32 CHLORIS BOREALI-AMERICANA. 



GAILLARDIA AMBLYODON, Gay. 



TAB. IV. 



" G. AMBLYODON : annua ; caule ramisque difFusis hirtel- 

 lis ; foliis oblongis basi subauriculata sessilibus supra 

 medium denticulatis serratisve, inferioribus subspathu- 

 latis ; squamis involucri linearibus setaceo-acuminatis 

 hispido-ciliatis tri - quadriseriatis conformibus basi 

 callosa longiuscule coarctatis, mediis longioribus ; li- 

 gulis (croceo-flammeis) 12-14 confertis ; dentibus 

 coroUse disci ovatis obtusis ; fimbrillis receptaculi seti- 

 formibus crebris achenium parum superantibus ; pappo 

 radii exaristato ! 



G. amblyodon, Gay, in Ann. Sci. Nat. {ser. 2), 11. p. 57; Torr. ^- Gray, 

 Fl. N. Amer. 2. p. 367 ; Engelm. Sf Gray, PL Lindheim., no. 104. 



Hab. In arenosis provincise Texas, ubi collegerunt 

 Drummond, Lindheimer, Wright. Floret ineunte ses- 

 tate ; in horto usque ad ultimum autumnum. 



This species, without doubt the most showy of the genus, was 

 first raised in the Cambridge Botanic Garden in the summer of 

 1845, from seeds sent from Texas by that assiduous collector, Mr. 

 Lindheimer. It ripened seeds freely, from which the species is 

 again cultivated the present season. 



The plant grows after the manner of G. pulchella and G. picta, 

 but is ranker, branching freely, forming ample clumps, two to three 

 feet in height, and producing a succession of blossoms until it is 



