562 OLSVi. ALisMAOE^. (J. D. Hooker.) [Wisneria. 



W. tria,nAra,,. Micheli m A.BG. Monog. Phaii. iii. 82 ; sepals and petals 

 3 each, achene^ subglobose, stigma sessile. Sagittaria triandra, Balz. in 

 SooJc. Joum. Bot. ii. (1850), 144 ; Balz. & Gibs. Bomb. Fl. 249. 



The CoNCAN ; in water holes, Malwan, Stocks. 



Leaves with the petiole 9-16 in., narrowly linear-spathulate obtuse, J-J ii>- hroad, 

 midrib stout penui-nervuled, lateral nerves slender snbmarginal, Soofpe shorter 

 than the petiole. Flowers ternate, very shortly pedicelled, white ; sepals linear- 

 oblong ; petals much larger, obovate. Filaments short, anthers didymous. Achenes 

 few, subglobose or obovoid, smooth. 



5. BUTOiaVS, Unn. 



A glabrous erect water plant, with a stout creeping rootstock. Leaves 

 erect, linear, elongate, triquetrous, blade 0. Scape erect, terete. Flowers 

 bisexual, in simple braoteate umbels, pink. Sepals and petals both 

 coloured and persistent, coriaceous, erect. Stamens 9, hypogynous, fila- 

 ments elongate-subulate; anthers linear, didymous after dehiscence. 

 Ga/rpeU 6, whorled on a flat receptacle, connate below; stigma ventral 

 elongate furrowed ; ovules many, scattered, parietal, ascending. Fruit of 

 6 coriaceous beaked many-seeded follicles. Seeds linear-oblong, furrowed; 

 embryo straight. 



B. umbellatus, Linn. ; Kunth Ennm. iii. 164 ; Beiehb. le. Fl. Germ. 

 vii. t. 58; Boiss. Fl. Orient, v. 12; Wall. Oat. 7244. 



The Panjab and Kashmie ; in marshes, &c., alt. 1-5000 ft. — Disteib. Europe ; 

 N. Asia. 



Leases 3-4 ft. by ^ in. broad, acuminate, base sheathing. Umbel many-fld., 

 bracts 3 j pedicels 2-4 in. Flowers 1 in. diam. 



6. BUTOI«IOPSIS, KuntL 



An annual marsh herb with milky juice. Leaves elliptic, acute. Flowers 

 in solitary or superposed bracteate whorls ; perianth as in ButowMs, but 

 petals larger than the sepals, membranous, fugacious, white. Stamen 

 8-12; anthers oblong. Follicles, 6-7, erect; membranous. Seeds very 

 many, minute, smooth. 



B. lanceolata, Kunth Enum. iii. 165 ; Balz. & Gibs. Bomb. Fl. 249 ; 

 Benth. Fl. Austral, vii. 187 ; Micheli in A.BC. Monog. Phan. iii. 87. 

 B. ? latifolia, Kunth I. c. Butomus lanceolatus, Boxb. Fl. Ind. ii. 315 ; 

 Wall. Oaf. 4999. B. latifolius, Bon Brodr. 22. B. Dobia, Ham. in Wall. 

 I. a. Tasganocharis cordofana, Mochst. in Flora (1841), 369. 



Plains ob India, from Rohilkund to Assam and the Deccan.— Distbib. tropics 

 of the old world. 



Very variable in stature and stoutness. Leaves 2-6 in., broad or narrow, 3-7- 

 nerved, acute obtuse or apieulate. Scape as long as the leaves, stout or slender. 

 Umbels 3-20-fld.; bracts few, short, scarious; pedicels 2-8 in., erect. Flowers 

 |-1 in. diam.; sepals ovate or orbicular; petals longer, obovate. Stamens 8-10, 

 filaments rather slender, anthers oblong. Follicles 6-7, tapering into short beaks, 

 membranous, connate below. 



Obdes CLXX. MAXA.DACEH:. 



Aquatic or marsh herbs of various habit. Rootstock usually creeping. 

 Stems usually elongate (short or in Triglochin) branched. Leaves erect, 



