220 160. Hydr. 25. HYDROCHARIDE^. Pl.end,pL 



I. 160. HYDROCHARIS. Linnaeus. Frog-hit. 

 Dioirous. — Male. Spathe S-parted, S-flowered; peri- 



goniuyn petaloid, 6-sepaled ; 3 inner sepales largest ; sta- 

 mens 9, in 3 series, on a barren ovary. — Female. Spathe 0; 

 perigonlum petaloid, 6-sepaled, adherent to the ovary; 

 styles 6 ; stigmata acute, 2-cut ; pericarpium leatherlike, 

 rounded, 6-celled, many-seeded. — Herb floating, knotted, 

 stoloniferous ; knots leaf and flower-bearing; leaves -peixo- 

 late, in bundles, roundish ; foliation involute ; Jiowers 

 whitish. 



Hydrocharis asarifoUa. Asarum-leafedfroglit. 



Stratiotes foliis asari, semine rotundo, Rait Syn. 290, I. 

 Morsus rana&, Ger. em. 818. 



NympliaBa alba minima, sen Morsus ranse, Park. 1252. 

 Hydrdcliaris Moi'stis ranae, Lin, S- P. 1466. 

 Frog-hit. Least water-lily. 



Ditches and stagnant vi^aters : perennial ; July. 

 Leaves floating, kidneyshape;^oi{^6'?,s white, footstalked. 



p. odoratissima. Flowers double, very odoriferous. 



Morsus ranze flore pleno odoratissimo, Rail Cat. Cant. 101. 



II. 161. STRATIOTES. Dioscorides. Water-soldier. 

 Spathe compressed, persisting, deeply 2-parted, carinate, 



1-flowered ; perigonlum adherent, 6-sepaled ; sepales sol- 

 dered at the base; 3 outer sepales smaller, greenish; 3 inner 

 larger, coloured; stamens 10 to 20, on the edge of the ovary; 

 styt,es 6, 2-cut; pericarpium 6-sided, attenuated, fleshy, 

 6-celled ; cells divided b}^ a double membrane filled with 

 pulp ; seeds many, rather angular, parietal ; sOermodtrmis 

 simple, membranaceous. — Hfrh floating, soboliferous; leaves 

 sheathing, crowded, radical, vascular, angular ; scape axil- 

 lary, 1-flov/ered ; floiuers often abortive, or dioicous. 



Stratiotes aloides. y^loe water-soldier. 



Leaves swordshape, triangular; edge serrate with carti- 

 laginous teeth. 



Stratiotes foliis aloes, semine longo, Rail Syn. 290, 1. 



M'litaris aizoides, Ger. em. 825. 



Stratiotes sive Militaris aizoides, Pari:. 1249. 



Stratiotes aloides, Lin. S. P. 754. 



TVuler sengreen. Freslnvater soldier. TValer aloe. 



Ditches and stagnant water ; perennial ; July. 

 Leaves brittle, blackish green ; ^ca/ie 2-edgedj serrated ; 

 jiowers white. 



