TRIANDRIA. ' DIGYNIA. 153 
Bross. Husk 2 valves, parallel to that of the calyx, and 
shorter. Valves spear-shaped, acute, concave, mem- 
branaceous, transparent and greenish... Outer. valve 
longer, its edges turned inwards, . : 
Nectary 1-leaved, spear-shaped, blunt, membrana- 
ceous, transparent and greenish, longer than the germen, 
Stam. Filaments 3, hair-like. Anthers oblong, cloven at 
each end, 5 Sc ' 
Pist. Germen oblong. Styles 2, thread-shaped. Summits 
oblong, downy, expanding, protruding, __- 
S. Vess. none. The valve of the calyx confines the seed 
. in the hollow of the spike-stalk, until the latter sepa- 
rates at the joints. 
Szzp single, oblong, 
é preg ist ite florets with 2 pase pautiiall 
‘AL. us. 2 valves. “Seb Fk jt ung 1 Horet, pia trans~ 
. versely, Valves gristly, oblong, sharp-pointed, scored ; 
outer valye somewhat shorter ; with a short awn. 
oss. Husk 2-valved, placed transversely, Valves spear- 
__ shaped, membranaceous, shorter than the calyx; outer 
.) concave, longer ; inner edges rolled inwards. 
__ Nectary as above, or else of 2 spear-shaped leafits, 
_ tapering to a point. 
‘AM. as above, 
Pisr.. Germen oblong, (or egg-shaped.) Styles 2, hair- 
like. Summits as above. 
S, Vess. none. The calyx and blossom protect the seed, 
which is fixed to the spike-stalk, until it separate at 
‘the joints, Sree: : 
SEED single, egg-shaped, or oblong, , : 
Ons. The R. incurvata has all the florets with 2 husks, and 
the nectary of 2 leafits. Scures. 
E’LYMUS. Pl. II. f:26. 
Caz. Common Receptacle lengthened into a spike, 
__ Husk 4 leaves, pointing from two opposite lines, 2 of 
= leaves, which are awl-shaped, belonging to each 
ittle spike. te ee ‘ 
Buoss. 9 valves, Outer valve large, tapering to a point, 
furnished with an awn. Inner valve flat. : 
ieee 2-leaved, leafits oblong, acute, fringed. 
re 2 x ‘ 
Stam. Filaments 33 hair-like, very short. Anthers ob- 
long, cloven at the base, 
