MALME, XYRIS L., UNTERGATTUNG NEMATOPUS (SEUBERT). 29 



^ — — Stirps (IV) X. paraensis — — — — p. 51. 



ß. Spica subglobosa et multiflora — subfusiformis 



et pauciflora. Bractese intermedise climidia spica 



longiores (rarius earn tantum fequantes). 



aa. Folia in vaginam abrupte abeuntia lamina multo 



latiorem. 



aaa. Bractese spicse area dorsali discolore destitutse. 



+ Folia uninervia, subteretia. (Spica satis 



multiflora, subglobosa.) — — — 



— — — Stirps (XXV) X. uninervis _____ — p, 99 



+ '^ Folia plurinervia. (Spica pauciflora.) 



^ Folia ensiformi-linearia, circiter 1,5 mm 

 lata. — — — — — — — — — — — 



— — — X. Columbiana (species recedens in stirpe X. siibu- 



latcB) ■ — — — — p. 40. 



■^■x- Folia subteretia, vix 1 mm. lata. 



o Folia vix 0,f> mm lata. Bractese spicse 

 opacse, tuberculatse, intermedise circi- 

 ter 5 mm longfce. 



— — — X. stenophylla (species recedens in stirpe X. su- 



hulatca) — — — — p. 40. 



00 Folia 0,5 — 1 mm lata. Bractese spicse 

 nitidse, Iseves, intermedise 6 — 7 mm 

 longse. — — — 



— — — X. quinquenervis (species nonniliil recedens in stirpe 



X. rigidce) — p. 98. 



ßßß. Bractese area dorsali notatse. 



+ Folia teretia v. leviter complanata (1,5 — 2,5 

 mm lata), nervis numerosis (plus quam 10) 



, percursa. — — — — — — — — — 



Stirps (XXIV) X. rigidce p. 93. 



++ Folia teretia (usque 1 mm crassa) — anguste 

 ensiformi-linearia, nervis paucis, rarius usque 

 10 percursa. 

 ^ Carina sepalorum lateralium superne 



(pilis vulgo albidis) villosa. — — 



Stirps (XXIV) X. rigidce p. 93. 



^■x- Ala carinalis subnuda v. ciliato-scabri- 

 dula (rarius serrulato-fimbriata). 



o Folia teretia v. leviter tantum com- 

 planata, vix 1 mm lata. 



