126 CONTRIBUTIONS 
Pelador, Sierra de Santa Ana, Misiones, G. Niederlein, n. 604. 
À typico differunt specimina paraguayensia culmis validioribus, squamis fuscescen- 
tibus nec fusco-sanguineis, caryopsi nitidiore. 
Area geog. Paraguay, Brasil, 
CG. NiEDERLEINIANUS Bckir., Beitr. zur Kenniniss der Cyper., Heft. I, Cyperaceæ 
Nove, 1888, p. 2. 
Guarapi, in pratis paludosis, Jan. n. 3095. 
Invernada de Loreto, G. Niederlein, n. 606! 
Area geogr. : Paraguay, Misiones. 
C. UNGINULATUS Schrad., in Nees ab Esenb.. L. c., p, 23; Steud., Syn, Cyper., p. 15: 
Bôckeler, L. c., XXXV. p. 497. — C. paraguayensis C. B. Clarke, L. c., p. 90. 
Assomption, in graminibus arenosis humidis, Jan., n. 419; in planitie Paraguars 
ad ripas paludorum siccorum, Julio, n. 420. 
Area geog. Brasilia, Paraguay. 
C. ARISTATUS Rottb., Deser. et Ie, p. 23, t. 6, f. 1: Kunth, L c. p. 23; Bôckeler, 
l c., XXXV, p. 500; C. B. Clarke, L. c.. p. 91. 
Villa-Concepcion, in paludosis siccis, Nov., n. 418. 
Area geog. America meridionalis et temperata; Africa tropicalis, India, Australia. 
C. REDOLENS n. sp. Culmis basi tuberosis, fuscescentibus, plurifoliatis, capitulis 3-5- 
nis in apice culmorum congestis, radiis sessilibus, spicis laxis, sabcompressis, cinereis. 
Culmi cæspitosi basi tubera magnitudine pisi, Copaivæ balsamum redolentia radi- 
cesque filiformes rigidas, præbentes, triquetri, læves lateribus sulcatis, ad 35-40 em. 
ali, foliisque pluribus vaginantibus rufescentibus, brevioribus, glabris, carinato-con- 
duplicatis, rigidulis muniti constant. Capitulum subdeltoideum, e 3 vel 5 minoribus 
sessilibus 15-20 stachyis confertum, solitarium, involucratum, 5-6 phyllis, infimis 
longissimis, alteris brevioribus vix umbellam superantibus, planis, glabris, carinatis, 
acuminatis. Spicæ in rachide crasso remotæ, lineari-lanceolatæ, subcompressæ, 8-10 
floræ, suberectæ vel patentes. Squamæ basi approximatæ, versus apicem parum dis- 
tantes, ovato-ellipticæ, margine hyalinæ, lateribus lutescentes, punctulatæ, plurinerviæ, 
carina virides, evidenter mucronatæ. Caryopsis squama brevior, subellipsoidea, trigona, 
angulis obtusis, lateribus concavis, sub apicata, basi attenuata, ferrugineo-brunnea, 
punctulato-nitida; stylo longo, ad medium trifido, stigmatibus exsertis, ferrugineis. 
Filamenta hyalino-fusca, caryopsin superantia, tria; antheris...? Racheola flexuosa 
late hyalino-alata. 
