232 Gentianaceae 



solitary at the ends of the stems or branches. 

 Calyx 4-i2-lobed; corolla 4- 12 -parted; sta- 

 mens as many as the lobes of the corolla 

 and alternate with them. 



Corolla funnel-form or campanulate ; without glands, 

 spurs or scales. Gentiana. 



Corolla campanulate; spurred at the base. 



Tetragonanthus,. 



Gentiana Stem leafy, slightly angled, sim- 

 acutaMichx. pie or branched, 6-20 inches 



Northern high g asal and lower leaveg 



Gentian. 



spatulate or obovate, obtuse, 

 the upper lanceolate, acuminate, rounded or 

 subcordate at the base, sessile or somewhat 

 clasping, -J- 2 inches long. Flowers numer- 

 ous in clusters in the axils of the upper leaves ; 

 pedicels -J i inch long, leafy bracted at the 

 base; calyx deeply 5 -parted, lobes lanceolate; 

 corolla tubular campanulate, J an inch long, 

 5-parted, pale blue or greenish; lobes lance- 

 olate, acute each with a fimbriate crown at 

 the base. 



Along stream banks and grassy slopes 

 throughout the Rockies, common; flowering 

 in July. 



