Carex. 351 



37. Caxex riparia Curt. Lond, 4. t. 60. Schk. Car. t. Qq. 

 et Rr. f. 105. Engl. Bot. t. 579. Fior. Dan. 1. 1218. 



Radice repentcj culmo triquetro, angulis scabro; spi- 

 cis masculis 3 — 5, crassis, trigonisj femineis 3 — 4, cy- 

 lindricis, erectis, densifloris, sessilibus peduuculatisve; 

 apice saepe masculis; bracteis foliaceis, evaginatis; stig- 

 matibus 3; utriculis oblongis, apice attenuato-rostratis, 

 hinc planis, inde convexo-obtusangulis, subcoriaceis, ner- 

 vosis, punctnlatis, glabris, squamam ovato-oblongam acu- 

 minato-aristatam rix superantibus; rostro acute bidentato. 



C. crassa Ehrh. Beitr. 4. 43. Host. Gram. 1, t. 93. 



In aqnis fossarum et ripa fluminnm et rivu- 

 lorum. (Thicrgarte n, Jungfernheide, Spaudau, 

 Fuchsberge, Treptow, caet.) Floret Majo, Ju- 

 nio. 2|. 



Omnium robustior; folia triplo latiora, quam in prae- 

 cedente. Squaraae jjlabrae, carina virides, marg^iuibus 

 sanguineo-fuscae. Utricnli olivacei. 



16) Spicae raasculae 1 — 3; femineae 1 — 4. Utriculi 

 ventricosi, roslrati, rostro bicuspidato, nervosi, glabri, 

 saepissime membranacei, squamam plerumque aristatam 

 multo snperantes. 



38. Carex ampullacea Good. in Linn. Trans. 2. 207. 

 Schk. Car. t. Tt. f. 107. Engl. Bot. t. 780. Host. 



Gram. 1. t. 99. 



Radice repente; culmo trigono, g-labro; spicis mascn- 

 lis 1 — 3; femineis2 — 3, reraotis, elongato-cylindricis, pe- 

 dunculatis, ercctis, densifloris; bracteis foliaceis, evagi- 

 natis; stigmatibus 3; ntriculis subglobosis, inflatis, rostra- 

 tis, membranaceis, nervosis, punctulatis, glabris, squa- 

 mam oblongam angustato-acutiusculam superautibus; ro- 

 stro bicuspidato. 



C. obtusangula Ehrh. Calam. 50. 



C. vesicaria Huds. Angl. 413. 



C. vesicaria /5 Linn. Suec. «. 856. Ejusd. Spec. 1389. 



