a. Spiculae Q 4— 8 cm longae flexuosae. Squamae Q 

 lineari-lanceolatae acuminatae. Utriculi parce resinosi 



C. Gaudkliaadiana X polynuiha. 

 (j. Spiculae Q breviores non flexuosae. Squamae Q 

 oblongo-ovatae obtusae vel acutiusculae. Utriculi laeves 



G. Goodenoughii X gracilis. 

 C. Goodenoughii X rigida Kiikenth. in Aschers. et Graebner, Synops. II. 2. 

 (1902) 101; Ostenfeld, Fl. arct. (1902) 72. — C. decolorans Wimm. in 27. .Tahrber. 

 schles. Ges. f. 1849 (1850) 81 et in Flora XXXIII. (1850) 622. — C. hyperborea 

 Wimm. Fl. Schles. ed. 3. (1857) 84; Fiek, Fl. Schles. (1881) 485, non Drejer. — 

 C. rigida X vulgaris Kiikenth. in Deutsch. bot. Monatsschr. XV. (189 7) 71. — C. vul- 

 garis var. pseudohyperborea Sagorski ex Kiikenth. 1. c. — Khizoma stoloniferum. Culmus 

 10 — 30 cm altus rigidulus acutangulus superne scaber. Folia latiora quam in G. Goode- 

 noughii, sed minus rigida quam in G. rigida. Spiculae plerumque 4, terminalis cf, 

 laterales Q breviter cylindricae approximatae, sessiles vel ima remotiuscula breviter 

 pedunculata. Bractea ima saepe foliacea culmum aequans. Squamae § latae ovatae 

 obtusae nigricantes. Utriculi squamas paullo superantes ovati compressi subenervii 

 plerumque sterjles. 



Auf feuchten Bergwiesen an vielen Stellen der hoheren Gebirge Europas mit den 

 Eltern: Schottland; Norwegen; Schweden; Riesengebirge; Tatra; Brocken. — Gronland. 

 Formas tres observavi. 



A. super- Goodenoughii Kiikenth. — C. caespitosa [i. elliptim Drejer, Revis. 

 Car. bor. (1841) 38; Fl. dan. t. 2845. — C. bolina 0. F. Lang in Linnaea XXIV. 

 (1851) 551. — ('. rulgaris var. bolina K. Richt. PI. europ. I. (1890) 156. — 

 G. (turfosa Fr. var.?) groenlandica Lange, Consp. Fl. groenl. ed. 2. (1890) 144. — 

 Rhizoma stolones baud crassos emittens. Culmus subrigidus. Folia culmum saepe 

 superantia angustiora plana rarius marginibus inv.du ;i subllaecida. ISractea ima foliacea. 

 Squamae Q utriculis angustiores. Utriculi obsolete nervosi. 



Schottland: Forfarshire, White Water ober Glen Doll (E.S.Marshall n. 2752!, 

 2760!); Argyle, Kingshouse (Marshall!). Norwegen: Dovrefjeld bei Kongsvold 

 (0. F. Lang!, W. Baur!). Riesengebirge: Wiesenbaude (Figert!, Sagorski!), 

 Pantschewiese (C. Scholz!, Figert apud Kneucker n. 338!), Hiesengrund (Figert!), 

 Iserwiese (Wimmer!), Kleine Seiffengrube (Wimmer!), Dreisteine (Wimmer!), Grenz- 

 baude (G. Schneider!), Schlingelbaude (Wimmer!). Tatra: Am Weiflen See (Ascher- 

 son!). Brocken (Kiikenthal!). Gronland: Igaliko (Vahl!). 



B. super-rigida Kiikenth. — C. compaeta Krocker apud Hoppe, Caric. germ. 

 (1826)37. — Rhizoma stolones crassos emittens. Culmus rigidus. Folia culmo breviora 

 latiora marginibus revoluta rigidula erecta. Bractea ima setacea brevis rarius foliacea. 

 Squamae Q latiores utriculos fere obtegentes. Utriculi enervii. 



Riesengebirge: Schlingelbaude (Wimmer!), WeiJJe Wiese (C. Scholz!, Figert!), 

 Iserwiese (Wimmer!). 



C. perjuneea Kiikenth. (= C. Goodenoughii var. jmm i ; rigida . — C. rigida 

 y. ripensis Almquisl in llarim. Bandb. Scand. Fl. ed. 11. (1879) 467 ex p.; cf. 

 Kiikenth. in Deutsch. bot. Monatsschr. XV. (1897) 72. — Rhizoma stolones validos 

 emittens. Culmus 30 — 45 cm altus ad basin vaginis brunneo-purpureis aphyllis integris 

 obtectus. Folia longa rigidula erecta. Spiculae angustiores longiores remotiores. 

 Bracteae foliaceae. 



Lappland (Andersson!). Nordschweden: Uerjedalen (C. G. Thedenius! ; 

 Jemtland bei Storli (!). — Brocken (Haussknecht!, Kiikenthal!). 



C. aquatilis X rigida Almquist apud Hjelt, Consp. Fl. fenn. III. (1895) 270. — 

 Rhizoma stolones validos emittens. Culmus 30— 50 cm altus rigidus obsolete triqueter 

 laevis basi vaginis aphyllis purpureis integris obtectus. Folia culmum subaequantia 



