410 FLORA OF MADRAS. [Humboldtia. 



72. Humboldtia, Vahl. 



Trees. Leaves abruptly pinnate; leaflets 1 to 6 pairs, large, 

 with prominent nerves connected by intramarginal loops; stipules 

 persistent, usually leafy, of two parts the erect stipules proper 

 and a basal usually recurved appendage ; stipels 0. Flowers in 

 racemes, axillary to the upper leaves or on the branches or the 

 stem ; bracts ovate or oblong ; bracteoles large, coloured, per- 

 sistent. Calyx-tube turbinate or narrow, lined by the disk ; 

 lobes 4, subequal, coloured, imbricate. Petals 5 or 3, spathulate, 

 clawed, exsert. Stamens 5 perfect alternating with 5 minute 

 staminodes ; filaments filiform ; anthers oblong, versatile, dehiscing 

 longitudinally. Ovary stipitate, the stalk adnate to the disk, few- 

 ovuled; style long, filiform; stigma capitate. Pod oblong, oblique 

 or falcate, compressed, dehiscent, coriaceous. Seeds transverse, 

 compressed, albumen 0. 



Leaflets 1 pair, subsessile, lanceolate, acuminate, with a broad gland 

 at base, 5-6 in. long, 1-2 in. broad ; stipules lanceolate, the appendages 



absent; racemes very short, on old wood 1. unijuga. 



Leaflets 2 pairs, subsessile, obovate-oblong, obtusely cuspidate, 4-7 in. 

 long, T5-2 in. broad ; stipules lanceolate, the appendages broadly 

 reniform; racemes peduncled, about 6 in. long, axillary ; branchlets 



sometimes swollen 2. Brunonis. 



Leaflets 3 or more pairs : 



E-hachis of leaves terete ; leaflets reticulate : 



Internodes of the branchlets swollen and hollow ; leaflets 3-5 

 pairs, elliptic-ovate, cuspidate, subcoriaceous, 3-4 in. long, 1-2 in. 

 broad ; stipules ovate, the appendages acuminate at ends ; racemes 



about 3 in. long, axillary, erect 3. laurifolia. 



Internodes not swollen; leaflets 3-4 pairs, oblong-lanceolate, 

 acuminate, coriaceous, 5-10 in. long, rS-2'5 in. broad; stipule.s 

 ovate, the appendages reniform; racemes peduncled, 5-6 in. long, 



tawny-velvety, axillary 4. Vahliana. 



R-hachis of leaves flattened ; leaflets 3-4 pairs, lanceolate, acuminate, 

 chartaceons ; 3-4 in. long, 1-1*5 in. broad ; stipules ovate, the 

 appendages small, falcate; racemes short, tawny-velvety, corymbose, 



in fascicles on the stems : 5. Bourdilloni. 



Rhachis of leaves winged, the wings obcordate : leaflets 4-6 pairs, 

 oblong-lanceolate, long-acuminate, subcoriaceous, 6-15 in. long, 

 1-5-5 in. broad ; stipules lanceolate falcate, the appendages ovate 

 or reniform ; racemes short, axillary or from old wood, corymbose, 

 tawny-velvety .....6. decurrenx. 



