LEGUMINOS^l 429 



No. 1. Trifoliolate ; lateral leaflets broadly oval, rounded at both 

 ends ; terminal leaflet broadly oblong-obovate, emarginate. 



No. 2. Sometimes trifoliolate, at other times five-foliolate. 



No. 3. Five- or seven-foliolate ; leaflets broadly oblong, obtuse, 

 sometimes minutely apiculate ; terminal one largest. 



No. 4. Seven-foliolate. 



No. 5. Nine-foliolate ; leaflets oblong, obtuse, subcordate at the 

 base ; terminal leaflets broadest above the middle. 



No. 6. Nine-foliolate. 



No. 7. Fifteen-foliolate ; leaflets oblong, obtuse, apiculate, sub- 

 cordate at the base ; those on the middle of the leaf largest. 



No. 8. Seventeen-foliolate. 



No. 9. Seventeen-foliolate. 



Ultimate leaves with twenty-one to twenty-nine or more leaflets, 

 which are oblong-lanceolate, minutely cuspidate, petiolulate, penni- 

 nerved with alternate ascending nerves, deep green and glabrous 

 above, glaucous and slightly pubescent with adpressed hairs be- 

 neath. 



Astragalus sulcatus, L. 



Primary root tapering, flexuose, reddish, giving off fleshy, colour- 

 less lateral rootlets, which soon become stouter than the primary 

 one. 



Hypocotyl wiry, terete, 2-6 mm. long. 



Cotyledons oblong, obtuse, fleshy, most frequently oblique or 

 falcate. 



Stem undeveloped. 



Leaves simple and compound, radical when described, alternate, 

 somewhat silky with long whitish hairs, especially when young. 



No. 1. Digitately trifoliolate ; leaflets oval the terminal one 

 largest and emarginate ; petiole subterete, channelled above, hairy ; 

 petiolules *5 mm. long ; stipules ovate or oblong, obtuse, hairy. 



No. 2. Most frequently with the terminal leaflet only. 



No. 3. Similar or digitately trifoliolate. 



Intermediate forms are pinnately three- to five-foliolate ; terminal 

 leaflet obovate or oblong, emarginate ; lateral leaflets obovate-oblong 

 or oval, emarginate. 



Ultimate leaves with many pairs of opposite (rarely alternate), 

 linear-lanceolate, obtuse, emarginate, shortly petiolulate leaflets, 

 glabrous, deep green ; stipules subulate, acute, thinly pubescent, 

 small. 



