SS6 
USEFUL PLANTS OF THE DISTRICT OF LAKHIMPUR- 
Distrib. — Universally cultivated throughout India, ascending in the 
Himalayas to 6-7,000 ft. Said to be found wild. Cultivated also in the 
tropics of the Old World. 
A twiner whose curious coar-se pods are used as sag. The plant is common in cottage 
gardens. 
XXXV I. OXAL1DACEAE. 
93. OXalis Linn 
112, 0. c©niic*iMa Linn. F. B. I. i, 436 ; Eng. & Prantl iii, 4, 20 ; 
Beng. PI. 294 ; D. E. P. v, 658 ; Pharmacog. Ind. i, 246. 
Dibrugarh. No. 101. 
Local name — Tonga se tenga. 
Distrib. — C osmopolitan. In India common every where by road-sides 
and on cultivated ground. 
A common wood -sorrel with 3-t'oliate leaves and bright yellow flowers, very common by 
road-sides. It is eaten as a vegetable but some say that it purges. 
113. O. corymbosa DC. Prodr. i, 696 ; Bee. Bot. Surv. vi, 1, 8, & 
iig. ix. 
O. Mar liana Zucc. Denkschr. Akad. Muench. ix, 144. 
Dibrugarh. No. 102. 
Local name. — Tenga se tenga. 
Distiiib. — Native of Madagascar. Introduced into India and record- 
ed from Darjeeling and other temperate parts of India. 
This plant also called “ tenga so tenga ” is a larger species than O. cornicalaia Linn, and 
it has larger pink flowers. It is a curse in the European gardens throughout Upper Assam. 
The underground parts of the plant consists of numberless small tubers budding off a central 
tuberous mass. These young tubers fall into the soil as the plant is uprooted rendering its 
extermination impossible. The tubers are eaten by cottagers and have a pleasant flavour. 
XXXVII. L1NACEAE. 
94. Li nun) Linn. 
114.' L. nsitatissimum Linn. F. B. I. i, 410; Eng. & Prantl iii, 
4, 31 ; Beng. Pi. 289 ; D. E. P. v, 2 ; Pharmacog. Ind. i, 239. 
Dibrugarh. No. 50. 
Local name. — Alsi. u Linseed ” and Flax/* 
Distiiib. -Believed to be a native of the Mediterranean region. Cul- 
tivated in both eastern and western hemispheres. In India grown 
chiefly for its oil seeds. 
The flax plant. A slender herb with narrow leaves and pretty blue flowers. It is often 
grown along the borders of fields. Oil is expressed from the seeds. The flax of Europe which 
yields the linen fibre is another variety of this plant which has never been successfully 
cultivated in India. 
