249 



CXXXIII. ALISMACEJE. 

 1. SAGITTARIA, Linn. 



1. S TRIANDBA, Dalz. in Hook. Jour. Bot. ii, 144. Root 

 fibrous ; leaves long-petioled, linear-spathulate, 3-nerved, much 

 longer than the scape, obtusely keeled on the back ; scape erect, 

 simple, round, obtusely trigonal at the apex ; flowers triandrous, 

 verticelled, shortly-pedicelled, inconspicuous ; female flowers on the 

 lower part of the spike. In water-holes, iMalwan Talooka ; flowers 

 in August. 



2. S OBTUSIFOLIA, Linn. sp. 1410. Root fibrous; leaves 

 radical, erect, long-petioled, ovate-sagittate ; basal lobes divaricate, 

 tapering to long, narrow, fine points, smooth, many-nerved ; sapes 

 tall, erect, 5 to 6-angled, striated, branched and verticelled at the 

 apex; flowers numerous, small, white; drupes small, numerous, 

 collected in globular heads, turbinate, dry and wrinkled. Pretty 

 common in water-holes in Gujarat; at Gundar, where it is called 

 "Nulkoot." Goats are very fond of the leaves. This plant is 

 certainly much nearer to Alisma than to Sagittaria. 



CXXXIV. BUTOMACEJE. 

 1. BUTOMOPSIS, Kunth. 



1. B LANCEOLATA, Kunth. Enum. iii, p 164. Aquatic; leaves 

 radical, long-petioled, lanceolate ; scape as long as the leaves, 6 to 

 12-flowered; flowers pedicelled, erect, umbelled ; exterior sepals 

 elliptic-obtuse, herbaceous ; interior petaloid ; stamina 8 to 9 ; 

 carpels 6 to 7 ; papery rostrate ; seeds numerous, very minute. Syn. 

 Butomus lanceolatus, Roxb. Fl Ind. ii, 315. Rare; at Chicklee, in 

 the Surat Districts, 



CXXXV. PONTEDERACE^E. 

 1. PONTEDERIA, Linn. 



1 . P VAGINALIS, Linn. Willd. ii, 23. Root perennial, creeping ; 

 leaves radical, narrow-cordate, pointed-entire, smooth, glossy, 5 to 

 7-nerved ; petioles lon^, fistulous, smooth, those bearing a raceme 

 swelled about the middle; raceme short-peduncled, with about a 

 dozen handsome blue hyacinth-like flowers. Margins of tanks 

 and water-holes, common. 



2. P HASTATA, Willd. ii, 24. Leaves triangular or hastate- 

 pointed, many-nerved, very smooth and glossy; posterior angles 

 generally obtuse ; flower-bearing petioles swelled near the apex, 

 and there split to allow of the passage of the raceme ; flowers 



32 c 



