Impatiens.] xxx. balsaminace^e. 339 
on the Patani River {Gwynne-Vaughan), Perlis at Tebing Tinggi. 
Setul on rocks (Ridley). 
(10) I. Ridleyi Hook, fil. Rec. Bot. Surv. Ind. iv. 56; Kew 
Bulletin, 1909, p. 9. 
Small shrubby plant about 1 ft. tall branched. Leaves alternate 
ovate acuminate crenate narrowed to base, glabrous 2^25 to 2'5 in. 
long, i’25 in. across; petioles slender ’5 in. long. Peduncle 1*5 
in. long slender. Flowers 75 in. long white with brown spots in 
mouth, not patent. Sepals lateral ovate to orbicular cuspidate, 
spurred one funnel-shaped broad -5 in. long; spur curved - 2 in. long. 
Petals, standard oblong retuse cuspidate with a short fleshy keel 
at base; wings confluent bilobed, lower lobes ovate acuminate 
curved, upper oblong rounded at tip. Capsule small fusiform. 
Seed tubercled. Hab. Limestone rocks in damp spots. Selangor, 
Batu Caves (Ridley, Curtis). 
(11) I. cryptoneura Hook. fd. Kew Bulletin, 1909, p. 9. 
Shrubby plant branched, about 12 in. tall glabrous. Leaves 
alternate ovate-lanceolate acuminate serrulate, base acute; nerves 
4 or 5 pairs almost invisible ; petioles ‘5 in. long, *5 in. wide. Flowers 
small sub-globose. Sepals green broad ovate. Spurred one wide cup¬ 
shaped with short curved spur. Petals, standard obovate cuspidate, 
keel with short elevation at base, wings connate, basal lobes long 
curved lanceolate acuminate, upper ones shorter oblong. Hab. 
Limestone rocks. Perak at Ipoh (Curtis). 
(12) I. Scortechinii Hook. fil. Rec. Bot. Surv. Ind. iv. 56; 
Kew Bulletin, 1909, p. 11. 
Succulent herb 1 to 3 ft. tall and stem 1 to 1-5 in. through. 
Leaves alternate crowded at the tip ovate to oblong acuminate, 
base narrowed, serrate or serrulate, 2*5 to 7 in. long, 1*25 to 2*5 in. 
across; petioles 2 in. long. Pedicels solitary or 2 or 3 on a short 
peduncle -5 in. long or less. Flowers about 1 in. across, white 
with reddish yellow in the mouth. Sepals oblong-orbicular, spurred, 
funnel-shaped one large - 5 in. long; spur clubbed and curved shorter. 
Petals, standard obovate-oblong or cuneate, keel slightly thickened; 
wings connate, lower ones stipitate rounded, upper ones oblong 
rounded connate. Hab. Limestone rocks. Perak. Sungei Siput 
(Curtis); Gunong Malacca (Kunstler). Lenggong (Ridley). Perlis, 
Tebing Tinggi. 
j Excluded Species 
I. chinensis L., “ Malacca Griffith ” Hook. fil. F.B.I. l.c. 444. 
Some error. This plant has not been collected in the 
Peninsula. 
I. MACROSEPALA Hook. fd. Rec. Bot. Surv. Ind , ix. 56. “ Perak , 
Ipoh Curtis 3217.” An error of locality. The plant was 
collected at Kasum, outside our boundary. 
I. peltata Hook. fil. is also a native of the area outside our 
boundary. 
