No. 41. GENTZAMA. 313 



rated — In West Kentucky, leaves few, three inches 

 long, flowers 1 1-2 inches, blue. Dedicated to Elliott. 

 15, G. Gracilis Raf. Slender G. Stem slender, 

 rough, round ancipital; leaves twice as long as the 

 intervals, not spreading, linear, uninerve, clasping, the 

 lower obtuse, upper acute: Flowers two to five, ses- 

 sile, long and slender, calicine segments linear, as 

 long as the tube: Corolla slender, tubular sub-cam- 

 panulate, five cleft, segments deep, acuminate, inner 

 folds simple — In West Kentucky. It has neither the 

 leaves ciliate and undulate as in G. linearis nor the 

 glaucous short leaves of G. torreyana^ A variety of 

 this with broader leaves, more spreading, may be the 

 O, pneumonaiithe of Michaux, tut not Linnaeus, 

 Leaves in both one inch long, and flowers two inches 



long. 



16* G. Axillaris Raf. Axillary G. Stem round, 



rough ; leaves oblong lanceolate, acute at both ends, 

 trinerve, twice as long as the intervals : flowers axil- 

 lary, pedicellate, shorter than the leaves; segments of 

 the calix linear, as long as the tube : Corolla tubular, 

 five cleft, segments acute, with a lateral tooth — Glades 

 of West Kentucky. Leaves three inches long, flow- 

 ers one inch, with* two lanceolate bracts. 



17. G. Co///n^/anaRaf. CollinsianG. Stem round, 

 smooth ; leaves lanceolate, acuminate, trinerve, longer 

 than the intervals; flowers capitate, involucrate, seg- 

 ments of the calix lanceolate, acute, as long as the 

 ttibe: Corolla campanulate, five cleft, segments mu- 

 cronate, inner folds rounded, notched. — A fine species, 



leaves three inches long, flowers two inches, blue. 



