MONANDHIA. DIGYNIA. 



Flowers axillary, solitarj', sessile, commencing near the 

 summit of the branches, upper flowers monandrous, lower 

 ones, sometimes with 2, 3, 4 or 5 stamens! 



Species. \. C. Hyssopifoliiim. * ^ Americanum,s\n\s.es2Cp' 

 liroximating-, axillary and terminal, squarrose; leaves linear, 

 narrow, and nervose, with a subulate mucronulate point. 



On tiie sandy alluvions of the Missouri; apparently 

 propagated down the river Platte, as it ceases to be found 

 above the confluence of that river. ©. July v. r. 



Obs. The spontaneous plant, generally smooth, under 

 culture somewhat tomentose, the pubescence, through a 

 lens, stipitate, multifid; stem striate, herbaceous, caly- 

 cine squamae rhomboid-ovate, acuminate, gradually shorter; 

 hypogynous scales chaflTy, minute, eroded. 



BLITUM. i. (Strawberry-spinage.) 



Calix 3-parted. Corolla 0. Seed 1, covered by 

 the calix, which enlarges and generally becomes 

 a berry. 



Flowers and berries in capitate clusters; the capituli 

 resembling strawberries, and are both terminal and axil- 

 lary. 



Species. 1. B. capitatum. A doubtful native. 2* Cheno' 

 podioides? Leaves almost hastate-triangular, somewhat 

 dentate, at either end attenuate; glomeruli all axillary, 

 leafy; seeds distinct, punctate, not berried. 



IIab On arid soils near tlie banks of the Missouri. 0. 



Obs. Stem erect, virgate; seeds naked, imbricated, sur- 

 rounded by a few linear leaves longer tlian the seed; 

 proper calix, api^arently none, style 1, deeply bifid. Seed 

 coated, covered with Impressed punctures, oboval, slightly 

 margined, beneath the outer envelope dark brown, a little 

 rugose, emarginate below. Covciilum curved round the 

 perisperm, parallel with the margin of the seed; perisperm 

 partly fminaceous and partly corneous'* 



