350 87. ASPAEAGACE^i 



sti-aiglit lotes, fl.-stalk simple, fl. wliorled.— £. B. 84. R: vii. 

 t. 53. — Stoloniferous ; each numer ending in a tuber. The 1. 

 that rise above the water are remarkably arrowshaped, with the 

 3 parts nearly equal. The submersed leafless petioles are linear. 

 Fl. white.— Ditches and rivers. P. VIII. E. I. 



Suborder II. Butomeee, 



4. Bu'tomtjs Linn. Mowering Rush. 



1. £. unibelldtus {lj.).—E. B. 651. B.. vii. t. 68.— Flowerstalk 

 radical, 2 — 3 feet high^ overtopping the leaves, bearing an irre- 

 gular many-flowered simple umbel with scarious bracts and a 

 membranous 3-leaved involucre. Fl. rose-coloured. L. radical, 

 slender, triangular. — Rivers and ponds. P. VI. VII. E. I. 



Suborder III. Juncaginea. 



5. Schbuchzb'eia lAnn. 



l.S.palus'tris (L.).—E.B. ISOl. St. 78. 4. U. x. 419.— St. 

 6—8 in. high, erect. L. distichous, few, alternate, semicylin- 

 drical, blunt, with a minute pore on the upper side at the apex. 

 Raceme terminal, of about 5 greenish flowers. Caps, about 3, 

 much inflated.— Sphagnous bogs, rare. P. VII. E. S. 



6. Tkiglo'chtn Linn. Arrow-grass. 



1. T. marit'imum (L.) ; fr. ovoid of 6 combined carpels. — 

 E. B. 255. R. vii. t. 62. — L. radical, linear. Fl. in a lax simple 

 spike or raceme, greenish. — Muddy salt marshes. P. VII. VIII. 



E. S, I. 



2. T. palus'ire (L.) ; fr. linear angular of 3 combined carpels. 

 — B. B. 366. R. vii. t. 51. — Slenderer than the preceding but 

 closely resembling it, 8 — 10 in. high. Stoloniferous. — Marshy 

 places. P. VI. Vn. E. S. I. 



Order LXXXVII. ASPAEAGACE.^. 



Perianth inferior, petal-like, 6-parted or 4 — S-parted. Stam. 

 6 or 4 — 8, inserted into the receptacle or on the perianth. Anth. 

 bursting inwards. Ovary superior, 3- (rarely 1-) celled. Ovules 

 1 or many in each cell. Styles 1 — 3. J^. succulent, not bursting. 

 Root not bulbous. — Raphidiferous. 



1. Asparagus. Perianth 6-parted, beUshaped, tubular below. 

 Stam. 6. Ovary S-celled ; cells 2-ovulea. Stt/le 1. Stig- 

 mas 3, rcflexed. — Fl, by abortion dioecious. 



