Althenia. 159 



Subspec. er. eu-flliformis Aschers, et Graebner, Synops. mitteleurop. Fl. I. (1 897) 

 365. — A. füiformis Fr. Petit 1. c. (1829) sens. strict. ; Duval-Jouve in Bull. Soc. bot. 

 France XIX. (1872) p. LXXXVI. t. Y. fig. 1, 3, 5, 8; Hervier in Bull. Herb. Boiss. III. 

 app. I. (1895) 21. — Planta plerumque tenuis. Bhizoma 3 — 5 (rarius ad 1 0) cm 

 longum, supra limum repens, basi caulium foliosorum prophyllis membranaeeis. Caulis 

 abbreviatus plerumque 5 — 15 mm longus. Folia filiformia, supra plana, omnia (sub- 

 penicillatim) aggregata, vaginis tegentibus, sine fasciculis mechanicis (conf. Sauvageau!). 

 Fructus ovati, apice obtusi, marginibus alatis, in faciebus planis linea obliqua percursis. 

 Semen ovoideum. 



Europa und Nordafrik'a wie die Art. 



Subspec. ß. Barrandonii (Duval-Jouve) Aschers, et Graebner 1. c. (1897) 366. — 

 A. Barrandonii Duval-Jouve in Bull. Soc. bot. France XIX. (1872) p. LXXXVI. t. V. 

 fig. 2, 4, 6, 7; Hervier 1. c. (1895). — Planta robustior et major. Bhizoma ad 5 dm 

 longum, in limo repens, basi caulium sine prophyllis membranaeeis distinetis. Caulis 

 1 5 cm ad 5 dm longus, erectus, internodiis ad 4 cm longis. Folia setacea, pagina 

 superiore et inferiore convexa, apice filiforrni acuminala, remota vel in regione florifera 

 approximata, 2 fasciculis mechanicis marginalibus, vagina 8 — 12 fasciculis mechanicis 

 instruetis. Fructus ovati-lanceolati, apice et basi attenuati, marginibus incrassatis, in 

 paginis planis sine linea. Semina oblonga. • 



Europa: bisher nur in Süd-Frankreich in den Umgebungen von Montpellier und 

 Cette beobachtet. 



Sect. 2. Lepilaena (Drumra.) Aschers. 



Lepilaena Drumm. 1. c. (1855) sens. strict. pro gen. ; Aschers, in Engl, et Prantl, 

 Nat. Pflzfam. II. 1. (1887) 214 pro sect. — Character conf. p. 158. 



A. Stylus carpello multo brevior. Flores feminei in pedicellis 

 dein elongatis, perigonii segmentis ovatis, carpellis multo 



brevioribus 2. A. australis. 



B. Stylus filiformis, carpello longior. 



a. Flores feminei pedicellis vagina longioribus, perigonii seg- 

 mentis inconspieuis, carpellis fere aequilongis 3.-4. cylindrocarpa. 



b. Flores feminei pedicellis vagina brevioribus, perigonii seg- 

 mentis carpellis sublongioribus, conspieuis 4. A. Preissii. 



2. A. australis (J. Drumm.) Aschers, in Engl, et Prantl, Pflzfam. II. 1. (1887) 214. 

 ■ — Lepilaena australis J. Drumm. ex Harv. in Hook. Kew Journ. VII. (1855) 58. — 

 Caulis filiformis ramosissimus. Folia capillaria, subdilatata, basi vaginantia, serrulata. Planta 

 mascula foliis floralibus pluribus, basibus dilatatis stipularibus involucrum ca. 2 — 3 mm 

 longum formantibus; flores 2 — 3 inclusi. Flores basi I — 2 vaginis membranaeeis 

 stipularibus plerumque elaminatis, antheris sessilibus. Planta feminea foliis floralibus 

 basibus angustis stipularibus. Flores breviter pedicellati, pedicellis dein elongatis ad 

 3 — 6 mm. Perigonium non 1 mm longum, segmentis 3 ovatis. Carpella 3, oblonga, 

 apice anguslata, stylo breviore; stigma oblongum dilatatum. Fructus. non 2 mm longi 

 breviter stipitata. 



Australien: Swan river oder King Georges Sound (Drummond n. 100, 179, 

 184, 396); Hutt Biver (Oldfield). 



Tasmania: die von Hook er angegebene Zannichellia palustris gehört nach 

 F. v. Müller (vergl. Bentham, Fl. Austral. VII. [1878] 179) vielleicht hierher. 



3. A. cylindrocarpa (Körnicke) Aschers, in Engl, et Prantl, Pflzfam. II. 1. (1887) 

 214. — Zannichellia cylindrocarpa Körnicke in Walp. Annal. VI. (1860) 3. — Lepi- 

 laena cylindrocarpa Benth. Fl. austral. VII. (1878) 180. — Hexatheca australis Sonder 

 ex Menth. 1. c. (1878). — Caulis filiformis et folia A. australi similes, sed bases folio- 

 rum vix dilatatae et vaginae stipulares foliorum floralium multo angustiores. Flores 



