4 



Hydi-ocliandew.'] cktlon plants. 331 



compositis vel parum supradecompositis ; spathis inermibus, basi at- 

 teimatis, apice longiuscule ciliati ; Jlorihus alteruatim disticliis, parum 

 distantibus. — c.p. 3159. 

 Has. Galle District. 



Trondis lamince 8 poll, longffi, \ poll. Inttc. Spad. masc. rami florigeri circitcr 

 18, singuli 1-5 poll, lougi. Bractece dracteolac[\xe minutte. Flok. masc. Cafyx 

 urceolatus, 3-(lentatus. Corolla duplo longior, fere ad basin tripartita, segmentis 

 oblongig, acutis. Stamina filamcntis lougiusculis, subliberis. Ovarii rudiment um 

 miiiutmn. 



I regret not being able at present to obtain sufficient materials to dniw up so com- 

 plete a description as could be desired of this apparently very distinct species., 



CLVIT. TYPHACE^. 



1. TYPHA, Linn. 



4 



1. T. angustifolia, lAm\, (Kunth, Enum. iii. p. 91, cum syn. ; Miq. 

 ri.Ind. Bat. iii. p. 173, cum syn. ; Eoxb. Fl. Ind. iii. p. 5G7.)— T. eh 

 p/utntina, Eoxb. 1. c. p. 566.— c.p. 3218. 



Hab. Warmer parts of tlie island, not very common. 



CLVIIL PISTIACEiE. 



1. PISTIA, Linn. 



1. P. Stratiotes^ Linn. (Eoxb. Fl. Ind. iii. p. 131, cum syn. ; Mlq. 



Fl. Ind. Bat. iii. p. 218, cum syn.)— c.p. 3334. 

 Hab. Warmer parts of the island. Nom. vulg. "Deya-pavandella." 



!^ 



2. LEMNA, Linn. 



1. I., minor, Linn. ; Kunih, Enum. iii. p. 4, cum syn.— c.p. 2379. 

 Hab. Not uncommon. 



2. L. polyrhiza, Linn. ; Eng. Bot. t.,2458?— i. major, Griffitb,No- 



tulse (Monocot.), p. 220, t. 2G4. An X. orUculata, Eoxb. Fl. Ind. m. p. 

 565 ?— c.p. 2378. 

 Hab. North of the island, Gardner. 



CLIX. UYBEOCHAEIDE.E. 



1. HYDRILLA, Eich. 



i.. M. verticillata, Casp. in jfrmgsu. ^ixnv^- '. •*-'■*• -^- —""■'-. ---i-. 

 Bot. Zeit. (1854) p. 56. ^.V/r/A^w', Planch. Ann. des Sc Nat (Botanique) 

 3me ser. xi. p. 79. I£. ovaUfblia, Eich. S. angusijfulia,UMme, Mua. 

 Bot. Lugd. Bat. i. p. 82. Vallisneria verticillata, Eoxb tl. Ind. m p. 

 751. Se^picula verticillaia, Eoxb. PI. Cor. 1. 164 -c.p.2310 (230o, 2309). 



Hab. Common in the warmer parts of the island. 



Frucim (in meis .pecim.) demum dimidiu superiore filamcntis paucis longiusculis 

 acutia squarrosis appendiculato. 



