486 
phyllis; foliis 2 —3 pollice. perangustis complicatis apice ob- 
tusiuseulis laevibus; spiculis lateralibus 5 — 4 sessilibus dense 
aggregatis ovato-oblongis v. ovatis apice vix acutiusculis 3 
— 1/4 lin. long., eompressiuseulis 24 — 12 - floris; involuero 
diphyllo, phyllo uno culmum continuante 1!/, — 1 poll. long., 
altero spiculas subaequante; squamis dense imbrieatis apice 
patulis latissime ovatis v. orbicnlari-ovatis navieularibus, 
apice tantum subcarinatis, obtusissimis (carina interdum parum 
producta), dorso viridulo obsolete nervosis, lateribus viridulo- 
albidis; rhacheola recta dentata; caryopsi magna squamam 
fere aequante compressa lato-ovato- subelliptica apiculata 
plano 3 convexa, interdum evidenter trigona, | scrobiculata 
fusceseente; filamentis subpersistentibus brevibus latisque. - 
Specimina plantae sub nomine C, rivularis Steud. in 
Lechleri pl. Peruvian. cum specie antecedente mixta. — (Herb. 
propr.) 
Prope Arica Peruviae. 
56. C. Iaevigatus L. 
Rhizomate repente caespitifero; eulmis validis ereetis !/, 
— 1 '; - pedalibus superne triangulis basin versus vaginatis; 
vagina superiore folifera; foliis saepissime brevibus, interdum 
subnullis, crassiusculis compaginatis v. marginibus involutis, 
laevibus, apice obtusissimis; spieulis lateralibus paucis v. 
pluribus fascieulato - congestis late linearibus v. oblongis, ob- 
tusis aut acutiuseulis compresso-turgidis saepeque pl. m. 
curvatis, multifloris; involucro subdiphyllo; phyllo inferiore 
eulmum. continuante erecto 1 — 1!/, poll. Ig., altero perbrevi, 
quandoque deficiente; squamis ehartaceis dense imbricatis or- 
biculato- v. ovato-sublanceolatis concavis, praesertim supe- 
rioribus interdum acutato-submueronulatis, dorso obsolete 
nervatis, stramineo-pallidis v. spadiceis aut nigrescentibus, 
