XLIX. SAXIFRAGACE^E. 
687 
Polyosma .] 
nerves about 14 pairs elevate, secondary nerves as prominent, 
6 to 8 in. long, 2*5 to 3 in. wide; petioles *2 to 1 in. long, velvety. 
Racemes 8 in. long, velvety pubescent; pedicels -15 in. long with 
several acute bracts. Calyx-tube very short, obconic; lobes 
triangular, acute, longer, yellow-hairy. Petals white, linear- 
oblong, *3 in. long, puberulous outside, villous within. Stamens 
shorter, villous. Fruit conic, base broad, *3 in. long; apex acute 
4-ridged, '4 in. long; pedicels "2 in. long, all pubescent. Hab. 
Forests. Dindings, Bruas (Ridley). Perak, Goping and Larut 
(Kunstler). Penang Hill, Balik Pulau (Curtis). 
This is certainly not P. velutina Bl. of Koorders and Valeton Booms. PI. 
195, as the fruit is four times as big as in that plant. 
4 . ITEA, Linn. 
Shrubs or trees. Leaves simple, alternate, petioled, glabrous, 
dentate or crenate. Racemes axillary and terminal, long many- 
flowered. Calyx-tube adnate to ovary base, 5-lobed. Petals 5, 
oblong, white, valvate. Stamens 5 perigynous. Ovary 2-celled; 
ovules many aside 75 in., superior. Capsule conic, elongate, split¬ 
ting through the dissepiments and style. Seeds oblong, testa 
produced. Species 2, Indo-Malaya, N. America, Japan. 
(1) I. macrophylla Wall. Roxb. FI. Ind. ii. 419; Hook. fil. 
F.B.I. ii. 408. 
A medium-sized tree. Leaves ovate acuminate, base round 
edge, glandular-denticulate; nerves 4 pairs, elevate beneath, 
3-5 to 5 in. long, 2‘5 to 3 in. wide; petioles 75 to 1 in. long. 
Racemes 4 in. long, puberulous. Flowers ‘2 in. across. Calyx- 
tube gradually narrowed to base, in fruit campanulate, *2 in. long; 
fruit valves widely diverging *3 in. long. Hab. Rare. In woods 
on rocky stream banks, mountains. Pahang, Gunong Tahan at 
5000 ft. altitude by the Teku River (Ridley), Distnb. India, Java, 
Borneo. 
Order L. DROSERACE/E. 
Small insectivorous herbs, with leaves covered with glandular 
hairs. Flowers small, racemose, white, pink or violet. Calyx free 
from ovary 4- to 8-lobed. Petals 4 to 8 hypogynous. Stamens 
as many. ‘Ovary 1- to 3-celled; ovules parietal, numerous ; styles 
3 to 5. Capsule 2- to 5-valved. Seeds numerous. Species no, 
most temperate and tropical lands. 
1. DROSERA, Linn. 
The Sundews occur all over the world except Polynesia; most 
abundant in Australia. 
