18 Beiblatt zu den Botanischen Jahrbüchern. Nr. 68. 
Styli basis multum incrassata, tuberculiformis. 
Culmi mediocres. Rhizoma robustius . . . . . 3. E palustris. 
Culmi graciles. Rhizoma tenue, lignescens. 4. E. appendiculata. 
Styli basis anguste conica, sublinearis. . . 5. E. melanostachys. 
Spieula 22 mm longa, densissima . 7. E. nodulosa. 
Sect. I. Eu-Eleoeharis C. B. Clarke in Hook. f. Fl. Brit. Ind. 
v. 6 p. 628, in Urban Fl. Ind. Oceid. v. 2 p. 59. — Stylus 
3-fidus. 
Sect. Acieulares. Nux longitudinaliter costata, inter costas 
horizontaliter trabeculata. 
Culmi tenues aut capillacei. Spieulae 3—6 mm longae 8. E. acicularis. 
Culmi graciles nee capillacei. Spiculae 6—12 mm longae 9. E. Bonariensis. 
Sect. 2. Leiocarpieae. Nux levis, aut plus minus obscure 
reticulata. (Rhizoma repens.) 
Styli basis cum nuce aequilata . . . . .. s 40. E. pachycarpa. 
Stylibasis nuce angustior, cum Ji: parte nucis subaequi- 
lata. 
Spieula nigro-castanea. . 2 . . ee s s A1. E. albi-bracteata. 
Spicula fusce straminea, bruneseens . . . . . . . . 42. E. Lechlert. 
Styli-basis eum 1/4 parte nucis vix aequilata. 
Nux aureo-lutea. . . 2 4 2. s. s s s 1. E. montana. 
Nux alba; stylo-basis nigra. . 2 2 . 2. . 44. E melanomphala. 
1. E. maculosa R. Br. Prod. (1810) p. 224 in Obs.; Kunth Enum. 
v. 2 p. 146; €. D. Clarke in Urban Fl. Ind. Occid. v. 2 p. 64. 
Scirpus maculosus Vahl Enum. v. 2 p. 247. 
Heleocharis maculosa Boeck. in Linnaea v. 36 (1869—70) p. 460. 
Rhizoma repens. Culmi 40—35 em longi; vaginae apice scarioso- 
albae, detergibiles. Spieula 8—12 mm longa, ovoidea, castanea aut fusco- 
nigra, densiflora. Setae hypogynae 7—8, eum nuce subaequilongae, rufes- 
centes aut ferrugineae. Stylus 2-fidus. Nux obovoidea, apice angustala, 
plano-convexa, castanea, lucida, levis; stylobasis parva, conica, pallida aut 
lutescens., 
Distrib. A. Texas et Mexico usque ad Brasil. Australiorem sat 
frequens. 
Exemplum in Chile lectum visum est nullum. 
2. E. Vincentina C. B. Clarke. 
Heleocharis melanocarpa Philippi! in Linnaea v. 29 (1 857—8) p. 85; 
F. Phil. Cat. Pl. Chil. p. 308; non Boeck. 
H. Vincentina Philippi in Annal. Univ. Chile v. 93. (1896) p. 349. 
H. hyalinovaginata Philippi in Anal. Univ. Chile v. 93 (1896) p. 352. 
H. maculosa Desv. in €. Gay Chile v. 6 p. 172; F. Phil. Cat. Pl. 
Chil. p. 308. 
Isolepis fuscopurpurea Steud. Cyp. p. 99. 
Rhizoma tenue, horizontale, repens. Culmi caespitosi, 3 cm longi, pro 
longitudine robustiores rigidi; vaginae apice conspicue scarioso-albae; deter- 
sibiles. Spieula 4 mm longa, ovoidea, castanea aut fusce nigra. (um 
