\ 



C iiT' 3 



SUPPLEMENT 



TO THE SELECTED ARTICLES. 



No- 97. CHELONE GLABRA. 



Names, Common Snakehead. Fr. Chelonide glabre. 

 Vulgar. Turtle head, Turtle bloom, Shell flower, &c. 



Classify 



Didynamia angios- 



pennia L, 



Genus Cheloxe. Calyx five parted, callculate by 3 



bracts. Corolla ringent, ventricose, convex above, mouth 

 gaping with 2 small lips and 5 lobes. Stamina didyna- 

 mous, anthers woolly, a sterile filament besides. Cap- 

 sule two celled bivalve. Seeds manv, with a membra- 



naceous margin. 



Sp* Chelone glabra. L. Smooth ; leaves opposite sub- 

 sessile, lanceolate oblong acuminate serrate, base acute, 

 flowers in dense terminal spikes. 



DESCRIPTION. This^ plant haa so many ^.triking 

 varieties, that no description can apply to all j they, 

 however, agree in having a perennial root, stem erect, 2 

 to 5 feet high, with 4 obtuse angles : flowers terminal in 

 a dense sessile short spike, each flower sessile and axil- 

 lary to 3 bracts,^ commonly ovate acute entire, calyx 

 with 5 unequal embricate segments, oblong obtuse, co- 

 rolla similar to the head of a snake or turtle. The fol- 

 lowing are the varieties, wluch mighty perhaps, be deem- 

 ed as many species. 



1, Clu alba. Stem simple, 2 to 3 feet high ; leaves 

 subsessile, the lower alternate : spike oblong, flowers 



white. 



2. Ch. mactilata. Stem branched, 2 or 3 feet hlglj, 

 leaves pctiolate lanceolate, crowded above ,• flowers 

 white, with green mouth spotted of red, calyx margined 



of red- 

 ^^0u_l_a7tceolate.^^^^ixk^,^miAi?. 3 to 4 feet high, 



ieares sessile lanceolate, pube^sccnt beneath, flowers 

 white or rose. 



