30 . . 
16. €. Ruiziana Beklr. 
Flavo-virens; eulmis strietis setaceis firmis 8—4 poll, 
alt. nudis striatis (foliisque rubiginoso-punctatis) superne 
acute triangulis ad angulos serrulatis; folis eulmo Tongto- 
ribus (10 — 7 pollie.) firmis tenuibus longe attenuuto-acums- 
natis, inferne eunalieulato-filhformibus suleato-striatis, superne 
"semieylindrieis v. obsolete triangulis Hexuosis ad angulos ser- 
rato-perscabris; spicula parva erecta stramineo -Tutescente 
breviter pedunculata involuerata pauei- ac densiflora, fructi- 
fera oblonga utrinque attenuata apice acuta 2'/,—3lin. longa 
vix supra lineam lata, floribus foemineis basilaribus 4—3, 
masculis subpaueioribus; involueri diphylli foliolis opposi- 
tis, foliolo inferiore setaceo 8—10 lin. longo triangulari, an- 
gulis scabris, ima basi dilatata amplectente, altero squami- 
formi hyalino-membranaceo euspidato quam spieula parum 
breviore; squamis membranaceis ovatis acutiuseulis subtili- 
ter mucronatis dorso uninervato favidis, margine pellueido- 
albidis; utrieulis membranaceis flavidis erectis squamam 
subaequantibus sesquilineam eirc. longis ovalibus, in ro- 
strum breve ore byalino bidentieulatum attenuatis, breyiter 
stipitatis plano-convexis enerviis, superne margine subtiliss, 
serratis. (Ex herb. Lamberti.) 
In Peruvia v. in Chili leg. Ruiz, 
12. ©. monostachya A. Rich. 
Laete viridis; eaespitosa; radieis fibrillis perlonges eras- 
sis duriusculis fuseis; eulmis subsesquipedalibus tenuibus 
" firmis triguetris striatis ad augulos serrulato-perscabris, basi 
pluri-(4—-5-) foliatis, infima basi vaginis efoliatis brevibus 
“ brunneis nitidis obtectis; foliis perrigidis erectis culmo ple- 
rumque multo Tongioribus linearibus longe augustato-acumi- 
natis inferne carinulato-planis 1—2 lin. latis, superne tri- 
quetris; ligula brevissima transversim truncata tenui-mem- 
