FLORA OF MADKAS. 



Subfamily II. CAESALPINIOIDEAE. 



Trees or shrubs sometimes climbing, rarely herbs. Leaves 

 pinnate or bipinnate, usually with many leaflets, sometimes 

 reduced to 1 pair and these sometimes again more or less connate ; 

 stipels none or rarely minute. Flowers zygomorphic, rarely 

 regular, hermaphrodite, various in size and colour, usually 

 racemose, the racemes axillary, lateral or panicled at the ends of 

 the branchlets. Calyx enclosing the disk; lobes usually 5 or 4 

 from union of the upper pair, separate to the margin of the short 

 or elongated disk, or very rarely gamosepalous, imbricate, rarely 

 valvate. Petals usually 5. rarely fewer or 0. the upper innermost 

 in bud, the others imbricate. St'i-mens 10 or fewer by abortion, 

 rarely numerous ; filaments usually free. Ocary free or on a 

 stalk which is more or less adiiate to the disk. Pod dehiscent 

 or indehiscent, often septate. Szcds various, albuminous or 

 exalbuminous. 



Tribe IX. EUCAESALPINIEAE. Leaves all bipinnate or rarely 

 simply pinnate ; sepals free to the disk : anthers versatile : 

 Flowers in racemes or panicles : 

 Sepals imbricate : 



Pod not Avinged or rarely slightly winged; leaflets rather 



small . . . 60. Caesalpinia. 



Pod broadly winged along the upper suture ; leaflets large 



61. Mezoneurum. 

 Pod produced in a wing at the apex ; leaflets small 



62. Pterolobium. 

 Sepals valvate or subvalvate: 



Pod thin, flat ; leaf rhachis long with many pinnae and leaflets ; 



flowers large 63. Delonix. 



Pod turgid, moiiiliform; leaf rhachis very short with 2-6 pinnae 



with many minute leaflets; flowers small 64. Parkinsonia. 



Flowers in elongate racemes : 



Stamens 10 ; prickly climber with small leaflets and turgid sub- 



torulose pod 65. Wagatea. 



Stamens 5 ; unarmed lofty tree with large leaflets and flat-winged 

 pcd 66. Acrocarpus. 



DD 



