318 DESCRIPTIONS OP NEW SPECIES 



with a very long, flaky, silk-like, more or less deciduous pubescence ! flow- 

 ers in corymbs, simple or paniculate ; rays rather broad and few, yellow, as 

 well as the disk. Pappus very slender, fulvous, the external chaffy kind, 

 also, nearly of the same colour. Achenium very remarkable for its tenuity 

 and acumi nation at either extremity, black or brown when ripe, and some- 

 what sericeous; the striatures not elevated above the surface into ribs, and 

 . very slender. 



Pityopsis pinifolia; smooth, leaves crowded, very long and filiform; branches 

 one-flowered, corymbose; scales of the involucrum in three or four series, cari- 

 nate, pubescent at the tips; achenium pilose, with a very distinct rostrum. 



Hab. In Georgia, on sand hills, between Flint and Chatalioochee rivers. 



§ I. Sericophyllum. — Leaves gramineous, clad with Jlahes of a long, somewhat 

 deciduous, oppressed silky pubescence. Achenium with a shorter rostrum. 



Pityopsis falcata; deciduously sericeous, subdecumbent; corymb simple, pe- 

 duncles or naked branchlets one-flowered, axillary and terminal; leaves short, 

 linear, sessile, falcately recurved, acute; achenium sericeous, distinctly rostrate. 



Hab. In barren pine woods, near Quaker-Bridge, in New Jersey, where alone I have ever seen 

 it. Achenium rostrate and acuminate at base ; pappus brownish, at first white, the external very 

 slender, 



Pityopsis graminifolia. Obs. — Involucrum and upper branchlets glandu- 

 larly pubescent. Achenium slender, attenuated at either extremity. Chry- 

 sopsis graminifolia, Elliott. Decand., Vol. V., p. 326. 



Pityopsis argentea. — Involucrum pubescent, not glandular. Achenium near- 

 ly black when mature, acuminated at each extremity. Chrysopsis argentea^ 

 Elliott. Decand., Vol. V., p. 326. 



*EIIICAMERIA. 



Capitulum few-flowered, heterogamous ; rays feminine, three to six, short and 

 oblong, three-toothed, sometimes bilabiate ; discal florets about seven to nine,, 

 campanulate, fi,ve-cleft. Stigmas very long and slender, acuminate, pubes- 



