Beiblatt zu den Botanischen Jahrbüchern. Nr. 68. 5 
C. correctus Steud.! Cyp. (1855) p. 7. 
C. variegatus Griseb.! Fl. Brit. West-Ind. p. 562, non H.B.K. 
C. Humboldtianus Schultes in Roem. et Sch. Syst. v. 2 Mant. p. 100; 
Boeck.! in Linnaea v. 35 (1867—8) p. 444, et in Engl. Bot. Jahrb. v. 4 
(1881) p. 362. 
C. filiculmis A. Rich.! in Sagra Fl. Cuba v. 3 (1853) p. 285. 
C. Olfersianus C. B. Clarke in Journ. Linn. Soc. v. 21 (1884) p. 62. 
partim; Boeck. in Engl. Bot. Jahrb. v. 4 (4881) p. 362, non Kunth. 
C. Olfersiamus y elatior Boeck.! in Linnaea v. 35 (1867—8) p. 440. 
C. Jacquemontit Boeck.! in Linnaea v. 35 (1867—8) p. 442. 
C. Jaeggii Boeck.! Cyp. Novae Heft 4 (4888) p. 2. 
C. lepidus Philippi! in Anal. Univ. Chile v. 93 (1896) p. 347. 
C. melanostachyus var. pallida Schlechtendal ms. fide Boeck. 
Glabra. Rhizoma horizontale gracile, e nodis pluribus approximatis 
saepe radicans. Culmi 3 dm longi, graciles. Folia 2—3 dm longa, 
anguste linearia. Umbella 4—8 cm lata, simplex; radii 5—3—A1A; brac- 
teae 3, ima 5——-12 cm longa, anguste linearis, culmum quasi continuens. 
Spieulae 5—15 in unoquoque capite globoso fasciculatae, 5—15 mm longae, 
8—12-nucigerae, compressae, pallidae proventu fusco-bruneae.  Spiculae 
rhachilla persistens, glumae arcte imbricatae ellipticae deciduae. Stamina 
3—2 raro 4. Stylus 2-fidus. Nux lateraliter compressa, oblongo-obo- 
voidea, levis. 
Chile: Curico (PniLiPPI). 
Distrib. In America Centrali et West Indies, frequens. In Brasil 
Australi et Monte Video, rara. 
2. P. nematodes C. B. Clarke n. sp. 
P. megapotamicus Nees! in Mart. Brasil v. 2 pars 4 p. 6 partim. 
Cyperus megapotamicus Boeck.! in Linnaea v. 35 (1867— 8] p. 453 
partim; C. B. Clarke in Journ. Linn. Soc. v. 24 (1884) p. 68 partim; 
Maury! in Mem. Soc. Genev. v. 31 (1890) p. 125. 
C. nematodes Chamisso! ms. in herb. Berol. 
Glabra. Culmi caespitosi, 4—6 dm longi, gracillimi. Folia 5—25 cm 
longa, anguste linearia. Caput 4, globosum, densum, 12—18 mm in diam.; 
bracteae 3—2, ima 8— 18 cm longa, filiformis. Spiculae fasciculatae, 4 cm 
longae, lineares, compressa, 18-nucigerae, flavidae. Spiculae rhachilla per- 
sistens, glumae arcte imbricatae naviculares deciduae. Stamina 3—2 raro 14. 
Stylus 9-fides. Nux lateraliter compressa oblongo-obovoidea, apice fere 
conica, levis, brunea. 
Chile: R. Diguillin (Prov. Nuble), (Dn), 
Distrib. Brasil. Australis (Chamisso n. 206); Minas Geraes, Paraguay 
et Uruguay. 
3. P. Fernandezianus C. B. Clarke. 
Cyperus Fernandezianus Colla in Mem. Torino v. 39 (1836) p. 21, 
