CXLIIT. ALISMACB.E. 835 



3. WISNERIA, Micheli. 



Seapigerous marsh herbs. Leaves radical, long-petiolate, narrowly 

 lanceolate. Flowers monoecious, in remote involucrate whorls on a 

 slender rhachis ; involucre campanulate, truncate, membranous. Sepals 

 3, equal or one longer, persistent. Petals 2-4, equalling or smaller 

 than the sepals. Male flowers : Stamens 3. Pistillodes subulate. 

 Female flowers : Staminodes 3, setaceous. Carpels 3-6, erect, ovoid ; 

 receptacle small, tumid ; ovule solitary, basal ; style or terminal ; 

 stigma minute. Achenes and seed subglobose or compressed ; testa thin ; 

 embryo horseshoe-shaped. — Disxrib. Asia, Africa, and Madagascar ; 

 species 3. 



1. "Wisneria triandra, Micheli, in DO. Monog. Phan. v. 3 (1881) 

 p, 82. A herb about 1 ft. high ; root fibrous. Leaves glabrous, long- 

 petiolate, longer than the scape, reaching with the petiole 9-15 in. long, 

 the blade less than | in. broad, narrowly linear-spathulate, obtusely 

 keeled on the back ; midrib stout, penninervuled, the lateral nerves 

 slender, submarginal ; petioles tei-ete, sheathing at the base, twice as 

 long as the leaf-blade. Scape erect, simple, terete, 5-6 in. high, 

 floriferous at the apex, obtusely 3-gonous. Whorls of flowers 6-8, of 

 which the 1-2 lower consist of females, the upper of males. Flowers 

 white, usually 3 in a whorl ; pedicels short, longer than the bracts ; 

 bracts connate, sheathing, obtuse. Sepals 3, linear-oblong. Petals 3, 

 shorter than the sepals. Male flowers : Stamens 3, opposite the 

 sepals ; anthers didymous ; filaments short. Female flowers : 

 Achenes few, subglobose or obovoid, smooth, Fl, B. I, v. 6, p. 562; 

 Woodr. in Journ. Bomb, Nat, v, 13 (1901) p, 429, Sagittaria triandra, 

 Dalz. in Kew Journ. Bot. v. 2 (1850) p. 144 ; Dalz. & Gibs. p. 249.— 

 Flowers : Aug. 



Konkan: Malwan, 2)rt/^ci?/!, Woodrow. — Distrib. ludia (W. Peninaula). 



4. BUTOMOPSIS, Kunth, 



An annual seapigerous marsh herb with milky juice. Leaves radical, 

 elliptic, acute. Flowers hermaphrodite, umbellate on a scape; whorls 

 sometimes superposed, bracteate. Sepals 3, herbaceous, persistent. 

 Petals 3, membranous, deciduous, white, larger ' than the sepals. 

 Stamens 8-12 (usually 9), hypogynous ; 6 outer in pairs opposite the 

 sepals, sometimes one of a pair obsolete ; 3 inner single, opposite the 

 petals, sometimes one or more replaced by a pair; filaments filiform; 

 anthers oblong. Carpels 6-9, whorled, on a flat receptacle, sessile, 

 shortly connate below, 1-celled ; ovules many, small, on reticulate 

 parietal placentas, ascending, anatropous ; style short. Fruit of 6-7 

 erect membranous follicles. Seeds numerous, minute, parietal, smooth ; 

 embryo conduplicate, horseshoe-shaped. — Distrib. Asia, Africa, Tropical 

 Australia ; species 2. 



1. Butomopsis lanceolata, Kunth, Enum. v. 3 (1841) p, 165. 

 Rhizome small, seudiiig out leaves above, fibrous roots below. Leaves 

 2-6 by f-2^ in,, elliptic-lanceolate, acute, membranous, quite entire, 

 attenuated into the petiole ; main nerves 5-7 ; petioles dilated at the 

 base, reaching 8 in. long. Scape usually longer than the leaves, stout, 



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