160 PENTANDRIA. MONOGYNIA. 
Flowering from August to November. A very elegant 
perennial, but not suffruticose, as described by Linnzus- 
3. argyrocoma. Cespitose, procumbent and pubescent; 
_ leaves linear, pungently acute, vilious, and nerveless; sti- 
pules entire; bractes equal with the flowers; cyme dicho- 
tomous, crowded, interior apex of the calix bearded, ex- 
terior setaceously acuminate. ‘ 
Smaller than the preceding to which it is very nearly 
related; the cyme in this species resembles a capitu- 
“dum, being almost obscured by the numerous and crowd- 
_ ed bractes; the points of the calix are nearly its length. 
_ Bterile sete short; style bifid; utriculus pubescent at the 
summit, and without valves. __ eS 
_ Onrocks, inthe mountains of upper Carolina, and on 
___ the banks of French Broad river, in Tennessee, near the 
4. *sessiliflora. Cespitose and diffusely branched; leaves 
glabrous, very short, linear, reflected and acute; stipules 
subulate, irregularly lacerate, nearly equal with the leaves; 
flowers terminal sessile, internal points of the calix arch- 
ed, external capillary attenuated. 
Densely cespitose and smooth, leaves without visible 
nerves. Flowers irregularly crowded at the summits of 
the branches, not cymose. Style bifid; utriculus not 
valvular; sterile setz 5. 
On the highest hills of the Missouri, near Fort Mandan. 
. Flowering from June to September. Nearly allied to 
_Herniaria. ea 
. Fo this genus is referrible Hecebrum Paronychia of 
- the south of Kurope, said to have a capsular utriculus of 
5 valves? several other species of that genus also probably 
belong’ to this. es 
236. GLAUX. L. (Black Salt-wort.) 
Caiix campanulate, 5-lobed, coloured, infe- 
- vior. Corolla none. Capsule globular, surround- 
ed by the calix, 1-celled, 5-valved, 5-seeded; re- 
rounded, marked with favulose punc- 
Scpleilig, tnieniné plani-with opposite 
of a single 
