Scirpus Tabernaemontani Gmel. Fl. Badensis I (1805) p. 101; Ledeb. Fl. Alt. I, p. 66; 

 Turczan. Cat. Baical. no. 1194; Ledeb. Fl. Ross. IV, p. 248; Turczan. Fl. Baical.-Dahur. 

 (1855, II) p. 313, no. 1207. Scirpus laciistris L. var. Tabernaemontani (Gmel.) Doll, Rhein. 

 Fl. (1843) p. 165; KptM. Oj. a.it. VI (1912) p. 1426. 



Common on the borders of swamps, etc., on the Abakan Steppe. In full flower in 

 June. In the Urjankai country, in swamps on the Dora Steppe, near the Bei-kem. 



Distribution: The greater part of Europe, south-western Asia, Siberia, northern 

 Mongolia, the Himalayas, eastern Asia, North America, Africa, Australia. 



Scirpus ruhis (Huds.) Schrad. Fl. Germ. I (1806) p. 133; KpBiji. (Dji. Ajit. VI (1912) 

 p. 1429. Blysmtis rufus Link, Hort. Berol. I (1827) p. 278; Ledeb. Fl. Ross. IV, p. 261; 

 Turczan. Fl. Baical.-Dahur. (1855, II) p. 320, no. 1219. Schoenus rufus Huds. Fl. Angl. 

 (1762) p. 15; Ledeb. Fl. Alt. I, p. 63; Turczan. Cat. Baical. no. 1188. 

 subspec. exilis nov. subspec. [Tab. I, Fig. 2]. 



Praecipue ab forma typica dif- 

 fert spiculis minoribus, 2,5-3 mm. 

 longis, singulos fere flores feren- 

 tibus. 



Rhizoma longum, repens. Cul- 

 mi numerosi, 15-25 cm. vel rarius 

 ad W cm., alti graciles, subtereles, 

 superne tantummodo leviter trigoni, 

 0,5-1 mm. in diam., sicci uiique 

 leviter sulcati, ad basim vaginis 

 fuscis, obtusis vestiti. Folia rigida, 

 erecta culmo dimidio fere brevio- 

 ra sive aliquantulo longiora, satis 

 crassa, superne leviter canaliculata, 

 angusla, 0,5-1 mm. lata, apice plus 

 minus obtusa, glabra sive apicem 

 versus marginibus leviter scabris, 

 colore, ut culmus, pallide galbino. 

 Inflorescentia 0,5-1,5 cm. long a. Spi- 

 culae fuscae, oblonge ovatae, parvu- 

 lae, 2,5-3 mm. longae. Numerus 

 spiculariim inter 1 et 5 varians, 

 saepius 2-k, rarius 5. Spiculae flores 

 singulos interdum eiiam rudimentum 

 floris superioris gerentes,; rarissime 

 duo flores in una alque eadem spicula. 

 Bracleae infimae saepius parvulae, squamiformes; rarissime reliquis longiores et brevis- 



Fig. 84. Scirpus rufus (Huds.) Schrad. subspec. exilis 



nov. subspec. (^/i). a and f. Achenes. — b, c, g, ]i. Glumes. 



d, i, k. Different forms of bracts. — e. Spikelet. 



171 



