y' 



\ 



402 SVNGENESIA SUPERFLUA 



,\ 



nutnerons, 



yellow, tubular, five-cleft at the summit. Anthers a little longer than the 



flortts. Seeds somewhat angula 



Pappui 



composed of five to six membranaceous scales, ovate, acummate, mucronate, 

 lacerate, shorter than the florets of the disk. Receptacle nearly globular, 

 naked, excepting that between the florets of the ray are mterposed subulate, 

 entire scales as long as the florets of the disk. 



Grows in wet soils, along the margins of fresh water rivers— very com- 



mon. 



Flowers October— November. 



^ 



2. QUADRIDENTATUM, Mich- 



H. foliis anguslo- I Leaves narrow Ian- 

 lanceolalis, integris, ceolate, entire^ widely 

 latius decurrentibus; ! decurrent; florets oi 

 floscuUs disci quadri- j the disk 4-tootlied. 

 dentatis* 



have a specimen which I was once disposed to consider as belonging 

 pecies, it differs, however, in several respects, but as it is imperfect 1 



Mich. 2* p. 132. Pursh, 2. p. 560. Nutt. 2. p. 173* 



j\Iichaux describes this plant as growing in Carolina, Nuttall mentions 

 it as seen by him in Louisiana. Pursh speaks of it also as a Mississippi 

 plant, and says that its flowers are smaller than those of the preceding spe- 



cies. 1 



to this species 



shall briefly notice it in this place. 



Stem about three feet liigh, winged, the wings less conspicuous than those 

 of the H. Autumnale, pubescent. Upper leaves remote, linear-lanceolate, 

 pubescent, entire; the lower ones in my specimen wanting. Flowers ^^J^^^^' 

 terminating the small branches. Involucrwn about twelve-parted? Flore s 

 of the ray obovate, with the summit three or four toothed, yellow, larger 

 than those of the IL Autumnale; of the disk very numerous, four or tive 

 parted- Seeds hispid, covered with scales rather than with hair, ^^f^^f 

 composed of six ovate acuminate, mucronate scales. Receptacle oblongj 

 resembling that of the Rudbeckia. 



Grows in the swamps of Carolina.. 



Flowers September — Octojjer. 



ECLIPTA. Gen. Pl. 1316. 



Involucrum poly- 1 Involucrwn many 



pliyllutn/oliissubcequa- leaved^ the leaves 



libus. Coroliulw ciisci | nearly equal. Florets 



