*60 pentaxdHia. monogynia. 



Flovrerlng from August to November. A very elegant 

 perennial, but not suffruticose, as described by Linnjeus 



3. argyrocoma. Cespitose, procumbent and pubescent 

 leaves linear, pungently acute, villous, and nerveless; sti 

 pules entire; brac\es equal with the flowers; cyme dicho 

 lOmous, crowded, interior apex of the calix bearded, ex 

 lerjor setaceously acuminate. 



Smaller than the preceding to which it is ver)' nearly 

 related; the cyme in this species resembles a capitu- 

 liim, being almost obscured by the numerous and crowd- 

 ed bractcs; the points ot the calix are nearly its length. 

 Sterile setx short; style bifid; utriculus pubescent at the 

 summit, and without valves. 



Un rocks, in tlie mountains of upper Carolina, and on 

 tlie banks of French Broad river, in Tenr.essee, near the 

 lliermal springs. 



4. *sessi!iJiora. Cespitose and difiTusely branched; leaves 

 glabrous, very sliort, linear, reflected and acute; stipules 

 subulate, irregularly lacerate, nearly equal with the leaves; 

 flowers terminal sessile, internal points of th# calix arch- 

 ed, external capillary attenuated. 



Densely cespitose and smooth, leaves without visible 

 nerves. Flowers irregularly crowded at the summits of 

 tlie brunches, not cymose. Style bifid; utriculus not 

 valvular; sterile setae 5. 



On the highest hills of the Missouri, near Fort Mandan. 

 Flowering from June to September. Nearly allied to 

 Jlcrniana. 



To this genus is referrible Illecebrum Paronychia of 

 the south of Europe, said to have a capsular utriculus of 

 5 valves? several other species of that genus also probably 

 belong to tliis. 



236. GLAUX. L. (Black Salt-wort.) 



Calix campanulate, 5-lobed, coloured, infe- 

 rior. Corolla none. Capsule globulai*, surround- 

 ed b) the calix, l-celled, 5-vaived, 5-seeded; re- 

 ceptacle rounded, marked with favulose punc- 

 tures. 



An herbaceous, creeping, maritime plant with opposite 

 oblong leaves, and small axillary subsolitary sessile 

 fiowe: s. 



Species. 1. G.maritima. A genus consisting of a single 

 species found on every sea-coast of the northern hemis- 

 phere within the temperate regions. 



