LEGUMINOS^E 



425 



Stem herbaceous, ultimately woody, erect, about 1 mm. thick ; 

 1st internode 1*5 cm. long ; 2nd and third shorter ; otherwise much 

 like the hypocotyl. 



Leaves compound, abruptly pinnate (1st 

 one entire), cauline, alternate, stipulate, 

 petiolate, alternately incurvinerved and re- 

 ticulate, pubescent in the young state, ulti- 

 mately glabrous ; leaflets oblong, entire, 

 shortly petiolulate, opposite ; stipules small, 

 subulate, acute, caducous. 



No. 1. Stipulate, petiolate, resembling 

 the seed-leaves but larger, 8-3-5 cm. long, 

 1-25-1-5 cm. broad, oblong-obovate, acute 

 at base, truncate and mucronate at apex, 

 entire, irregularly penninerved and reticu- 

 lately veined, with sunk midrib, flat, thin, 

 glabrous. 



No. 2. Abruptly pinnate, 8-5 cm. long, 

 2 cm. broad, with three pairs of subsessile, 

 linear-oblong, oblique, mucronate leaflets, 

 slightly pubescent beneath, '75-1-25 cm. 

 long and 2-5-5 mm. broad ; rachis ter- 

 minating in a long mucro, channelled, as 

 well as the petiole. 



Nos. 3 and 4. Similar, but with four pairs 

 of leaflets. 



Youngest leaves pubescent on the under side of blade and 

 petiole. 



Sesbania grandiflora, Poir. 



Hypocotyl erect, terete, glabrous, pale green, mottled with purple, 

 5'7 cm. long or shorter, 1-5-2 mm. thick. 



Cotyledons petiolate, oblong, obtuse, entire, falcate, thick, fleshy, 

 deep green, glabrous, 2-7 cm. long, 1/2 cm. broad; midrib sunk 

 above, prominent beneath ; petiole about 1 mm. long. 



Stem erect, terete, glabrous, pale green, mottled with purple ; 

 1st internode variable in length, 1-4 cm. long, 2 mm. thick ; 2nd 

 2-5 mm. long. 



Leaves cauline, alternate, stipulate, petiolate. 



No. 1. Simple, articulated at the base of the petiole and at the 

 base of the lamina ; petiole terete, channelled above, purplish, 8'5 

 mm. long ; lamina oblong-lanceolate, obtuse, mucronate, obscurely 

 penninerved with ascending nerves, glabrous and deep green above, 



Pm. 277. 



Sesbania tomentosa. 

 Half nat. size. 



