STIPEAE PLATENSE.S 133 



38. f§>(i|»a leptotliera .Speg., n. sp. 



Diag . Glumae lanceolalae, iloseulo sat lon- 

 giores, 3-nerves, e virescenti violasccntes; flo- 

 sculus subfusoideus pubescens; corona subob- 

 soleta callosa pusilla; anthopodium diametrum 

 flosculi aequans v. vix superans villosum; ari- 

 sta decidua tenuis flosculo 5-7- plo longior. Cul- 

 mi graciles folia herbacea planiuscula laevia 

 longe superantes; panicula angusta vaginata 

 erecta v. nutans. 



IIi(l). hi pi-atis montanis et alpinis Ciiesta 

 c del Arca inter prov. Tacumdn et Salta, Dec. 



8. Stipaleptotheia Sreg. 189G Ct Fcbr. 1897. 



a. Spicula ' , . 



b. F:osculus ' , . 



c. Flosculus ■"■ 1 . „, T-» • 1 



Obs. Perenms, subcaespitosa, caespitibus 

 herbaceis laxis mediocribus v. parvis (150-250 mm alt. = 100-150 

 mm diam.) 



Culmi sat numerosi in quoque caespite, folia saepius longe su- 

 perantes (350-500 mm alt.=l- 1,25 mm diam.) intus semper toti me- 

 dulloso-farcti, glabri, non v. obsoletissime subscabri, Jongitrorsum 

 tenuiter striati, ad apiccm usque foliati, recti v. basi geniculato- 

 arcuati, 2-4-nodi, nodis non v. vix incrassatis subfuscescentibus 

 glabris. 



Folia. omnia isomorplia, in juvcntute subulato-convoluta, per aeta- 

 tem in vivo plus minusve applanatulo-aperta, in sicco laxe convo- 

 luta, viridia herbacea vix rigidula, limbis erectiusculis (25-150mm 

 long.= 1,25-2, 50 mm lat. apert.), dorso subtillime scaberulis, gla- 

 bris laevissimis v. vix obsolete striatis, ventre 5-9-nervis (interjec- 

 tis 2-6 alteris tenuioribus) ad nervos sparsc minutsque pilosulis, 



