GRAMINE^ Phacelwus, 



PHACELURUS (Griseb. Spic. Rom. II, p. 423). 



Spiculse In racheos compressse subartlculalae excisuris biua?, altera 

 sessilis glumis binis liberis, altera pedicellata pedicello rachidi non 

 adnato, utraque biflora flosculo inferiore masculo superiore femineo 

 vel in spicula pedicellata quoque masculo. Giumae coriacefe lanceo- 

 lalffi inaequilaterales carinat». Glumella et palea tenuiter membra- 

 nacese lanceolatje aequilongse illa plurinervis, palea biuervis. Squa- 

 mulee binae cuneatee oblique truncatae inciso-dentatse. Stamina tria 

 antlieris longis. Styli lerminales, stigmata longa plumosa divcr- 

 gentia prope basin floris emergentia. Garyopsis... Herba perennis 

 elata, spiculis in spicas compressas longissimas laxas terminales vel 

 fasciculatas vel rarius solitarias dispositis. Genus affine Rotboel/ioe 

 quae differt spicis cylindricis nec compressis articulis facile seceden- 

 dibus apice profunde excavatis. 



1. P. digitatus (Siblh. et Sm. FI. Gra3C. I, tab. 92 sub Rot- 

 boellid) perennis, rhizomate crasso ramoso repente, turionibus squa- 

 mis ovatis multinerviis imbricatis vestitis, culmis proceris, folii& 

 late linearibus planis glaucis margine scabris ad vaginas inferiores 

 praesertim dense et adpressiuscule pilosis, spicis S-5 in paniculam 

 brevem dispositis unica interdum solitaria terminali slrictissimis 

 longis laxifioris, rachide elongatd, spiculis geminis dissitis superioris- 

 pexlicello interdum spiculse cequiloiigo, glumis lanceolatis acuminatis 

 elevatim nervosis scabridis inleriore longiore ^. P. di g i tat us Gnseh. 

 I. cit. p. 424. — Rottboellia Sandorii Friv. Flora 1835, p. 335. 



Hab. ad aquas, fossas regionis inferioris, Macedonia prope Stagyram 

 (Fried.), Vodena (Orpli!), Seres (Janka!), Thracia (Friv!), Bitiiynia ad Brus- 

 sam (Sibth.), Lydia prope Kassaba (Boiss !),et Magnesiam (Bal! 13!),Cataonia 

 in graminosis Giaurdagh prope Marasch (Haussk !). 



Gulmi 3-5-pedale.«, spicaj V»-l-pedales, gluma exterior 5-7 lineas longa 

 acuminata subpungens. 



Tr. IV. ORYZE.^. 



Spiculffi (in nostris) a latere compressse uniflorae hermaphroditse- 

 paniculatce rachi inflorescentioe non articulata. Glumae minimoe vel 

 nullse. Glumella et palea chartaeeae. Tribus Phalarideis affinis. 



LEERSIA (Soland. in Sw. FI. Ind. I, p. 119). 



Spiculse uniflorse spepe abortu steriles a latere compressse. Glumse 

 nullge. Glumella compresso-carinata rhulica clausa longitudine quin- 



