366 
A tall erect glabrous and branched herb 1-1'2 m. high. Stem 
terete, only slightly swollen at the light green nodes. Leaves 
ovate-lanceolate, crenate, 10-13 cm. long exclusive of petiole 
which is 5 em. in length. Petiole with two small stipular glands 
at base. Racemes simple, springing from axils of the leaves, 
10-15 cm. long, the pedicels 2 cm. in length. Bracts caducous, 
small, ovate-lanceolate, with apiculate tip, green in colour. Bud, 
excluding spur, ovoid in shape. Flower 3-5 em. in length. 
Lateral sepals 2, uncinate, long awned, light green in colour. 
Lip with long spiral or corkscrew spur, spotted with crimson ; the 
upper margin of the mouth of the lip has a peculiar light green 
orn. Standard yellow-orange in colour, slightly spurred. 
Wings with two narrow lobes slightly spotted with crimson, the 
terminal lobe having no dilatation or depression on its margin. 
The distinctive points of this plant are: (1) the orange yellow 
colour with crimson spots, (2) the corkscrew shape of the spur, 
(3) the erect green horn on the upper margin of the mouth of 
the lip, (4) the uncinate awned sepals. : 
The mouth of the flower is closed by the convergent wings. It 
is visited by the bees, which often settle.on the lip and prick the 
spur from the outside to rob the honey. 
49a. I. kachinensis, Hook. f. MS.; Kachin Hills, Sumprang 
at 420 m.; Bum Kan at 470 m.; Kumtat at 480 m. in the shingle 
bed of streams which during the rains must be many feet under 
water. 
(See page 366.) 
A semi-erect plant. Stem red. Stipular glands red. Flower 
entirely light orange-yellow. Mouth closed by wings. Wings 
ong, contorted, and with no auricular lobes. Capsules linear, 
the seeds being in the upper portion only. Seeds gibbous, aver- 
age number in 16 capsules examined was 12°5 (7-17 
This species is visited at day by butterflies and bees. Auricular 
Hook. f., and J. drepanophora, Hook. f., and many more, and the 
insect in actually forcing its way into the mouth is driver 
against the anthers. 
EXTRACTS FROM LETTERS FROM Sir J. D. Hooxer TO 
Major Topprn UPON THE SUBJECT OF HIS IMPATIENS COLLECTIONS- 
The Camp, 
near Sunningdale, 
. August 3, 1910. 
My Dear Sir, 4 ‘ 
You are no doubt aware that Mrs. Toppin has submitted to 
my inspection the 5 species of Balsam collected ou in the 
N.W. Himalaya. _To my great surprise I at once recognised 4 
of those collected in Chitral, to be totally different from any of 
the upwards of 100 Himalayan kinds known to me. hen to 
this is added the remarkable fact that these most distinct plants 
are confined to the extreme western limit of the genus in the 
4 
