SYNOENESTA SUPERFLUA. 



409 



longer than the mvolucrum, yellowish, five-cleft. Styles and stamens about 

 as long as the florets of the disk. Seeds of the ray three; of the disk four 

 angled, crowned with a four- toothed membrane, the angles very acute. Re- 

 TbeTcent ^' 'nipressed, chaffy; chaff obovate, acuminate, xvith a rigid point, 



Grows along the margin of salt water. 

 ' Flowers June — October. 



2. Angustifolium. Pursli, 



B. foliis alternis, lin- 



Leaves 



earibus, superiie latio- linear, broader 



alternate 



> 



ribus, 



near 



mtegerrimis, the summit, entire, gla 



glabris; involucri folio 



lis acute lanceolatis. 



brous; 



leaves of the 



involucrum 

 lanceolate. 



acutely 



Pursh, 2. p. 564. Nutt. 2. p. 172. 



With 



Herbarium of bir Joseph Banks, I am unacquainted. It was found proba- 



Bartram 

 Grows in Georgia and Florida. 

 Flowers — 



Pursh. 



/ 



SIEGESBECKIA. Gen. Pl. 1320. 



Involucrum exterius 



Exterior involucrum 



5-phyllum, patens. Ra- 5 leaved, expanding 

 dius dimidiatus. Semi- \ Florets of the ray 



ill. *SeeGf somewhat 



na subtetragona. Pap 

 pus nullus. Recepta 

 culum paleaceum. 



sm 



4 



gled 



Pi 



Receptacle cha 



pus 



1. Laciniata. 



S, 



foliis laciniato- 



mnatifidis, superior! 

 «s lanceolatis, 

 gris, tuberculatis: 



Leaves laciniate pin- 

 natifid, the upper lan- 

 inte- 1 ceolate, entire, rough 



m 



VOL. 11. 



ened 



with 



tubercles 



f3 



9 



