280 



(3) S. OBTUSIPOLIA. fZinn.J 



Ident. Spreng. 1. c. p. 633.— Eoxb. 1. c. p. 646. 



Engrtw. Eheede Mai. xi. t. 45. 



Spec. Chab. Leaves radical, long petioled, ovate-sagittate, 

 basilar lobes . divaricate, finely pointed : scapes erect, 5 — 6-angled, 

 striated, brancbed and vertieUled at tbe top : flowers numerous, 

 small, wbite. 



Coromandel. Concans. Guzaiat. Plowering in tbe rainy and 

 cold season. 



(4) S. TEIANDKA. (Bait.) 



Ident. DalzellBomb. flora, p. 249. — Hook Joum. Bot. II. 144. 



Spec. Chab. Leaves long petioled, linear-spathulate, 3-nerved, 

 mucb longer than tbe scape, obtusely keeled at tbe back : scape 

 'erect, simple, round, obtusely trigonal at tbe apex : flowers tri- 

 androus, verticilled, sbort pedicelled, inconspicuous : female flowers 

 on tbe lower part of tbe spike. 



Malwan district, flowering in August. 



ORDER CLX. FLUVIALES. 



Flowers naked, males and females in tli6 same or in distinct 

 plants, the one reduced to a simple pistil, the others to a soli- 

 tary stamen, sometimes heaped together by fours, eights or 

 tens, and bearing pseudo-hermaphrodite flowers : stamen some- 

 times enclosed in a cup-shaped spathe, very rarely surrounded 

 by a bract : anther sessile or supported by, a filament, 1 — 



2 or 4-celled : ovary sessile, rarely stalked, 1-ovuled : ovule 

 erect, descending or pendulous: style 1 or none: stigmas 1 — 



3 : fruit more or less juiceless, sometimes sub-drupaceous, 1- 

 seeded, indehiscent : seed erect orsuspended : embryo exalbu- 

 minous, furnished with a lateral cleft, thickened at the radicular 

 extremity, thinner by the cotyledon and there straight, unci- 

 nately om-ved or spirally bent inwards. — Aquatic herbs, sub- 

 mersed, seldom floating : leaves scattered, very rarely opposite 

 or in three's, usually narrow, stipulate : stipules connate among 

 themselves, or cohering into a sheath together with the 

 petiole : flowers axillary or terminal. Solitary, sub-glomerate 

 or spiked. 



