158 102. Echinoch. 10* GRAM1NEAL Pl.end.pfu 
Corn-fields by rivers ; annual ; August. 
Culm smooth ; leaves soft, broad, 7 or 9-ribbed ; sheaths 
smooth, bald ; ligula a yellow spot ; spike doubly branched, 
green or purple ; peduncles flexuous ; locustce ovate, acute ; 
spathelles either long-pointed or with a short bristle. 
0. aristata . Bristle 8 or 10 times as long as the spa- 
thelles. 
Fam. VI. 11. RESTIACEiE. R. Brown. 
Perigonium free, 2 to 6 -parted, rarely none; stamens 
definite, 1 to 6, when 2 or 3 opposite to the lobes of the 
4 or 6-parted perigonium ; ovary 1 or many-celled ; cells 
1 -seeded ; ovules pendulous; pericarp capsular or nutlike ; 
seeds inverse, albuminous ; perisperm fleshy, same shape as 
the seed ; corculum basil lary, lenticular, on the outside of 
the perisperm, opposite to the umbilicus. — Culm herbaceous, 
naked or sheathed ; leaves simple, slender ; sheaths cut, one 
edge overlapping the other ; flowers aggregate, mostly di- 
clinous ; hr acteoe distinct. 
I. 103. ERIOCAULON. Gronovius. Pipewort. 
Head androgynous ; hr acted 1 -flowered, outermost often 
empty, in vol ucrating; perigonium 4 or 6*-lobed ; lobes in a 
double series ; male in the centre ; inner lobes of the pe- 
rigonium connate below ; stamens 4 or 6 ; anthers 2-celled ; 
female in the circumference ; inner lohes of the perigonium 
distinct; style 1 ; stigmata 2 or 3; capsule 2 or 3-celled, 
2 or 3-lobed, opening at the prominent angles ; seeds one 
in each cell, pendulous. 
Eriocaulon septangulare . Seve?i-a?igled pipewort . 
Scape streaked ; leaves cellular, compressed, swordshape, 
bald, shorter than the scape; head globose; external hracted 
empty, bald ; inner hracted and perigonium hairy, fringed 
at the tip ; stamens 4. 
Eriocaulon septangulare, Withering Bot. Arr. 184. 
Eriocaulon decangulare, Lightfoot FI. Scot. 569. 
Nasrnythia articulata, Huds. FI. Ang. 415. 
Lakes in the Hebrides ; perennial ; September. 
Herh reticulately cellular; roots simply fibrous, jointed; 
scape erect, a span high, single, 7-angled, leafless ; leaves 
many, radical ; head hemispherical, white and black ; 
hracted scariose; flower snow-white with 2 black spots, 
tip feathered ; anthers black; capsule 2-celled. 
7 
