XXIX. OXALIDACEiE. 
335 
Dapania .] 
lanceolate acuminate; anthers ovate. Fruit *3 in. long, *4 in. 
across after dehiscing. Hab. Dense jungle. Perak, Ulu Bubong 
(Kunstler); Waterloo (Curtis); Tapa; Batang Padang (Wray). 
Distrtb. Sumatra. 
Order XXX. BALSAMINACEyE. 
Herbs usually succulent. Leaves opposite or alternate. Flowers 
few on axillary or terminal racemes rarely branched. Sepals 3, 
2 small, 1 at back petaloid spurred. Petals 3 or 5, outer large, 
lateral bilobed. Stamens 5; anthers cohering. Ovary oblong 
5-celled. Stigma sessile 5-toothed; ovules many. Capsule fleshy 
loculicidal, valves 5 elastically springing away from the axis or 
a drupe. Seeds smooth or tubercled. Species 600 or more, tropics 
of Asia and Africa and North Temperate region. 
Lateral sepals connate in pairs; fruit explosive . 1. Impatiens 
Lateral sepals free; fruit drupaceous . . . .2. Hydrocera 
1 . IMPATIENS, L. 
Succulent herbs. Leaves opposite or whorled or alternate. 
Flowers axillary or terminal 1 rarely more flowered; peduncles 
irregular resupinate, blue, white, pink, or yellow. Sepals 3, 
rarely 5, imbricate, 2 minute or o, 2 lateral small green, 1 posterior 
large petaloid spurred. Petals 3 (or 5) anterior large (standard), 
lateral 2-lobed (wings). Stamens 5; filaments short thick; anthers 
cohering. Ovary oblong 5-celled; ovules many. Stigma sessile 
5-fid. Capsule green pulpy loculicidally dehiscing elastically into 
5 valves. Seeds numerous. Species about 600, whole world. 
Leaves opposite or whorled; flowers pink; spurred 
sepal not funnel-shaped; spur long. 
Plant more or less hairy. 
Leaves narrow linear-lanceolate, lower ones 
sessile ....... 
Leaves lanceolate acuminate, all petiolate. 
Spur 1 in. long; leaves not glaucous beneath, 
standard orbicular or obovate 
Spur 1 in. long; leaves glaucous beneath, 
standard obovate retuse 
Spur 1'5 in. long; leaves lanceolate spinulose 
glaucous beneath ..... 
Plant glabrous. 
Leaves ovate acute ..... 
Leaves lanceolate ..... 
Leaves large serrate; flowers large yellow 
Leaves alternate, spurred sepal funnel-shaped with 
a short curved spur; flowers not spreading. 
Stem thick fleshy 2 to 5 ft. tall; flowers yellow . 
Stem fleshy smaller; flowers violet . 
(1) I. Griffithii 
(2) I. Wrayii 
(3) I. sarcantha 
(4) I. polycycla 
(,5) I. Curtisii 
( 6 ) I. exilipes 
(7) I. oncidioides 
(9) I. mirabilis 
(10) I. Vaughani 
