Sciaphila.] CLin. triuride^e. 3^5 
oblong. Male flowers star-shaped. Sepals and petals lanceolate 
acuminate. Stamens 2 or 3. No pistillodes Female flowers; 
pistils glandular globose. Carpels sub-globose. Hab. Dense forests, 
usually at about 4000 ft. altitude. Malacca, Bukit Bruang. 
Pahang, Gunong Tahan. Kedah Peak (Ridley) ; Distnb. Borneo. 
(3) S. asterias Ridl. Journ. F.M.S. Mus. vi. 188. 
Stems slender 10 to 11 in. tall. Leaves lanceolate acuminate, 
not sheathing. Bracts shorter than pedicels which are -12 in. 
long. Perianth -25 in. across. Sepals and petals linear subulate 
from a broader base. Male flowers; anthers 3, sessile orbicular 
or oblong; no pistillodes. Female flowers smaller; carpels oblong 
clavate papillose. Hab. Dense forests in mountains. Pahang, 
Gunong Tahan, Wray's Camp at 3300 ft. altitude (Ridley). 
Order CLIV. NAIADACEtE. 
Aquatic submerged fresh-water or marine herbs with slender 
stems and linear leaves sheathing at base. Flowers unisexual, 
axillary, very small, green with a very small hyaline perianth or 0. 
Fruit sessile. Stamen 1. Carpel 1. 
1. NAIAS, Linn. 
Fresh or brackish water herbs, branched. Leaves opposite, 
alternate or whorled, entire or toothed. Flowers axillary uni¬ 
sexual Male with a tubular or inflated entire 2- to 4-toothed 
utricle and an inner one. Stamen 1. Female flower perianth o 
or adnate to carpel. Carpel 1, sessile i-ovuled. Stigmas 2 to 4. 
Achene oblong. Species about 10, whole world. 
Male and female flowers without a spathe . 
Male and female flowers with a spathe. 
Anther 1-locular; leaf-sheaths truncate rounded 
Anther 4-locular; leaf sheath broad, edges over¬ 
lapping . 
(1) N. graminea 
(2) N. minor 
(3) N. Kingii 
(1) N. graminea Delile, Descr. Egypt. Hist. Nat. 11. 282, t. 60, 
Fig 3' Hook. fit. F.B.I. vi. 569; Rendle, Trans. Linn. Soc v 424, 
PI xlii Figs 192-201; Ridl. Mat. ii. 128. N. semmuda Griff. 
NotulcB, hi. 184; Ic. PI. As. t. 251, Fig 2, t. 253, 254. 
Stems 8 to 9 in. long or more. Leaves ternate acuminate 
toothed, -5 in. long; sheaths truncate, toothed, basal auricles 
toothed. Flowers solitary or few together. Males shortly pedi- 
celled, nude; perianth bilobed above. Females 2 to 4 together; 
achenes elliptic beaked, with longitudinal areolae Hab. Ditches 
and ponds Pahang at Pekan. Province Wellesley, Permatang 
Bertam; Prai (Burkill). Distrib. Europe, Africa, Asia and 
Australia. 
