NAT. ORDER. GENTIANE.E. 57 



flower is blue, and the stem sometimes only about four inches long. 

 It was named in honor, and dedicated to Dr. Short of Kentucky. 



Gentiana torregana. Torreyan Gentian. Stem erect, rough, 

 quadrangular ; leaves linear-lanceolate, obtuse, glaucous, short, twice 

 as long as tlie intervals, uninerve, clasping, often revolute ; flowers 

 three to five, terminal, sessile, calycinal segments, linear, as long as 

 the tube ; corolla nearly campanulate, five cleft, segments acute, inner 

 folds entire. This grows in the glades in the middle States. The 

 flowers are blue, about one inch long. Dedicated to Dr. Torrey. 



Gentiana rigida. Stiff Gentian. Stem stiff, round, rough ; leaves 

 lanceolate, acute, stiff, small, subtrinerve, clasping, longer than the 

 intervals; flowers one to five terminal, calycinal segments linear, as 

 long as the tube ; corolla campanulate, five cleft, segments acute, 

 inner folds. It is found growing in West Kentucky, and Tennessee. 

 The stem is red, flower blue, one inch long, leaves glaucous beneath, 

 and small. 



Gentiana quinqucjlora. Five flowered Gentian. This plant is 

 easily known by its branched winged stem ; which is small, oval, 

 and the leaves clasping ; the flowers five cleft, small, axillary by 

 bunches of three, four or five, and blue. This is common from New 

 England to Kentucky, and the best substitute for the oflicinal gentian ; 

 the whole plant may be iised, being intensely bitter like Sahbalia 

 ans:nlaris. 



Gentiana amarelloides. Yellow bunch Gentian. This differs 

 from the former, by its having oval lanceolate leaves, stem round 

 Avith four small angles; flowers axillary and terminal, yellowish ; 

 calyx longer foliaceous. It is an inhabitant of Kentucky, Illinois, 

 and other Western States. It is an annual, and equally valuable in 

 medicine. 



Gentiana crinita. Fringed Gentian. Easily known by its lance- 

 olate leaves, large solitary flowers, on long peduncles, with a fringed 

 four cleft corolla. Tliis is an elegant species, and is found from New 

 York to Soutii Carolina ; a perennial. 



