94 



CAKOLU.S .SI'i:0.\Z/.I.M 



22. Stipa «cfigerA Prls. 



Siipd .•'digera Prcsl. noii aiict. Anie- 

 ricae nordieae!), Reliq. Haenkeanae, v. 

 I, p. 226 (1836).-=Iir1. Kow . \ . II, ].. 

 U99. 



Stipa neesiana Trin., Acl. Petrop., 

 Sor. VI, p. 27 ^846). 



Stipa intrieala Godr., Mem. Acad. 

 Montp., sect. med., I. p. 440 (1858).= 

 P. A.schers. & P. Graehn., Syn. d. 

 mitteleurop. Fi. bd.II, p. IIM (1899). 



Stipa neesiana Trin., Arech., ias 

 gram. urug., p. 252, n. 1 .1894;! = OK., 

 Rev. gen. plant. III, 2, p. .372, pro par- 

 te (1898)! 



2-J. Stipa setigera Pr 



a. Spicula \ , 



b. Floseulus ';, 



c. Flosculus '\ 

 il. Corona ' , 



Diag. Glumae elongato-lanceoiatae, 

 floscuiuni .subdupio superantes, 3-5" 

 nerves, hyaiinae v. vioiascentes; flo- 

 sculus teretiusculus paiiidu.-^ v. fuscus, 

 glaber, totus minute densequo papiiio- 

 sus; corona obconica v. cupuiiformis, 

 cailosa, brevis, concoior v. heterochroma, acie horizontaiis non v. 

 +ve denticuiata, nuda v. ciiiata, l^asi eximie constricta; anthopo- 

 pium floscuio 2-3-plovc iongius, aibo viliosum; arista persistens, 

 floscuio 7-8-pio iongior, pauio supra et infra medium geniculata. 

 Cuimi foiia e subconvoiuto applata -rve pubescenti-hirteiia, ^supe- 

 rantes, ad nodos retrorse hirsuti; panicula saepius -^ve depaupera- 

 ta et iaxa nutans. 



Hab. Vuigaiissima per totam paniparum pianitiem a Rio Negro 

 usque ad Salta; aest 1880-1900. 



