356 86. AlISMACEiE. 



lobed equalling the perianth, pedicel long." Penrice Castle, 

 Glam. — N. incomparab' His (Curt.) Sy. E. B. 1602 ; crown erect 

 I as long as perianth, otherwise like Sp. 3. In several places 

 in the South. — These are not native plants.] 



2. Lettco'jum Linn. Snowflake. 



tl. L. esstivwm (L.) ; spath many-flowered, style thickened 

 upwards.— -B. B. 621. JR. ix. 362.— Bulbous. Height 2— 2i 

 feet. Fl. EBstival, white, drooping ; tips greenish. L. broadly 

 linear, keeled, hibernal. Scape 2-edged. — Wet meadows. P. 

 V. E. 



t2. X. ver'num (L.) ; spath 1-flowered, style thickened up- 

 wards.— %. E. B. 1506. /. of B. iv. t. 49.— Bulbous. Height 

 8 — 10 inches. L. and white drooping flowers vernal. — Near 

 Bridport and Bicester. P. U.- IV. E. 



3. Gaian'thus Linn. Snowdrop. 



1. G. nivais (L.).—E. B. 19. S. ii. 363.— Bulbous. Fl. soli- 

 tary, white, drooping ; inner segments greenish. L. 2, keeled, 

 broadly linear, glaucous. — Thickets in the West. P. II. HI. E. 



Order LXXXVI. ALISMACE^. 



Perianth free, of 6 leaves ; 3 inner or all coloured. Stam. 6. 

 Ovaries 3 — 6 or many, always distinct or ultimately separable ; 

 carp, opening at the suture or not at all ; seeds 1 or many. 

 Embryo straight or curved ; albumen 0. — No raphides. 



Suborder I. ALISMOIDEiE. 



Three inner perianth-segm. petal-like. Seeds 1 — 2 in each 

 ceU, erect or ascending, on the suture. Embryo cylindrical, 

 doubled upon itself; radicle next the hile. 



1. Alisma. Fl. perfect. Stam. 6. Carp, many, forming a 

 ring or head, small, 1-seeded, not bursting. — ^L. ovate or 

 narrow. 



2. AcTnsro CARPUS. Fl. perfect. Stam. 6. Carp.G — 8, rather 

 large, 2-seeded, combmed at the base and spreading in a 

 radiant manner. L. cordate-oblong. 



3. Samttabia. Fl. monoecious. Male fl. with many sta- 



