MALME, XYRIS L., UNTERGATTUNG NEMATOPUS (SEUBERT). 87 



lanceolata, oirciter 3 mm longa, intermediaä elliptic?e v. ovales, 

 8 — 10 mm longse, circiter 5 mm latse, obtusissimse v. fere 

 rotundatae. satis dilute ferrugineee, subopacae, minute tuber- 

 culatae, subintegerrimae, sub apice obtuse carinatse, area dor- 

 sali ovato-lanceolata, circiter 5 mm longa. Sepala lateralia 

 postice in parte fere dimidia inferiore connata, lanceolata, 

 9 — 10 mm longa, usque 1,5 mm lata, apice acuta et parce 

 villosa, ala carinali in partibus tertiis media summaque lace- 

 rato-fimbriata. 



Minas Geraes: Ouro Preto (Glaziou n. 15507). 



Var. glaucesceiis Malme. 



X. glaucescens Malme, in Feddk, Repert. spec. nov. V (1908), p. 102. 



Folia glaucescentia, ensiformi-linearia, 10 — 15 cm, rarius 

 usque 18 cm longa, 3 — 4 mm lata, oblique acuminata, utraque 

 acie laevigata, ccterum subtiliter transverse rugulosa, minus 

 distincte nervoso-striata, vagina tertiam fere partem folii 

 occupante, superne lamina pauHulo angustiore, ligula acuta 

 munita, stramineo-fulvescente v. fulvo-ferruginea, opaca, om- 

 nino eciliata. Scapi superne compressi et bicostati, 25 — 40 

 cm alti, 1 — 1,25 mm lati, in costis scabriduli, ceterum superne 

 sublsevigati, vagina basali 8 — 10 cm longa, in apiculum bre- 

 vem, acuminatum excurrente, inferne ferrugineo-castanea, 

 laevi (haud tuberculata), opaca. Spica obovoidea, 8 — 10 mm 

 longa, circiter 5 mm crassa, bracteae infimae late ellipticse, 

 circiter 4 mm longae, intermediae ovales, 7 — 8 mm longae, 

 4 — 4,5 mm latae, apice rotundatae v. obtusissimse, avellaneo- 

 fulvescentes v. dilute ferrugineo-fulvae, subopacae, fere inte- 

 gerrimae, sub apice obtuse carinatae, area dorsali ovato-lanceo- 

 lata, circiter 4 mm longa. Sepala lateralia postice in parte fere 

 dimidia inferiore connata, spathulato-lanceolata, circiter 7 mm 

 longa, 1,5 mm lata, apice obtusa v. saltem obtusiuscula, ala 

 carinali inferne nuda, superne pilis breviusculis, albidis, cre- 

 bris villosa. 



Minas Geraes: Serra da Lapa, in humidis graminosis 

 (Riedel n. 917). 



Diese Varietät weicht in mehreren Hinsichten (z. B. durch 

 die glanzlose Basalscheide der Blütenschäfte und den oben 

 zottigen Kiel der seitlichen Kelchblätter) von den übrigen 

 Formen der X. tmchyphylla ab und erinnert etwas an X. 



