18 CAHOLLS SPEGAZZINl 



fle Pataoiones, Febr. 1898 et prope Sierra cle CurO-malal , Der . 

 ISOO (C. S. ). 



Obs. Sjjicalac scmper orcctiusculac laclii adprcssac; glumi* ut 

 \n lypo scd iniiiorilKis (infcra 14-13 iiini lr>ng. = 2,5 mm lat.= 

 .«upcra 13-1.3 mni Inng. — 2 mni lat.); flo.^culis obconico-.^suho- 

 bovati.'? (cum anthopodio ct arista .D-dO mm Iong. = cum antho- 

 podio ot corona ."-5,25 mm long. = .«inc antiiopodio ct corona .'■ 

 mm long. = l,15mm diam.), glumella infcra non v. vix inac- 

 quilatcrali apice truncato- rotundata atquc ?;ubimperpicuc papilla- 

 ta, antliDpodio pallido (2-2,5 mm long.), villi.s pallide ferruglneis 

 non V. vix nitcntibu.^i ad medium fcrc u.S(|ue glumcUam obtcgcMiti- 

 bus vcstito . 



Ari^ta crassiuscula .=ubcentralis pcrsistens (45-55 mm long.) 

 nuda, non v. vix pubescens, 2-geniculata, geniculo supcro valde 

 infra medium, infero ad quintum posticum sitis, parte suprema rec- 

 ta , rcliquam infcram. nosculo addito. lonirc supcrante . 



Corona ut in tipo . 



Varietas ad Or. bicolorem ;Vahl) vergens . 



n. PIPTATHERUM fBcaav.) 



C/iar . Glumac nosculum supcrantcs; nosculus obovatu=: inacqui- 

 latcralis, gibliosus, latcrc compressus, gluniclla infcra margini" 

 bus subvalvatim adnexis, non supcrpositis, supcra subaequilonga 

 coriacclla mcdio longitrorsum 2-ncrvo>o - i'nrinata atque 1-suIca- 

 ta; corona +vc cvoliUa, pulviniforiHi.<; antliiiiiodium brevissimum 

 annulo-umboniforme apicc Iruncato-umbilicatum glabrum; arista 

 +VC cxccntrica nuda scaberula . 



