clusters, bright or 

 dark blue. Corolla funnel form, or tubular, sometimes closed 

 at the summit, or open and spreading, beautifully fringed 

 in some species. Fruit a dry pod. (Gentianaceae.) The five 

 species here included are separated thus : 



Flowers conspicuously fringed Fringed Gentian no. 672 



Flowers not fringed 



Flowers nearly or quite closed Closed Gentian no. 673 



Flowers open, but the summit sometimes incurved. 

 Leaves linear or lance-linear 



Flower solitary, stalked .... One-flowered Gentian no. 674 



Flowers in clusters Gentian no. 675 



Leaves oval Stiff Gentian no. 676 



See also nos. 415 and 805. 



672. Fringed Gentian. Gentiana crinita. A showy autumn 

 flowering, mostly biennial herb, 1-23^ ft. high. Leaves op- 

 posite, broad and slightly heart shaped at the base, narrowed 

 towards the tip, 1-2 in. long. Flowers deep blue, tubular, the 

 four spreading lobes beautifully fringed. In wet meadows 

 or thickets. Quebec and Ontario to Georgia, and westward. 

 October. Fig. 672. A related species, G. procera, with nar- 

 rower leaves and shorter-fringed flowers, is found from 

 Ontario to New York, and westward. 



673. Closed Gentian. Dasystephana Andrewsii. {Gentiana 

 Andrewsii.) A stout perennial 1-2 ft. high, the lower leaves 

 opposite, the upper clustered. Leaves stalkless, lance-oval, 



