562 OLXVI. ALisMACE-E. (J. D. Hooker.) [Wisneria. 



W. triandra, Micheli in A.DG. Monog. Phan. iii. 82 ; sepals and petals 

 3 each, achenes subglobose, stigma sessile. Sagittaria triandra, Dalz. in 

 Hook. Journ. Bot. ii. (1850), 144 ; Dalz. & Gibs. Bomb. Fl. 249. 



The CONCAN ; in water holes, Mai wan, Stocks. 



I/eaves with the petiole 9-16 in., narrowly linear-spathulate obtuse, - in. broad, 

 midrib stout penni-nervuled, lateral nerves slender submarginal. Scape 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 obovoicl, smooth. 



5. BUTOXKUS, Linn. 



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

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

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

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

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

 Carpels 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 Enum. iii. 164 ; Reichb. Ic. Fl. Germ. 

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



The PAN JAB and KASHMIR ; in marshes, &c., alt. 1-5000 ft. DISTRIB. Europe ; 

 N. Asia. 



Leaves 3-4 ft. by | in. broad, acuminate, base sheathing. Umbel many-fid., 

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



6. BUT O IV. OP SIS Kunth. 



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

 in solitary or superposed bracteate whorls ; perianth as in Butomus, 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 ; Dalz. & Cribs. Bomb. Fl. 249 ; 

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

 B. ? latifolia, Kunth 1. c. Butomus lanceolatus, Roxb. Fl. Ind. ii. 315 ; 

 Wall. Gat. 4999. B. latifolius, Don Prodr. 22. B. Dobia, Ham. in Wall. 

 I. c. TaBganocharis cordofana, Hochst. in Flora (1841), 369. 



PLAINS OF INDIA, from Rohilkund to Assam and the Deccan. DISTRIB. tropics 

 of the old world. 



Very variable in stature and stoutness. Leaves 2-5 in., broad or narrow, 3-7- 

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

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

 f-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. 



ORDER CLXX. NAIADACEJE 



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

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



