348 86, AxisMACiM. 



3. Gaxas'thtts Linn. Snowdrop. 



1. G.mvdlis (L.).— KB. 19. iZ. ix. 363.— BtilboTis, H. soli- 

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

 broadly linear, glaucous. — Thickets in the west. P. II. III. E. 



Order LXXXVI. ALISMACE^. 



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

 6. Ovaries 3 — 6 or many, always distinct or iiltimately sepa- 

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

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



Suborder I. ALISMOIDE^. 



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

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

 doubled upon itself; radicle next the hile. 



1. Alisma. F1. perfect. Stam. 6. Carp, many, forming a 

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

 narrow. 



2. Achnocabfus. FL perfect. Stam. 6. Carp.Q — 8, rather 

 large, 2-8eeded, combined at the base and spreading in a 

 radiant manner. L. cordate-oblong. 



3. Sa&ittabia. M. moncecious. Male fl. with many sta- 

 mens. Female fl. with many 1-seeded compressed carpek 

 forming a head, upon a globose receptacle. — L. sagittate. 



Suborder U. BUTOME.<E. 



Three inner perianth-segm. petal-like ; three outer herbaceous 

 or slightly coloured. Seeds many, minute. Placenta ramified 

 over the inner surface of each carpel. Embryo straight or 

 curved ; radicle next the hUe. 



4. BuTOMUS. Perismth-aegm. 6, all coloured, resembling a 

 corolla. Stam. 9. Carpels 6, connected below. 



Suborder in. JUNOAGINE^. 



Perianth uniform, herbaceous, inconspicuous, orO. Seeds 1 — 2, 

 erect, close together and at the base of the carpel. Embryo 

 straight ; radicle next the hile ; plumule coming through a 

 lateral cleft in the embryo. 



6. ScHEUCHZEBiA, Perianth of 6 reflexed leaves. Stam. 6, 



