— 758 — 



dos plus minus barbulati. Vaginae sulcato striatae, 

 ad basin fissae, pilosulae v. pubescentes v. glabre- 

 scentes v. margine tantum ciliatae, supremae magis 

 elongatae lamina minima terminatae. Ligula brevis, 

 ciliata. Folia e basi cordato - amplexicauli ovato- 

 lanceolata v. oblongo-lanceolata v. lanceolata, acu- 

 minata, supra initio puis adspersa tandem glabre- 

 scentia, subtus pilosa, margine basi tantum v. ad 

 medium v. a basi ad apicem ciliata, internodio lon- 

 giora v. breviora. Spicae saepissime digitato-con- 

 gestae, rarius singulae v. 1 — 4, terminales, e va- 

 gina suprema vix v. longe exsertae. Rhacheos in- 

 ternodia articulata, v. omnia série pilorum villosa 

 v. rarius infima glabra, spicula sesqui breviora. 

 Glumae praesertim apicem versus hispidulae, na- 

 viculars, dorso convexae, virides v. rufescentes; 

 inferior lanceolata, 7 — 9-nervis, acuminata, mu- 

 tica; superior paullo longior, lanceolata, magis acu- 

 minata, nervo dorsali nervisque lateralibus obso- 

 letioribus instructa. Flos inferior neuter, ad pa- 

 leam unicam lineari - lanceolatam membranaceam 

 enervem gluma plus duplo breviorem reductus. 

 Flos superior fertilis, bipaleaceus; palea inferior 

 lineari - lanceolata , membranacea, enervis, gluma 

 plus duplo brevior, apice bicuspis, basi aristata; 

 arista geniculata, vix torta, spiculam 2 — 3plo su- 

 perans v. rarius paullo tantum exserta; palea su- 

 perior minima. Ovarium oblongum. 



Tab. X fig. 15. Spicula, aucta. a. Gluma inferior, b. Glu- 

 ma superior, c. Arista. 



» » 16.Flosculi, aucti. a. Palea floris ne 1, ius. 

 b. Palea inferior floris fertilis cum arista 



