356 90. ALISMACEJi!. 



ereet, close together aflii at' tlie base of 'the' carpel. Embryo 

 straiftbt ; radicle next the bile ; plumule coming througb' a 

 lateral clejft in the, embryo. / \,.'., 



5. SoHEtycHZEMA. Periaitb of 6'reflexed leaves. Stam. 6, 

 with sleittder filaments.' Ovaries 3. Stigma sessile downy. 

 Carpels compressed) inflated, divergiflg, 1 — 2-seeded, free.' 



'6. TuiGLOCHiN. Perianth of 6 ere,ct deciduous leaves. Stam. 

 6 ; anth. almost ,^essile. , Ovaries 3 — 6. , Stigmas sessile, 

 featherj'. Carp, attached to an atngulaifj axis from which 

 they at length separate at the base, 



Subordpr I. Alismoidfice. 



1.,;Ai.ts'ma Linyi,,. Water Plantain. 



1. A. Pldntdyo (L.) ; fl. -stalk pahioled with whorled (Sompoimd 

 branches, carp, ragged in 'a circle compressed hhint obovate, style 

 beldiv the t6p' of inner edge of carp., 1. cordate-ovate of lanceolate. 

 — -E. B. 837. R. vii. t. 57.— L. all radical, on long stalks. Sub- 

 mersed 1. linear. Pl.-staljis 2—3 feet high. Fl. pale rose-colour. 

 Sep. ovate-oblong, styles twice as long as ovary. — /3. A. lanceo- 

 Zato (With.);; 1. lanceolate narrowed belowi Sep. ovate, styles 

 equalling, the ovary. — By water. , jP. VII. VIII . E. S. I. 



2. A. ranimculmdes(\j.') ; fl.-stalks' umbellate, carp, angular 

 uente forming a globose sqiuarrosS :head, style terminalf l.i linear- 

 lanceolate., acute.— -E. 5.i>326. JR. vii. t. 55. — Ji. all radical, on 

 long stalks. El.-stalks from 3 to 24 in. long, ending in 1 or 2 

 unt^eUate whorls of simple peduncles. Fl. pale purple.^-/3. A. 

 re^ens (Dav.)'; plant depressed, umljels rooting and prbliferoiis, 

 fl. larger. K B. 'S. 2732.— Turfy bogs. 'j3. By lakes in Wales 

 and Scotland. P. VI. Vll. ' E. S. I. 



8. A. nutans (L.) ; st. floating and rootin'g leafy, peduncles 

 sim2^le from the joinings of the stem, car^. striate beaked, float- 

 ing 1.' stalked oblong blunt, radical leafless petioles linear-taper- 

 ing. — E. B. 776. R: vii. t. 54, — St. , slender, often very long. 

 Root-petiojes in small tufts. Fl. rather large, white with a 

 yellow spot:— -Lakes, rare. 'P. VIII. ' ■ E.I. 



2. AcTiNbcARPtrs. R. Br. Thrumwort. ' 



1. .4- Damasonium (R, Br.) ; stalks with 1 — 3 whorls of fl., 

 cai'p. subulate compressed opening longitudinally, 1. Cordate-ob- 

 long. — JE. B. 1615. AUsma Sm. — L. all radical, floating, on 

 long stalks, 5- veined. ,Pet. whi,te. Carp, large ; with 2 stalked 

 seeds, 1 from the lower angle erect, the other from the upper 

 horizbnial.— Pbnds and ditches, rare. P. VI. VII.' E. 



