o^r^ 



DECANDRIA MONOGYNIA, 



Leaves in manj pairs, the upper are {generally in 9 paih 

 gland^ near the middle of the petiole, sessile. Corolla smaller 



that of the C. champecrista. yellow. 

 Grows in dry cultivated laud. 

 Flowers June — August* 



Legumes curved. 



Mich. 



The 

 than 



8. NiCTITANS. 



C. pubescens ; folir 

 multijugis, lineaiibus ; pe 

 duFiculis fasciculatis. nau 



Pubescent : leaves h 



nmnv 



V 



parrs. 



linear ,• pe- 



duncles 



ed 



few 



cifloris, supra axillaiibus: I flowered 



floribus pentandri 

 minibus ^qualibus 



sta- 

 E. 



flowers pentandr 

 mens equal. 



Sp. pj. 2. p. 529. Walt. p. 135. Mich. I. p. 2G-2. Pursh, 1. p. SOf. 

 Annual- Stem 1—2 feet hip-h, erect and procumbent, becoming' 



labrous when old 

 16 



branches expanding. Leaves in many pnu'S 



Gland below tlie lowest 



at the summit, 

 tlie axils. P^- 



-20), mucronate, gibbous at base, 

 pair of leaves, turbinate, rather large, truncate 

 Peduncles generally 3 flowered, sometimes very near 

 Ms unequal, yellow, the exteiiur one much iars;er than the others. 

 Filaments short. Jlnthers purple. Legumes oblong, compressed, vil- 

 lous. 



Grows in great profusion in old dry pastures, 

 sandy soils. 



Common in 



all 



Flowers August 



October* 



J 



9. As PER A. Mubl. Cat 

 C. strigosa, aspera ; fo- 



liis multijugis, lineari-lan- 

 ceolaiis, ciliatis ; pedun- 



Shigose, rougb ; leaves 

 in many pairs, linear lan- 

 ceolate, ciliate ; pedun- 



culis paucifloris, supra I cles few flowered, above 

 axillaribus ; floribus 7--9- | the axils ; flowers witli 



7—9 stamens, 3 longer 



andris 



staminibus tri- 



bus longiorihus. 



E. 



tha[i the rest. 



Annual. Stem 1--S feet high, hispia and roiis-h ; branches gene- 

 rally erect Leaves ,n many pairs (24) ; leaflets fringed, particular- 

 ly on one margiti. Gland below the lowest pair of leaves, turbinate, 

 concave at the summit. Peduncles -enerally 3 flowered. Stamens ir- 

 regular, 3 always longer than " " ■ -^ - - - 

 ly 6) unequal. JJnthers une 



«ide8 and around the moutlij \\ 



