218 
plerumque superantibus vayinulatis v. amplertentibus ; squa- 
mis difformibus pellueido- membranaceis, maseulis oblon- 
gis obtusiuseulis margine pallidis, lateribus zona rufula 
v. fusco-purpurea notatis, foemineis ovatis carinatis ob- 
tusiuseulis v. acutis mutieis v. mucronulatis totis albidis 
v. rufescentibus aut fuscopurpureo -zonatis; utrieulis viri- 
dulis squamas aequantibus, sesquilineam fere longis, orbi- 
” culato- ellipsoideis teretihus v. obsoletiss. angulatis costato- 
marginatis pubescenti-hirtulis in stipitem attenuatis, basi 
obsolete nervatis, subabrupte rostellatis, rostro Zeviter re- 
curvo subalato -marginato, margine setuloso-subeiliato, ore 
bifido; caryopsi arete inclusa utriculo breviore obovato- 
orbiculari ima basi contracta trigona subtiliss. punctata 
davida v. ferruginea, stylo basi aequali terminata, stig- 
matibus laxe fimbriatis. 
C. varia Mühlb., 236. — Schk., f. 167. — Boott, 97. 
t. 288, 289. — Sartwell, n. 108, 109. — Ü. pennaylva- 
nica #3. Mühlenbergii Gray olim. — C. pennsylvaniea 
Herb. Moser pro parte (non Lam.) — Variat minor, cul- 
mis setaceis semipedal. foliisque perangustis. ’ 
America septentr. 
337. C. pennsylvanica Lamck. 
Laete viridis; laxe caespitosa; rhizomate pl. m. elon- 
gato stolonifero, stolonibus pennam corvinam crassis mul- 
toque tenuioribus vaginis ferrugineo-purpureis mox disso- 
kutis vestitis; culmis singulis pluribusve lateralibus sefaceo- 
‚fihformibus erectis leviter curvatis triangulis superne sca- 
briusculis v. laevibus striolatis inferne foliatis, 70—5, 
raro ad 12 poll. altis; foliis ereotis firmulis angustis !\y—1 
lin. lat., raro latioribus, culmum subaequantibus v. eo bre- 
x 
