41, M1M0SACEJE. 



by 1" acute or obtuse and mncronate, somewhat hairy beneath e*p. on the 

 nerves. Peduncles 1-3-nate 2-3" long. Fls. distinctly podicelled with a 

 bract on the pedicel. Calyx \". Corolla-tube rather longer than the 

 calyx, lobes i' 1 and filaments pink. 



Fam. 42. CESALPINIACEJS. 



Trees, shrubs or herbs. L. sometimes sensitive 1-2-pin- 

 nate, or if (Bauhinia) simple then palmately-nerved, Fls. 

 large or small, zygomorphic, usually racemose. Calyx some- 

 times spathaceous, usually 5-morous and perigynous with a 

 long or short tube (hypanthium), sepals imbricate rarely 

 valvate. Petals 5, rarely fewer or 0, free, imbricate, pos- 

 terior innermost in bud. St. 10 or fewer by abortion, perigy- 

 nous. Ovary and fruit as in Mimosacese. 



I. L. simple, usually 2-lobed, basal-nerved . , 1. Bauhinia. 



II. L. once pinnate (Leaflets only 2 in Hardwickia). 



A. Calyx-tube short, disc sub-basal. 



Petals 2. Hardwickia. 



Petals 5 3. Cassia. 



B. Disc at the top of an elongated hypanthium 



(calyx-tube). 



Petals 0. Calyx petaloid scarlet . • .4. Baraca. 



Petals 3 perfect, Flowers not showy . . 5. Tamarindus. 



III. L. 1-2 pinnate on the same tree. Trunk with 



branched thorns ...... 6. Gleditschia. 



I /. L. 2-pinnate. (Eacbis muoh reduced in Parkin- 

 sonia) 



A. Calyx-lobes imbricate, the Iowobig cucullate. 



Erect trees or shrubs or prickly climbers. 

 Fls. braoteate. at least in bud. Pod wingless 7. Ccesalpinia, 



Prickly climber. Fls. ebracteate, calyx very 

 oblique. Pod winged. . , , . , 8. Mezoneuron. 



B. Calyx lobes valvate. 



A tree, not prickly. Fls. showy '. . .9. Poinciana. 

 small tree, main rachis abbreviated, prickly 10. Parkinsonia. 



294 



