339 
squamis hyalino-membranaceis flavo-albidis, dorso nervato 
subviridulis, obtusis mutieis, maseulis oblongis, foemineis 
latiss. ovatis; utrieulis subeoriaceis patentibus squama duplo 
longioribus Aavidis lanceolato-ovatis sensim rostratis sub- 
inflatis erebre nervosis celluloso-granulatis laevibus, ore 
emarginato-bidentato eiliolato, 4 lin. longis; car. arete in- 
elusa utrieul dimidium subaequante ovali, ima basi con- 
traeta, acutangula faciebus concavis, punctulata ferruginea, 
stylo basi parum incrassato terminata. 
©. turgeseens Torr. Monogr. 419. — Boott, 90. t.. 264. 
— Sartwell, no. 144. 
Carolina meridian. 
LIX. Uneinia Pers. 
Spiewla unica terminalis androgyna, apice mascula, 
subeomposita, saepe elongata, nuda. Squamae undique 
imbrieatae uniflorae, et Thfimae fertiles. Stamina 3; fila- 
menta antheraeque brevia. Perigynium angustum, saepe 
lineari-oblongum, caryopsin rhachillamgne nudam setaceam 
elongatam, plerumque longe exsertam, apice uncinatam 
inceludens. Stylus brevis, basi subbulbosus; stigmata 3 
brevia vix exserta. Caryopsis trigona. — Squamae inter- 
dum infimae (fruetiferae) lamina foliacea munitae. 
Uncinia Pers. Syn. 2. 534. 
a. Utrieulis glabris laevibus. 
\ 1. U. tenella R. Br. 
Flacelda; rhizomate elongato filiformi stolonifero apice 
multiramoso, ramis fascicnlatis subdecumbentibus, basi 
squamis fuseis vestitis; eulmis seiaceis 4—2 pollic. (ad 6 
pollie., Hooker) longis obsolete quadrangulis laevibus; 
foliis culmos subsuperantibus angustissimis acuminatis ca- 
22* 
