314 



( 



SYNGENE3IA -EQUALIS, 



pidatis, rigidis, semina [ gid^ as long as the 



cequantibus. 



seed. 



1. Integrtfolia. 



Nutt* 2. p« 139- 



Root perennial. Stem erect, three to four feet high, a little scabrous, 

 branching near the summit. Leaves alternate, linear lanceolate, entire^ 

 scabrous. Jwyo?2«crM/M composed of eight to twelve leaves; leaves oblong, 

 membranaceous. Florets numerous, with a border deeply five-cleft j seg- 

 ments reflected. Stamens extended. Style longei than the stamens, two- 

 cleft. Stigmas linear, pubescent. Seed quadrangular, slightly scabrous, 

 black, tapering at base, to a very acute point. Pappus nine-leaved, leaves 

 subulate, with a midrib-prominent and rigid, pubescent on the back; the 

 margin membranaceous, lacerate. 



Discovered by Dr. Baldwin, near St. Mary's, Georgia. 

 Flowers. 



MELANANTHERA. Mich. 



Involucrum duplici 

 serie polyphyllum, sub- 

 aequale. Receptaculum 

 paleaceum, convexum, 

 paleis foliaceis. Semi- 

 na turbinata, angiilata, 

 vertice depresso* Pap. 



pus erectus, (2 



8) sea 

 er, distinctus, decidu- 



Involucrum 



many 



us. 



Brown, 



I 



leaved, leaves nearly 

 equal in a double se- 

 ries. Receptacle chaf- 

 fy, convex, with the 

 chaff leaflike. Seeds 

 turbinate, angled, de- 

 pressed at the summit. 

 Pappus composed of 



distinct 



5 



deciduous, 



scabrous bristles. 



1. Hastata. 



M. foliis hastato-tri- I Leaves hastate three 

 lobisj paleis receptacu- lobed; chaff of the re- 

 li lanceolatis, acumina- ceptacle lanceolate, a- 



Us. 



cummate. 



Mich. 2. p. 107. Pursh, 2. p. 519. Nutt. 2. p. 140. 

 Bideas Nivea. Sp. pi. 3. p. 1/21. Walt. p. 201. 



