TETRANDRIA MONOGYNTA^ ±89 



Sv.artz remarks* that this plant varies, with the stem glabrous and 

 piibe»centy straight or bent, and with flowers in whorls or nearly soli* 

 ttrr- Swartz Obs, 43, 



&*/em erect. Leaves scabrous on the upper surface. Pursh. 



Gnnv% in dry j^ravelly situations, from Virginia to Carolina. Pursh. 



Flowers June — August. 



J 



X 



t. DioDiNA. Mich. 



S. hirsiita, culmo tere-.f Hirsute ; stem terete 5 

 ti;foliis liiieari-lanceola- [leaves Jinear-lanceolate ; 

 tis; floribus axillaribus, flowers axillary, sessile; 



s^'^i'^ililjus. staminibus in- | stamens shorter than the 

 clusis. E. I corolla. 



Mich. 1. p. 82. Pursh, 1. p. 105 ? 



Dlodia teres ? Walt. p. 87. Very near S villosa. 



Bwf aunual ? Stem procumbent, columnar, sometimes brandling. 

 «<"**'« sessile, somewhat hairy, finely but sharply serrulate ; a short 

 *eath embracina: tlie base of the leaves, crowned with long setaceous 

 Wipules. Flowers opposite, sometimes solitary, frequently clustered. 

 twjM- 4 leaved. Corulla lon«;er than the calvx", hairy, border 4 parted. 

 r^uaments 4, shorter than tbe corolla. Mthers oblong, incumbent, 

 mferior. Style as long as the stamens. i>tignia globose. Cap- 





calyx. Seed one in each 



ajsule, oblong, flattened on the inside, with the margins somewhat 



Grows in dry, poor, sandy soils. Common, 

 'lowers July— September. 



3. Involucrata. Pursh. 



S. hirsuta, foliis ova- I Hirsute ; leaves ovate- 

 lanceolatis acuniinatis ; | lanceolate, acuminate ; 

 supuhs niultisetis ; ca- | stipules manv bristled : 

 pnuhs termuialibus,inTo. | heads terminal, surround 

 "icmiis ; slamuiibus ex- | ed with an involucrum 



P"re^, 1. p. 105. 



Btamens longer than 

 corolla. 



®«m about a foot high, veri 

 ff- . ^''^'"'^'^ vvhife, with^ 



Le 



Pursh. 



