458 



XXIII. LEGUMINOSAE 



Measurements of 100 trees by Mr. Beadon Bryant in the Kumaim sub- 

 Himalayan tract gave the following results : ^ 



Girth. 



Over 4 ft. 6 in. 

 3 ft. -4 ft. 6 ill. 

 1 ft. 6 in. -3 ft. 

 1 ft.-l ft. 6 in. 



Periodical measurements of 117 trees in three unthinned sample plots in 

 the Palamau district of Bihar and Orissa gave the following results : ^ 



Acacia Catechu : girth increment in unthinned sample plots, Palamau, Bihar 



and Orissa. 



Mr. W. R. Fisher ^ records very rapid growth in a plantation at Kuch 

 Behar where the seed was sown in 1873 and 1874 : measurements made in 

 1881, the plantation being then seven to eight years old, showed an average 

 and maximum girth of 1 ft. 6 in. and 2 ft. 1 in. respectively. 



Measurements recorded by Mr. J. Nisbet ^ from the dry, intermediate, 

 and moist zones in Upper Burma showed rapid growth, particularly in the 

 moist zone. The following is a summary : 



Acacia Catechu : girth measurements, Upper Burma. 



District. 



Yamethin and Meiktila 



Yamethin and Meiktila 



Yamethin (Pjdnmana sub- 

 division) and Minbu 



Character of forest. 



Dry zone : dry open forest and 



scrub jungle 

 Intermediate zone : mixed forest 



and scrub jungle 

 Moist zone : mixed and savannah 



forest 



Number of 

 measure- 

 ments. 



8 



3 



10 



Mean annual 



girth 



increment. 



in. 



2-2 



2-2 



3-54 



Ring-countings which I carried out in 1902 in the Meiktila district of 

 Upper Burma on twenty stumps in pure riverain cutch forest on sandy soil 

 gave the following results : 



Acacia Catechu : girth increment, riverain forest, Meiktila district, 



Upper Burma. 



1 Working Plan for the Kumaun Forest Division, 1893. 



2 Ind. For. Records, vol. vi, pt. v. 

 * Ibid.. xix(l893), p. 11. 



3 Ind. Forester, vii (1881), p. 41. 



