| 501 
Gray Man. 492. — C(. uncinatus Pursh FI. I. p. 50. — €. 
fasciculosus Liebm. |. e. 16. (v. s.) — Isolepis echinulata 
Kunth l. c. 205. | 
Nubia, Abyssinia, Senegal, Nupe, India orient., Mexico; 
Civit. American. unit. | 
Variat porro spiculis brevioribus floribus paucioribus squa- 
misque densioribus subtrifariam imbrieatis purpurascentibus. 
C. hamulosus M. Bieb. — Scirpus Steven. — Isolepis 
Kunth, 214. — Ledeb. Fl. Ross. IV. 257. — Dichostylis N. 
ab E. in Linn. IX. 289. — Steven ‚pl. Rossie. rar. -— Becker 
pl. Wolgae infer. no. 159. — Karel. et Kiril. hb. 1070. 
Rossia austr. et media. 
72. €. squarrosus L. 
Radice -fibrosa capillari; culmis 1!/; — 2!/, poll. long. 
setaceis infirmis triangularibus basi paucifoliatis; foliis culmo 
longioribus v. brevioribus flaceidulis carinato- planis breviter 
acuminatis marginibus superne spinuloso - denticulatis; vaginis 
ore ampliatis; involucri foliis 3 — 5 alternis patentissimis 4 
— 1 poll. long.; umbella 4— 7-radiata (rarius 2— 3-radiata); 
radiis patentibus apice polystachyis, exterioribus pedunculatis 
(Ya — V, poll. long.) v. raro omnibus subsessilibus;  spiculis 
discis impositis spicato-aggregatis patentissimis reflexisve, 
squama ovato-lanceolata mutica persistente basi praeditis, - 
linearibus aeutiuseulis, non raro leviter incurvatis compressis 
8 — 16- floris (interdum 5-floris); squamis remotis adpressis 
lineari- oblongis, e carina aeutiuscula tri- v. obscure quinque- 
nervia viridi acuminatis, acumine subrecurvato - patulo, late- 
ribus sordide stramineis lutescentibus v. ferruginescentibus 3 
earyopsi squama circ. !/ breviore angusto-lineari subcom- 
presso - triangula. leviter arcuata acuminata subtiliter gra- 
nulata fuscescente opaca; stylo haud exserto apice trifido; 
