Ventenata. GRAMiNEiE 539 



Sect. J. EUVENTENATA. — Spicul.-e laxc paniculatre. 



1. V. dubia (Leers sub ^z;e/«a 17751 annua, culmis sjepe fascicu- 

 lalis erectis tenuibus, foliis anguste lincaribus erectis tandem convo- 

 lulis brevibus, ligula oblonga, [)auiculse laxoe aequalis pyramidatje 

 ramis semiverticillatis tenuissimis asperis inferneionge deruidalis, spi- 

 culis 2-5 terminalibus approximatis breviter pediccllatis, glumis 

 prominule 7-9-nerviis ad nervos scabris oblongo-lanceolatis acumi- 

 natis inferiore tertia parte breviore, glumella iloris infcrioris in aris- 

 tam terminalem attenuata, florum superiorum basi in stipitem linea- 

 rem villosum attenuala apice biarislata et dorso ad medium arisla 

 flore longiore instructa Q.Avena teuiiis Maench. — Aveua triaristata 

 Vilh. — V. avenacea Kicl. — Trisetum teniie R. et Sch. — Host 

 Gram. t. 58. — Rchb. Germ. fig. 197. 



Hab. in collibus et moiitrsis sterilibus, Macedonia et Thracia (Griseb !\ 

 Plirygia ad Kaiaghcul Der< prope Ouchak 2000" (Bal. 13o7!j, Trauscaucusia 

 (exGriseb.). 



Ar. Geogr. Hispania australis, GaUia centralis et australis, Belgiura, Ger- 

 mania occidentalis et australis, Italia, regio Danubialis, Serbia, Hossia 

 australis, Africa borealis in montanis. 



2. V. subenervis (Boiss. et Bal. Bull. Soc. Bot. Fr. IV,p. 305) 

 annua, culmis interdum fasciculatis erectis tenuibus, foliis angustc 

 linearibus convolutis brevissimis, ligula oblonga, paniculce laxjB 

 aequalis pyramidatse ramis semiverticillatis tenuissimisasperis inferne 

 longiuscule denudatis, spiculis solitariis vel 2-8-confertis hreviter 

 pedicellatis, glumis obsolete S-5-nerviis sublaBvibus lanceolatis longe 

 altenuato aristatis inferiore dimidio breviore, glumellci floris inferio- 

 ris longe atlenuato-arislata, florum superiorum basi in stipitem villo- 

 sum attenuala apice biaristata et ad medium dorsum arista flosculo 

 longiore instructa ©. 



Ilab. in Smyrnse collibus incultis (Bal. 7!), ad Kaiagheul Dere Phrygi» 

 2000' (Bal. 133G!}. 

 Facies prrccedentis a qua glumarum characteribns optime distinguitur. 



3. V. Blanchei. annua, culmis erectis tenuibus, foliis anguste 

 Ilnearibus vixconvolutis, ligula oblonga, panicula^ lax^e ;e([ualis pyra- 

 midatoe ramis semiverticillatis tcnuibns asperrimis, spiculis pedicel- 

 lis incrassatis brevibus suffultis 2-3 tcrmiualibus confertis bifloris, 

 flosculo superiore ad rudimeutum muticum reducto. gluuiis lancco- 

 latis longe acuminatis ad nervos elevatos valde scahris iuferiore sub- 

 triplo breviore uninervi superiore trinervi, glumella floris forlilis 

 longe attenuato-aristata dem.um convolula el supcrne valde scahrida 

 iufra medium dorsum arista contorla et divergenti ca sesquilongiore 

 instrucla Q. 



