PENTANDRIA. DIGTNIA. l99 



Species. 1. C Bowis Henricus. I have, as yet, nei- 

 ther seen this plant indigenous nor naturalizedj in the 

 United States. 2. morale. 3. album. 4. hybridnm. Com- 

 . mon around Philadelphia. 5. Botrys. Indigenous on the 

 banks of the Missouri and Mississippi. Common in Penn- 

 sylvania in gardens and wastes. 6, ainbrosioiiles. Much 

 more common arouad Philadelphia than the following. 

 7. anthelminticiLin. 8. *subspicatum. Stem herbaceous, 

 subquadrangular; lower leaves hastate-ovate, bidentale^ 

 acute, upper leaves sublanceolate; glomeruli appro.ximat-e, 

 sub.spicate, naked. Obs. Leaves and stem whitish and 

 somewhat furfuraceous; racemes glomerate, simple, ter- 

 minal; leaves with a single indention on either side, near 

 the base, which is cuneate. Hab. In saline soils around 

 the Mandan village, Missouri. 



Chiefly an European genus, occupying wastes and gar- 

 dens. Of the above species enumerated, as now common 

 in the United States, Nos. 5, 6, 7, and 8, only, are indi- 

 genous. 



285. SALSOLA. L. (Salt-wort.) 



Calix 5-parted, with a capsular base. Corolla 

 none. Stijle bifid. Seed 1, horizontal, cochle- 

 ate, covered by the connivent calix. (Fruiting 

 calix in many species surrounded by a membra- 

 naceous dorsal margin.) 



Stem shrubby or herbaceous; leaves alternate, very 

 rarely opposite, terete or flat, often succulent, sometimes 

 spinescent; flowers terminal or axillary, frequently tri- 

 bracteate. 



Species. 1. ^. Kali. Herbaceous, decumbent; leaves 

 subulate, canaliculate, spinose; calix marginated, axillarv. 

 ^. caroli7ua?iay leaves dilated, shorter, terete, nerveless, 

 spinose; stem smooth or pubescent: calix witli a bioader 

 margin. Obs. Stem diffusely decumbent; flowers tri- 

 bracteate, solitary, axillary; calix unequal, in fruit car- 

 tilaginous, orbicularly depressed and connivent, with 

 subulate points, segments unequal, 2 much smaller, sur- 

 rounded with a membranaceous alated dorsal margin, 

 reddish and elegantly veined. Seed cochleate, or resem- 

 bling a small univalve shell, covered with a membrana» 

 ceous episperm; perisperm none. Hab. On the strand 

 of Egg-Harbour, New Jersey. Certainly, according to 

 the suggestions of Mr. Pursh, a mere variety of S. Kali. 



2. saha. Ons. About a foot high, stem at first nearly 

 simple wid erect, with longish succulent linear unarni- 



