/ 



DIDYNAMIA AN GIOSPERMU. 



99 



distinctifloris, axillari- 



form, 



bus terminalibusqne. terminal, 



axillary 



with 



and 

 the 



flowers distinct. 



Sp. pi. 1. p. 119. Walt. p. 162. Mich. 2. p. 15. Pursh. 2. p. 416. 



Perennial. Stem herbaceous, 2—3 feet high, 4 angled, hairy, almost 

 hispid, with many slender brandies. Leaves opposite, scabrous, covered 

 with short rigid hair, abruptly narrowed at base. Bracteas subulate, 

 shorter than the calyx. Teeth of the calyx equal. Corolla small, bearded 

 in the throat, wliite, tinged with purple, the border 5-cleft, segments 

 oval nearly equal. Stamens shorter than the tube of the corolla, in 

 which they are inserted. Stijle as long as the stamens. Stigma ^ glo- 

 bose, seated in the division of the style. Seeds 4, somewhat united at the 

 jnner angles. 



Grows in damp soils ; very common. 

 Flowers July — October. 



^. 



m 



6. StrictaJ Willd. 



V. caulibus rigide I Stems rigidly erectj 



ereetis; foliis sessili- leaves sessile, 



biis,obovatis, serratis, 

 subtomentoso-hirsutis- 

 simis, albicantibus 



vate. 



serrate. 



obo- 

 very 



hirsute, hoary; spikes 



3 



spicis strietis,imbrica- 

 tis, subfasciculatis. 



Pursh, 2. p. 417- 



V. Rigens. Mich. 2. p. 14. 



straight, 

 clustered. 



imbricate 



s 



'^ 



Spihes straight long pubescent. Corolla large, pale blue. Michaux. 



With this plant I am unacquainted, it is inserted here on the somewhat 

 doubtful authority of Pursh. 



Grows in Carolina and the Illinois country. 



and 



-^ 



7. Caroliniana. 



y? erecta, scabrT, 



foliis oblongo^obova- | leaves oblong? 



Erect, scabrous 



obc 



7 



^ 



5' 



tr 



■^ 



