198 PENTANDlBIA. DIGTSiA* 



Nearly allied to X /)orm/acofJes. Hab. On the denr; 

 dated saline hills of the Missouri; commencing about 15 

 miles below the confluence of White river, and continu- 

 ing to the mountains. Flowering in May. 



2. horteiisis. 3. patula. Both of these introduced, now 

 naturalized. 4. laciniata. 



5. * argentea. Stem herbaceous, erect; leaves deltoid, 

 subcordate, somewiiat obtuse, entire, on both sides ca- 

 nescently furfufaceous and shining; fruit subpedunculate, 

 oval, compressed, and obtuse, margin acutely toothed. 

 Obs. About a foot high and considerably branched. 

 Leaves a little attenuated on the petiole, uppermost sub- 

 sessile. Fruit axillary, nearly naked on the back. Allied 

 to A sibirica? Hab. On sterile and saline places near the 

 JMissouri. O 



6. * arenaria- Stem herbaceous, spreading; leaves very 

 entire, oblong-ovate, subsessile, on the under side argen- 

 teous, upper ones acute or acuminate; flowers axillary, 

 glomerate; fruiting calixmuricate, dentate, retuse. — Obs. 

 Stem reddish, angular, about a foot high, much branched 

 and spreading, annual. Lowermost leaves ofien cuneate- 

 oval and very obtuse; uppermost ovale-lanceolate, acutely 

 acuminate, wiiitish and furfuraceous on both sides, but 

 jnore particularly on the under; about 10 or 12 lines long, 

 and 5 wide. IMale flowers mostly running out into a short 

 glomerate spike at the ends of the branches; female 

 flowers crowded, axillary. Fruiting calix cuneate, or 

 retuse, with a 3 or 4-toothed double margin, disk, or back 

 of the fruit, on either side furnished with 2 short dentated 

 crests or angles not more than half its length. Hab. On 

 the sandy sea-coast of New Jei-sey. Flowering in August. 

 This plant has long been known to my friend Z. Collins, 

 Esq. as a distinct species. 



Chiefly an European genus, the above excepted, with 

 1 species at the Cape of Good Hope, 1 in Barbary, 1 in 

 Siberia, 2 in Tartary, from whence A. horteiisis is said 

 to have originated, and 1 in Bengal. 



£84. CHENOPODIUM. X. (Goosefoot.) 



Calix 5-partcd, with 5 angles. Corolla none. 

 Style bifid, (rarely trifid.) Seed 1, lenticular, 

 liorizontal, covered by the closing calix. 



Leaves alternate, often angular in the outline. Flowers 

 glonierate, paniculate. 



