2 
Strongly 3-rib 
Pressive name, 
487 
ico, collected by Schott, has the upper surface of the rather coria- 
cious leaflets entirely glabrous, but differs in other respects from 
R. Blodgeteii. 
The single specimen which I have seen was collected by 
Blodgett, at Key West, Florida. It is in the Torrey Herbarium. 
Ne 
Two new Genera of Plants from Bolivia. 
By H. H. Russy. 
(PLATES 225 AND 226,) 
*LOPHOPAPPUS. 
Nar, Orp, Composit#, tribe MUTISIACE®. 
oa lowers of the. head about 8, all alike, perfect; involucre. 
cylindrical to slightly campanulate, the bracts 4~5-serialed, im- 
bricated, appressed, oblong, keeled and aristate, serrate, carti- 
_laginous, the innermost oblanceolate, sub-hyaline, cuspidate, 
Ciliate, faintly papillose without; receptacle small, concave, papil- 
°S¢; corolla 2-lipped, the lips recurved, the lower 3-toothed, the 
Upper 2-parted ; anther-base sagittate, the acute lobes adherent, 
Or with very short free tips, the elongated terminal appendages 
obtuse; styie-branches short, thick, slightly spreading, the apex 
founded; akene oblong-linear, inequilateral, 4- or imperfectly * 
costate, hispid; setae of the pappus barbellate, at the summit 
tufted. A much branched shrub, with alternate, crowded, aris- 
tate, entire, coriaceous leaves, and small heads sessile and solitary 
at the ends of the branchlets. 
_ Endeavor has been made to include this plant in Proustia, but 
t differs too greatly in its habit, its solitary heads, cylindrical, few- 
Serialed involucre with different scales, the obscure anther-tails, 
short style-branches, and barbellate and penicillate sete of the 
Pappus. 
Lopuopappys FOLIOSUS, 
Branches slender, erect, dark gray-brown, strongly striate, the 
branchlets tuberculated by‘ the persistent bases of the fallen 
leaves ; leaves 7-12 mm. long, scarcely 1 mm. broad (in the dried, | 
involute sic Sotanoertite, sessile, sub-aristate and pungent, 
d, involute, thick, rigid, finely canescent above, 
_ *I am indebted to my friend, Dr. Charles Rice, for the selection of this very ex- _ 
¥# 
