194 



Fr. Buchenau. — Juncaceae. 



Fig. 94. June, diffusissimus Buckley. A Planta 

 fruetifera. B Pars laminae a latere visa. C Flos 

 cum bracteä et fruetu. I) Tepala duo cum sta- 

 mme. E Fructus maturus. F Fructus horizonta- 

 liter sectus cum diagrammate floris. 0, H Semina 

 matura. — Alabama; leg. Jewett. (Origin.). 



attenuatus, obtusus vel acutiusculus, nitidus, vitel- 

 linus vel ferrugineus; semina 0,35 usque 0,4 mm 

 longa, obovata, brevissime mucronata, vitellina, 

 subregulariter reticulata. 



Provinz des Mississippi-Waldes bis 

 zur atlantischen Küste: In Gräben, an Sumpf- 

 rändern und Deichen, besonders in den Mississippi- 

 Staaten bis Carolina, Georgia und Texas. 



107. J. robustus Goville in Britt. and 

 , Brown, 111. Fl. N. Un. St. I. (1896) 395, f. 957. 



— /. acuminatus Michx. var. robustus Engelm. 

 in Trans. St. Louis Ac. II. (1 868} 463 ; Buchenau, 

 Monogr. Juncac. (1890) 334; Goville in Gontrib. 

 ün. St. Nat. Herb. II. (1894) 449. — Strictus. 

 Gaules firmi, stricti, usque ad inflorescentiam 

 30 usque 100 cm alti, diam. 2 usque 4 mm, 

 etiam superne foliati. Folia 20 usque 60 cm 

 longa, diam. 2 usque 3,5 mm, ereeta, robusta, 

 septis valde prominentibus. Inflorescentia an- 

 thelata; rami plus minusve patentes; capitula 

 numerosa, discreta, pauci- (2- usque 1 0-)flora, 

 stramineo-fusca. Flores ca. 2,5 mm longa; tepala 

 lanceolato-subulata, aequilonga; stamina 3, tepalis 

 ca. y 3 breviora. Fructus triqueter, ovato-pris- 

 maticus, muticus vel brevissime mucronatus, 

 tepala aequans vel (usque y 3 ) superans, nitidus, 

 ferrugineus; semina gracilia, fusiformi-ovata, 

 vitellina, subregulariter reticulata. 



Auf feuchten Wiesen und nassen Stellen im 

 Mississippi-Thale vom südlichen Illinois bis 

 zum östlichen Texas. 



108. J. Elliottii Chapman, Fl. south. Un. 



St. ed. 1. (1860) 494 (ed. 2. immutata [1865]; 



ed. 3. [1897] 521). — /. acuminatus Elliott, 



Sketch, bot. S. Garol. and Georgia I. (1816 — 24) 



408. Engelm. in Trans. St. Louis Ac. II. (1868) 



462; Buchenau, Monogr. June. (4 890) 331 et 



Flora LXXIV. (l 891) 78 (tubera radicum) ; Covillein 



Gontrib. Un. St. Nat. Herb. II. (1894) 450; Small, 



Fl. Southeast. Un. St. (1903) 261. — Gracilis, 



rarius validus. Viridis, basi saepe purpurascens. 



Gaules erecti, graciles, 3 usque 50 (rarius 70) cm 



alti, 1- vel 2-foliati. Folia caule breviora; lamina 



8 usque 15 (raro 25) cm longa, septis externe 



manifestis. Inflorescentia ereeta, supradecom- 



posita, anthelata, aperta; capitula numerosa, 



hemisphaerica, 2- usque 5- (raro 9-)flora. Flores 



cum fruetu ca. 3 mm longi; tepala aequilonga, 



ovato-lanceolata, acutissima, saepe rubescentia vel 



ferruginea; stamina 3, tepalis ca. 1 / 3 breviora. 



Fructus perigonio longior, late trigono-ovatus, 



obtusus, vix mucronatus, nitidus, castaneus ; 



semina ca. 0,5 mm longa, fusiformia, fere casta- 



nea, rectangulariter reticulata. 



