Mimosa. polyandria monogynia. 563 



A native of Coromandcl. It flowers in July and Au- 

 gust. 



40. M. Siima. R. 



Arboreous, with remarkably white bark, twigs villous. 

 Prickles stipulary, broad based, straight. Leaves bipin- 

 nate ; pinn(B from ten to twenty pair ; leaflets fifty pair. 

 Spikes (from one to six) axillary, cylindric ; corollets po- 

 lyandrous. Bractes lanceolate. Legume linear, thin, from 

 six to eight-seeded. 



Acacia polycantha. Willd. 4. p. 1099. 



Sans. Shi/mee. 



Beng. Sai-kanta. 



A very common tree about Calcutta, and over Bengal, 

 and is remarkably conspicuous on account of its white 

 bark. Flowering time the rainy season. There is a laroe 

 concave gland above the base of the petiole, and two or 

 three between the last two or three pairs of pinnee. 



41. M. Catechu. Linn, suppl. 439. 



Arboreous. Bark dark brown, armed with most acute, 

 stipulary, recurved aculei. Leaves bipinnate ; y^m^tE from 

 ten to thirty pair; leaflets a.s far as fifty pair; pe^<o/e* arm- 

 ed. Spikes axillary, cylindric. Bractes from lanceolate 

 to triangular ; Corollets polyandrous. Legume brittle, li- 

 near, thin, from six to eight-seeded. 



Acacia Catechu. Willd. 4. p. 1079. 



42. M. Catechu. Medical observ. v. 5. p. 151. t. 4. 

 Beng. Khira. 



Khad<ra in Sanscrit and Kudhir the name of the ex- 

 tracts. • 



The last five species are nearly allied to each other, and 

 require no small degree of attention to point out their 

 difi'erences in a short definition. Probably they are equally 

 fit for yielding the extract now called Catechu. Flower- 



s s s 2 



