Senna. DECANDRIA MONOGYNIA. 345 
two inches long and three quarters of an inch broad. 
Seeds from six to eight, wedge-shaped, rugose, &c. as in 
Cassia senna. 
10. S. arborescens. R. 
Arboreous. Leaflets five or six pairs, oblong, with a 
pedicelled gland between each of the lower two or three 
pairs, Stipules falcate. Racemes axillary. Legumes linear, 
thin, pendulous, many-seeded. 
Cassia arborescens. Willd. 2. 520. 
C. glauca, Lamarck’s Encycl. 1. 647, 
- Wellia tagera. Rheed. Mal. 6. t.9. and 10, 
Itis a native of various parts of India, and in blossom 
in the Botanic garden at Calcutta most part of the year, 
Trunk rarely straight and in length and size very vari- 
ous. Branches numerous, spreading in every direction. 
Bark of the trank, and larger branches of a brownish ash 
colour, and tolerably smooth; that of the youngshoots 
smooth and green. Leaves scattered, pinnate, from six to 
teninches long. Leaflets from four to six pair, elliptic ; the 
_ inferior pairs smallest, and broader in proportion to their 
length ; smooth on both sides, and of a pale green colour, 
the superior pair about three inches long, and about one 
and a quarter broad, Petioles round, smooth, havi ng a pedi- 
celled, brown, round gland between each of the lowertwo 
or three pairs of leaflets. Stipules falcate, incurved. Ra- 
cemes axillary, solitary, about half the length of the leaves 
erect, bearing near the apex, many, large, pale yellow, 
long-pedicelled flowers. Bractes solitary, one-flowered, 
elliptic, revolute, caducous. Calyx, leaflets very unequal, 
pale yellow, smooth. Petals nearly equal, expanding. 
Anthers all fertile, and nearly equal, though the inferior 
two have much longer filaments than the other eight. 
Legumes linear, thin, contracted between the seeds, 
Smooth, pendulous, from six to eight inches lon and oe 
about three quarters of an inch broad, 
Rr 
