DIADEIPHIA. DECANDRIA. 



91 



Lurope affords but 6, South and tropical America as far 

 as Buenos Ayres 24, Barbary and the Levant 4, Siberia 

 A Guinea 2, the Cape of Good Hope produces 24, many 

 ot ihem ornamental shrubs, India and China 13, 1 in 

 Japan, 1 in Arabia Felix, and several others of uncertain 

 Jocahty. Several distinct genera appear to be confounded 

 in Polugulay which ought to claim the attention of Bota- 

 nists. 



IV.— DECANDRIA. 



t Stamina all connected, (or mmadelphous,) 

 490. AMORPHA. X. 



Calix subcampanulate, S-cIeft. Vexillum of 

 the corolla ovate, concave. Wings (or lateral 

 petals) and carina none. Legume small, i or 

 2-seede(J, curved at the point. 



Suffruticose or shrubby plants; leaves pinnate, glandu- 

 lar; stipules setaceous, minute, both general and partial 

 distinct from the leaves and leaflets; flowers numerous 

 and small, spiked, usually blue, spikes sc-litarv, aggregated 

 and terminal; legume glanduious; style pubescent, stie:ma 

 smooth. *^ 



Species. 1. A. fnitlcosa. Onlv one of the calicine den- 

 tures acuminated. 2. * 7ia?ia T.'N. in. Fras. Catal. 1813. 

 Shrubby, very low, and nearly smooth; leaflets subovate -el- 

 liptic, mucronulate and smooth; spikes solitary and aggre- 

 gated; flowers pedicellate; dentures of the calix all seta- 

 ceously acuminate; legume 1-seeded. .i. microphylla. 

 Ph. 2. p. 466. Hab. On the woodless and grassy hills 

 of the Missouri, from the river Platte to the Mountains, 

 growing only from 6 inches to a foot high. Flowers pur- 

 plish blue and fragrant, coming out in l:he month of May. 

 This very humble plant, often diffused, hke Heath in Eu- 

 rope, over hundreds of acres in succession, is the only up- 

 land shrub apparently capable of withstanding the pecu- 

 liarities of this climate. 3. herbacea.\Ysi\iev. Low and 

 herbaceous, pubescent; leaflets oblong-elliptic, glandular- 

 ly mucronulate; spikes very long, often solitary; dentures 

 of the calix unequal, short and acute. ^. pubescens. WIM. 

 Ph. a name unnecessarily altered, as there are 2 other 

 species more or less pubescent. A. pumila. Mich. Hab. 

 Ill open Pi»e forests from North Carolina to Florida. Spike 



