Botanique. S T I P A. 51 



inaeqiiales, S-nervcs, splondcntcs, albac aut amctlivstinac, infcrior ma- 

 jor, y ^ — 11 lincalis, supcrior 6 — 8 lincalis. Falviilite insidcntcs sti- 

 piti ohconico, basi rctrorsum curvato ct nudo, dcin circunicirca albo- 

 piloso, valvulis tcrtinin partem breviori; inferior coriacca, infcrnc paul- 

 lo densius, supcrius viv aut dissitisslme brcvcpilosula, lactc spadicca, 

 superior membranacca, acquilonga, acuta, dissitiusculc bincrvis. Aathe- 

 rae 3, lineares. Lodicnlae sqq. 3, obtusae. 



Obs. Stipa setacca II. Br., cujus descriptio lianc potius (|uam Stipaiii 

 commutatam indicat, diffcrt nodis glabris et aristis nudis. 



32. Stipa semibarbata R.Br. ProcU-. (1810) p. 174. RS. Syst. 2. p. 336. 

 Kuntli Agr. syn. p. 183. Paniculac coarctatae radiis subternis, 

 aliis fere a basi, aliis supcrius florifcris; glumis acuniinato-subu- 

 latis, paullo iiiacqualil)us, valvulis ki linealibiis, pilosulis subdiiplo 

 longioribus; arista pcrsistentc, torta, flexuosula, superne genicula- 

 ta, ad genicnlum usque breveplumosa , Jere iripoliicari; antheris 

 paucisctosis. 

 Terra A an Diemen. (RHr. Hookcrl) 



Valde afiinis Stipac molli, scd satis distincta: panicula minori^ mi- 

 nus densa, glumis subcoloratis et aristis geniculato-infraclis, ultra ge- 

 niculum strictissimis. 



Radix fibrosa, perennis. Cuhnus cum panicula scsquipcdalis, simplex, 

 erectus, nodis brcvissimc pubcsccntihus. Vaginae infcriorcs puberulae, 

 superiores internodiis parum hreviores, glahrac, ad ligulam dcnse bar- 

 batae. Folia lincari-convoluta, filiformia, spitbamca, scahriuscula. Pa- 

 nicula e vagina ultiina fcre exserta, in spcciinine suppetentc 5-ppllica- 

 ris. Glumae 8 — 10 lincas longae. Valvulae acquilongae, cxtcrior fere 

 ad apicein usquc pilis accumhcntibus, alhidis, satis dcnsis tecta, apice 

 ecoronata. Stam. 3. 



