THE BOTANY OF THE KACHIN HILLS NORTH-EAST OF MYITKYINA. 22g 
the drug grow the plant and prepare the opium in order to employ 
it as a medium of exchange,^ 
V.— CRUCIFER.^, 
11. Brassica juncea H, f, & 7 ', VAR. agrestis [Sinapts paien$ 
Roxb.) 
Myitkyina, a weed (C), Distrib. Bengal^ Assam, S. China. 
[One of the usual garden-plants among the Kachins is a 
mustard grown for the sake of its edible leaves. No specimens were 
brought, but from Lieutenant Pottinger’s description, it seems to be 
Brassica rugosa (Sinapis rugosa Roxb.), In the Nachawng Kha Valley 
the seeds of this plant are ground and mixed with the meal either of 
maize or millet and baked into an unleavened cake of a highly 
thirst-provoking and indigestible character.] 
VI.-CAPPARIDE^. 
12. Gynandropsis beptaphylla DC, 
Myitkyina (C). Distrib, All warm countries. 
13. Capparis sabiaefolia H,/, & T, 
Phal6, 1)300 to 3,300 feet (E). DiSFRlB. Khasia and Naga Hills; 
also Chin Hills. 
14. Capparis tenera Dalz, 
Namlao (E). Distrib. Assam, Arracan and Andamans, also 
South India; with distinct varieties in Ceylon and in Tenasserim, 
respectively, 
15. Roydsia parviflora Grif, 
Namlao to Bansparao, 500 to 2,000 feet (E); Noichang to Phald, 
1,300 to 200 feet (E); Myitkyina (C). DisTrib. Hukung Valley. 
This very distinct species is now reported for the first time since 
its original discovery by Dr. Griffith, during his Assam-Ava journey. 
The Perak plant referred to this species in Dr. King*s Materials 
for a Flora of the Malayan Peninsula^ is quite distinct from the 
Kachin and Hukung Valley one. 
16. Crataeva lophosperma ATwre. 
Myitkyina (C). DiSTRlB. Assam. 
VIOLARIE^. 
[Viola spp.-^Several different violets were met with while cross- 
ing the ranges between the head-waters of the La-khing Kha and Na- 
chawng Kha, during the time that no specimens could be collected.] 
