DiANDRlAMONOGYNrA. ly 



■wards equa|ling them. Tube of the corolla yellowish, streaked with 

 purple; border white. Fifaw^nts. sessile, shorter tiian the corolla: S 

 sterile very short. Mthers white. Style, lon-er than the stamens. 

 Ati^ma bilabiate. Capsule much shorter than the calyx. 



Groivs nroiind nnml^i nnf f-i^n •' 



May— J 



not rare. 



Four toothed Crratiole^ 



6. Tktragona. E. 



G. glabra ; caule pro- I Plant smooth ; stem 

 cumbente, tetragono ; fo- | procumbent, square 5 

 liis lanceolatis, parce den- I leaves lanceolate, spa- 



tatis ; calycis foliolis | ringly toothed; leaves of 

 sequalibiis. E. j the calyx equal. 



Jloot perennia]. 



square. 



Leaves sessile, acute, 4—6 toothed, obscurely 5 nerved. Flowers on 

 square peduncles 2-S lines long. Leaves of the caly.v linear, finely 

 serrulate. Corolla white, with coloured streaks. Capsules oblons 

 acute, somewhat compressed and oblique, as long as tlie calyx. 



Grows in ponds and ditches four miles from Charleston. 



Flowers September-xVovember. S^uare-stemmed Gmtiol*, 



7. Acuminata. Walt 



G. glabra ; caule [ Plant glabrous; stem 

 quadrato, erecto ; foliis square, erect; leaves lan- 

 lanceolatis, subobtusis, | ceolate, rather blunt, 

 versus apicem dentatis; [ toothed toward the sum- 

 stammibus4,fertmbus. E. j mit; stamens 4, fertile. 



Walt. p. 61. 



m 



Root perennial. Stem 12-18 inches high, the angles slightly wing- 

 fed. Leaves somewhat wedge-shaped at base. Flowers solitary, at 

 illary, on peduncles generally longer than the leaves. Leaves of the 

 calyx a little unequal in breadth. Border of the corolla 4 parted, t 

 ^gment wider bearded within, all slightly toothed and mucronate! 



V.^T r ' '?'' *'^° f ^ ^''°''*^''» "^*^''*ed into the tube of the 



rZf.{ .^f^? f Pe'-ioi-. %^^ shorter than tl-.e stamens, .^//-ma com- 

 pressed, bilabiate. (fliJSM/e oblong-ovate, compressed, acute, 2 cell- 

 ed, 2 va ved. .Seeds many, cylindrical, truncate, striate, attached t» 



a central receptacle 



Grows in ditches and wet places, extensively dl (fused, 

 blowers August— September. Walter's 



1 



Walter* s Gratiola. 



c^^J^ ''"r"^^^'J'^''*^''^S"lar didynamous flower, and the G. 



spnarocarpa, by its fruit, appear to be somewhat distinct from the 



otiicr species; but I have retained them, unwilling to multiply geuera. 



^i 



