Sciaphila.~\ CLXVIII. TRIURIDEVE. (J. G. Hooker.) 559 



Stem 4-8 in. ; bracts about ^ in. Flowers alternate, opposite and whorled, 

 mono- or dioecious, pedicel -1 in. ; male in. diam., fern. in. Anthers sessile on 

 a thick disk. 



4. S. khasiana, HooJc.f. in Gen. Plant, iii. 1003 ; perianth segments 

 4-5 ovate-acuminate, male fl. with 3 subulate pistillodes, style ventral 

 filiform much longer than the ovary. 



KHASIA HILLS, alt. 4000 ft., J. D. H. fy T. T. 



Plant red -purple. Stem 3-6 in., filiform or capillary, flexuous, simple or branched, 

 naked or with a few scales, fern, much the stoutest. Flowers dioecious, racemose, 

 male -j% in. diam., fern twice as large and longer pedicelled; bracts of male minute, 

 of fern, i in., subulate ; perianth papillose. Anthers very large, globosely 4-lobed, 

 white, dehiscence transverse ; pistillodes erect, subulate, purple. Carpels many, 

 papillose. Achenes reniformly obovoid, pericarp cellular, purple. Seed conform to 

 the pei'icarp ; testa chartaceous, yellow-brown, transversely strongly reticulate ; 

 nucleus oblong, cellular, homogeneous, white. Described from drawings I made in 

 the Khasia. 



ORDER CLXIX. ALIS1VIACEJE. 



Marsh or water plants of various habit. Leaves radical, entire. Flowers 

 regular, uni- or bisexual. Perianth segments 6, 2-seriate, outer (sepals) 

 herbaceous, inner petaloid rarely 0. Stamens 6 or more, hypogynous or 

 perigynous ; anthers erect, basifixed, 2-celled, slits lateral or dorsal. Car- 

 pels 3-6 or more, 1-celled, sessile or stipitate on a flat or raised receptacle ; 

 style short, long (or 0), subterminal or ventral, stigma simple; ovules 1 or 

 more, insertion various. Fruit of small achenes or follicles. Seeds small, 

 exalbuminous ; embryo straight or conduplicate. Genera 12, species about 

 60, cosmopolitan. 



Tribe 1. ALISMACE.E. Fruit of 3 or more achenes. 



Flowers bisexual. Stamens 6-9. Receptacle flat . . 1. ALISMA. 



Flowers polygamous. Stamens 6. Receptacle flat . . 2. LIMNOPHTTON. 

 Flowers unisexual. Stamens many. Receptacle globose or 



oblong 3. SAQITTAEIA. 



Flowers monoecious. Stamens 3 4. WISNEEIA. 



Tribe II. BUTOME.E. Fruit of follicles. 



Petals marcescent. Embryo straight . . ' . . .5. BUTOMUS. 

 Petals deciduous. Embryo hippocrepic Y v . . .6. BUTOMOPSIS. 



1. AX.XS1KA'* Linn. 



Scapigerous herbs. Leaves lanceolate, cordate, or sagittate. Floivers 

 bisexual in umbelled or panicled whorls, white or pink. Sepals 3, her- 

 baceous, persistent. Petals 3, membranous, deciduous. Stamens 6 or 9, 

 filaments filiform. Carpels few or many ; receptacle small ; stigma small, 

 terminal ; ovule solitary, anatropxmsiVY >asilar. Fruit of few or many 

 compressed or turgid, coriaceous or J*p' r ^ Achenes. Seeds erect, testa mem- 

 branous ; embryo hippocrepic. Spe'ifev ^bout 10, cosmopolitan. 



1. A. Plantag-o, Linn'\ le^-es linear ovate-lanceolate or subcordate 

 5-7- 



t. 



Cat. 4998. ? A. intermedium, Griff, ex Voigt Hort. Suburb. Calcutt. 680. 



