668 
duplo- latiora, fructifero breviora, plaua, apiee valde attenuata; 
margine scahra. Spica florens cylindrica, duos- fere pollices 
longa, spieulis eomponitur numerosis, inferioribus 4-5 ut 
plurimum remotinsenlis, reliquis adproximatis imbricatis; spi- 
eulae-imf: 7— 8 fem. oblongae demum squarrosae,' bracten 
faleiuntur oblonga acuminata, infima in aristaın spieulam saepe 
aequantem attehuata; spieae mediae masc., supremae fem, sunt, 
Valvae oblongo -lanceolatae aentae plerumque mueronatae-fer- 
rugineae, nexvo pallidiore apieem versus scabro. Perigynia 
e majoribus, valva multo longiora, oblongä in rostrum in- 
currum ore bifidum margine serrulato- scabrum sensim alle- 
auala, ulringne nervoso-siriata, glahra nitida, marginibus 
aculis, dorso convexo, facie plane. Stigm. ®, 
U paludosis humisisque ad Anvios, lacus, fossas nbique 
vulgaris. Mai. %. . 
16. €. arenaria Linn. spec. II. p. 1881. Spiea oblonga, 
composila spieulis numerosis oblongis acutis, inforioribus re- 
wotinsenlis fern, mediis androgynis, summis masc., bracteis 
oblongis acnminatis, infima foliolo filiformi spienlam aegquante 
terminata; valvis oblongis acufafis; perigyniis oblongis plauo- 
convexis, üervosis, in vostrum longum margine lato ciliato- 
serratum, ore bifidum attenualis; culmo triqueiro incarro fo- 
lüsqne carinatis scabris, 
' Wild, ‘spec. IV. p. 223. Host. Ausir. U. p.578. Ejusd. 
Gram. 1. 9.38. Schult. Oest. 1. p.128. Baumg. Trans. Il 
P- 287. Koch Synops. p. 750. Hopp. Car. n, 11. Wahlenb» 
Suec. Il. n. 1037. Lois), Gall. 11. p. 29%. Smith Britt. I. 
p 971. ö 
" Vignea arenaria Bieichenb. Germ. n. 405, 
le. Host. Gram. LT. 49. 
Radix longe lateque repens, pennam anserinam crAs8A, 
squamis fuseis in fila Satiscentihus fecta,. hir ibigne faseienlum 
