86 ARKIV FÖR BOTANIK. BAND 13. N:0 3. 



rum valde tuberculatis (etiam in nervis), vagina fere tertiam 

 partem folii occupante, spica (ellipsoidea) 11 — 13 mm longa, 

 5 — 6 mm crassa, bracteis intermediis (ellipticis) circiter 10 

 mm longis, 4 — 4,5 mm latis, obscure fulvo-ferrugineis v. fere 

 castaneis, superne crebrius tuberculatis, apice paullum lace- 

 ratis et nonnumquam pilis longis, albidis, crispulis, raris or- 

 natis, sepalis lateralibus circiter 10 mm longis, apice acutis 

 v. acutiusculis (et parce villosis), ala carinali etiam superne 

 angusta, serrato-ciliata. 



Minas Geraes: Serra da Lapa (Riedel). 



Forma itacolumitica Malme n. f. 



Recedit a forma primaria aciebus foliorum (saltem adul- 

 tiorum) tantum apicem folii versus scabridis, ceterum Isevi- 

 gatis, nervis vulgo magis prominentibus et ssepe fere Isevigatis. 



Minas Geraes: Serra da Cachoeira s. Serra da Cara^a 

 (Sellow b. 1302); Itacolumi, in summo monte (Schenck n. 

 3663; Schwacke n. 9074); Ouro Preto (Glaziou n. 15508) 

 s. Villa Rica (Pohl n. 3701); (Langsdorff). 



Hane formam foliis latioribus, 12 — 16 cm longis, 4 — 5 

 mm latis, in Serra de Ouro Branco legit Schenck (n. 3509). 



Var. subgiaucescens Malme n. var. 



Folia glaucescentia, ensiformi-lanceolata v. linearia, 10 

 — 15 cm longa, circiter 5 mm lata, acutiuscula, apice falcato- 

 curvato, utraque acie tuberculis minutis scabridula, ceterum 

 satis subtiliter tuberculata v. transverse rugulosa, in vaginam 

 abeuntia tertiam partem folii occupante, ligula acutiuscula 

 munitam, superne lamina paullulo angustiorem, stramineo- 

 fulvescentem, opacam, fere omnino eciliatam v. inferne parce 

 ciliatam. Scapi superne compressi et conspicue bicostati, 

 30—40 cm alti, 1,5 — 2 mm lati, in costis scabridi, ceterum 

 minutissime tuberculati v. Isevigati, vagina basali 7 — 9 cm 

 longa, in apiculum brevem, obtusum excurrente, inferne 

 castanea nitidaque. Spica satis pauciflora, ellipsoidea, 10 — 12 

 mm longa, 5—6 mm crassa; bractese infimse ovatse v. ovato- 

 ovales, circiter 5 mm longae, apice subrotundatae, area dorsali 



