140 
vaginis semipollicaribus purpurascenti-testaceis ore obliquo parce 
ciliatis; foliis culmo brevioribus, 4—3 poll. longis acutis, supra 
canaliculatis subtiliter reticulatis, subtus convexiusculis striolatis, 
margine superne subtiliss, spinulosis; spiculis bractea folii- 
formi ipsis multo longiore (6—8-lineali) suffultis, terminali 
sessili altera pedicellata erecta (anthelam ita valde depauperatam 
exhibentibus), fructiferis late ovatis turgidis acutiusculis sesquili- 
neam longis, 4—5-floris, flore supremo plerumque imperfecto ; 
squamis majusculis adpressis chartaceo-membranaceis ovato-orbi- 
culatis alte carinatis obtusis muticis subscabridis brun- 
nescenti-ferrugineis opacis, carina trinervia concolorata v. virente; 
squama bracteali lanceolata cuspidata; caryopsi gran- 
diuscula squamam fere æquante obovata, basin versus atte- 
nuata, triangulari obsolete reticulata stramineo-pallida niti- 
dula, styli bulbo grandiusculo depresso-globoso ferrugineo 
coronata. 
Scirpo gracillimo m. (Isolep. gracill; Hochst,) paululo affinis. 
In campis fertilioribus prope Lagoa Santa semel lecta 
(Wrmg.). 
12. S. sphærolepis Bckilr. n sp. 
Glaucus; rhizomate brevissimo; culmis- pluribus fasciculatis 
stricte erectis tenui-filiformibus inæqualibus, 20 412 poll. altis 
obsolete angulatis striatis lævibus glabrisve, basin versus pauci- 
foliatis; foliis remotis erectis setaceis rigidulis glabris v. subti- 
liter pilosis, valde inæqualibus, 4£—12 unc. longis, breviter acu- 
tatis subsemicylindricis, facie canaliculatis subtiliter reticulatis, 
dorso striatis, marginibus obsolete denticulatis; vaginis longius- 
culis angustis fissis brunnescenti-testaceis v. cinnamomeis, ore 
obliquo pilis subtilibus albis sparse ciliatis; umbella composita 
explanata 10—6-radiata; radiis palentibus inæqualibus reclis 
v. flexuosis 19/4-—1/3 poll. long., glabris v. pilosulis, apice 4£—3-ra- 
mosis, intimis brevioribus indivisis; ramis exterioribus 6—3 lin. 
long., interioribus sessilibus; involucro triphyllo e basi dilatlata 
colorata ac ciliata setaceo, phyllo inferiore umbellam superante 
