222 FLORA OF TEXAS. 



DALEA, L. 



Calyx 5-cleft; corolla impert't-ctly papilionaceous; pet- 

 als clawed, four of them united Avith the tube of stamens 

 below the middle, the fifth (vexillum) free, cordate, and 

 inserted into the bottom of the calyx ; stamens 10, unit<.^d 

 into a cleft tube; legume 1-seeded, membranaceous, in- 

 dehiscent, included in the calyx. — Mostly glandular lieris, 

 with spiked or capitate flowers. 



D. ALOPECL'ROIDES, Willd. Stem smooth, erect ; leaves 

 pinnate, with numerous linear-oblong leaflets ; spikes dense, 

 cylindrical, silky-villous; corolla small, pale violet, the 

 standard white. Stem l°-2° high. 



D. LAXIFLORA, Pursh. Stera with numerous slender 

 somewhat spreading branches, 3°-4° high; leaflets 2"-^" 

 long, and ^"wide, strongly dotted; racemes 2'-3' long; 

 bracts almost orbicular, glandular, slightly cuspidate; 

 calyx deeply cleft, beautifully plumose : corolla white, 

 keel twice as long as the wings ; vexillum cordate, very 

 small, sometimes with 4 approximated glands near the 

 middle ; segments of the calyx remotely denticulate. Pe- 

 rennial. — Drummond. 



D. AUREA. Stem 2° high; leaves remote; leaflets ^"-6" 

 long, when young almost villous beneath, nearly glabrous 

 above, very sparingly dotted; spikes 1-2' long, very 

 thick; calyx deeiilj cleft ; corolla yellow; vexillum small, 

 shorter than the oblong wings and keel-plates. — Drummoiid, 



AMORPHA, L. 



Calyx ohcomodil, 5-toothed, persistent ; vexillum straight, 

 concave; icings and keel none; ^/wwe^zs monodelphous, 

 at the base exserted ; legume 1-2-seeded, oblong, curved, 

 glandular, roughened, indehiscent or nearly so. — Shrubs, 

 with unequally pinnate leaves and numerous leaflets which 



