989 
laminam angustam scabram continuatis; spienlis (semper) plu- 
ribus, congestis patentissimis linearibus obtusis satis com - 
pressis 20 — 28-floris; rhacheola pertenui recta, foveolis 
hyalino- marzinulatis; squamis subdense imbricatis apice pa- 
tulis late ovato-ellipticis e carina viridi trinervia mueronatis, 
subtilissime reticulatis, mucrone recurvato-patulo, lateribus 
tenui - membranaceis v. omnino albidis v. ferrugineo - lineolatis ; 
caryopsi squama dimidio breviore obovato-ellipsoidea tri- 
angulari, mucronata, basé in pedicellum brevem contracta, 
punetulata Zu£eo- fuscescente, stylo exserto profunde trifido ; 
stamine (an semper?) uno. ! 
C. prasinus Kunth, 31. — Dregei pl. african. no. 4440. 
Africa austr. 
Il. Fusci. Umbella simplex v. composita, aut raro decom- 
posita, ^ Spiculae lineares angustae compressiusculae 
fasciculato - eapitatae. — Squamae subrotundae mucronu- 
latae aut muticae, carinatae subtiliter (interdum obscure) 
winerviae, pictae," Caryopsis squamam subaequans tri- 
quetra mucronata laeviuscula pallida. — Stamina duo. 
Rhacheola tenerrima angulis vix marginulata. — Culmi 
compressi infirmi. — Fusci, Kunth. 
175. €. fuscus L. 
Caespitosus, radice fibrosa annua; culmis compresso - 
triquetris infirmis (2— 11, raro ad 18 poll. long.) ; foliis culmo 
brevioribus v. parum longioribus herbaceis planis acuminatis 
sursum marginibus remote spinulosis; involucro triphyllo, in- 
terdum 6 — 8-phyllo: foliolis tribns exterioribus umbella com- 
posita v. simpliei 8-— 3-radiata longioribus, reliquis subseta- 
ceis, penultimis patentissimis; radiis patentibus patentissimis- 
que 3/, — '/, poll. long., interdum omnibus subsessilibus; ramis 
brevibus sessilibusye, patentibus; capitulis laxiusculis; spieulis 
