STIPEAK FLATENSES 



15 



r>. Oryzopsis nnpo§ta«'usiN Sppg., n. .•*p . 



0. Oryzopsis napostaijnsis Speg. 



a. Spicula 1/1 var. typica. 



b. Flnsculus 1, 1 » 



c. Flosculus 3 1 3 j 



il. Spicula t '1 3 brncli}'spei-ma. 

 G. Flosciilus 1/1 > 5 



t. Flosculus 3,1 > > 



Diafi. Glumac mediocres, lanccolatao 

 flosculo subduplo longiores, 3-5-nerves, 

 Yiolascentes; flnsculus cylindraccus c ca- 

 stanco umbrinus non nitens; corona hori- 

 zontaiisbrcvissima annulato-cupuliformis, 

 acie velutino-ciliolata; anthopodium te- 

 res acutissimum, flosculi dianietrum4-5- 

 plo supcrans, dense adpresscque rufo-vil- 

 losum; arista persistcns 8-9-plo floscu- 

 lo longior, infra medium et ad quartum 

 innmuni gcniculata. Culmi foha capilla- 

 ria V. setacea sublacvia longc superan- 

 te; panicula depauperata relaxata nutans 

 vaginata. 



Hab . In aridis australioribus prov. 

 B. Aircs inter Sierra de Card-nudal et 

 Rio Ncc/ro, per ann . 1895-99. 



Obs. Perennis caespitosula, caespiti- 

 bus quandoque elongatis relaxatis (150-200 

 mm alt. — 50-80 mm diam.), quandoque 

 abbreviatis contractis (30-70 mmalt. et 

 diani .). 



Calmi folia semper longc supcrantes (200-500 mm alt.— 0,5- 

 1 mm diam.) teretes, glaberrimi non scabri , sursum leniter striati, 

 remote 2-3-foIiati, nodis non v. vix incrassatulis rufescentibus gla. 

 bris(iue . 



Folia omnia isomorplia, subl^crbacea rigidula viridi-glaucescen- 

 tia, limbis capillaribus v. setaceis complicatis (25-150 mmIong.= 



