88. ALISM.VCEj;. 
the anthers, caps, obtuse !ii>iculate, seeds nearly twice as loiuj as 
broad with a basal appendage. — E. li. S. 2718. St. 77 - 7 - E. con- 
gesta Sin. — St. 8 — 20 in. high. Filaments more than half as long 
as the rather short small antli. and often ecpialling them. Panicle 
with the clusters nearly all stalked, or (/3. congesta, L. congesta, 
Lcj., L. campestris Hook.) contracted into a roimded lohed 
head. — Moorish and turfy places. P. VI. 
(). Ij. spicata (DC.) ; 1. narrow slightly channeled hairy, 
panicle an oblong lobed nodding spike, clusters shorter than their 
bracts, segments of jierianth narrow acuminate bristle-jiointed, 
tilaments half as long as the anthers, caps, obtuse apieulate, seeds 
oblong with a very slight basal appendage. — E. B. 117h. — St. 
.'1 — 12 in. high. L. short, slender. Spike ^ — 1 in. long, nodding. 
Partial bracts tapering, bristle-jiointed. — Highland mountains. 
P. VII. 
7. L. urcuata (Hook.) ; 1. channeled slightly hed\y, panicle sub- 
umbellate of few 3 — 5-tlowered clusters on long drooping pedun- 
cles, segments of perianth broadly-laiiceolate bristle-pointed, lila- 
ments equalling the anthers, cajis. roundish-ovate, seeds oblong 
obtuse or apieulate scarcely appendaged below. — E. B. S. 2688. 
— St. slender 2 — 5 in. long. L. short, curved, narrowly linear. 
Panicle of .'1 — 5 small clusters, 1 nearly sessile, the others on 
long detlexed stalks. — Highest summits of the Cairugorum and 
Sutherland mountains. P. VII. VIII. S. 
Order LXXXVIII. ALISMACEiE. 
Perianth free, 6-parted, coloured. Stain. 6 — 9 or more. 
Ovaries 3 — 6 or numerous. Styles and stigmas the same. Fruit 
not bursting, 1- or many-seeded. Embryo straight or curved, 
albumen 0. 
Suborder I. ALISMOIDEyE. 
Three inner segments of the perianth petaloid. Seeds 1 — 2 in 
each cell, erect or ascending. Placenta sutural. Embryo cylin- 
drical, doubled upon itself, radicle ne.xt the hilum. 
1. Ausma. FI. perfect. Cal. of 3 leaves. Pet.3. Stain. 6. 
Carp, numerous, 1-seeded, not bursting. — G. F. G. Mouoeot. 
ii. 25. 
2. Actinoc.vrpus. FI. perfect. Cal. of 3 leaves. Pet. 3. 
Stain. 6. Carp. 6 — 8, 2-seeded, combined at the base and 
spreading in a radiant manner. 
3. Sagittaria. FI. monoecious. Cal. 3-leaved. Pet. 3. 
Male H. with numerous stam. Female fl. with numerous 
