Tetrapogon. gramine^ 555 



unicam quadrifariam simulanlibus. — Genus a Chloride inflorescenlia 

 etspiculse flosculis pluribus (neQ unico) ferlilibus vix distinctiim. 



1. T. villosus (Desf. Alt. II, 389, lab. 255) perenne cespilosum, 

 rhizomate crassiusculo polyphyllo, culmis ereclis ultra medium spar- 

 sim foliatis, foliis glabris anguste linearibus canalicnlatis radicalibus 

 in fasciculos subdisliche congestis, ligulabrevi ciliata, spicis binis fer- 

 minaiibus erectis vel distinctis vel inter se plus minus coalilis, glu- 

 mis lanceolatis inferiore acula superiore ex apice rolundato mucro- 

 nata, glumella obovala obtusa dorso pilis copiosis sericeis longis 

 obsHa sub apice obtuso vel retuso arista subduplo longiore aucta, 

 glumldla ttorum neulrorum glabrescente obovato-rotunda brevius 

 aristata % CMoris villosa Pers. Syn. I, 87. — Jaub. et Sp. III. Gr. 

 tab. 327. 



Hab. in mpestribus deserti ^gyptiaco-Arabici ad Ouadi Rigle et Ouadi 

 As (Schweitif ), vallium Sinaiticarum (Bove! Schimp. 155! Boiss!), insuia, 

 Kichma Persiai australis (Auch. 3001 !), Affghaniae ad Bolan (Griff. Journ. 

 184!). in valle Kurruni (Aitch. 14). 



Ar. Geogr. Africa Jaorealis interior, Abyssiiiia, Arabia tropica, India boreali- 

 occidentalis, insulae Cauarienses. 



ELEUSINE (G^rln. Fract. I, 8). 



Spiculse secus spicae rachidis planse dilalatae faciem exteriorem uni- 

 laterales alternte sessiles a lalere compressse 2-multiflorse herma- 

 phrodittO flore superiore labescente. Glumee 2 carinata) membra- 

 naceae mutic» flosculis breviores. Glumella carinata navicularis 

 Irinervis mulica, palea bicarinata plicata. Squamuloe binre truncato- 

 bilobae glabroe.Styli 2 terminales elongati,sligmata plumosa.Garyopsis 

 libera glabra subrotunda subcompressa ad basin ventris hilo puncti- 

 formi notala Iransversim rugosa pericarpio pius minus solul^ili. — 

 Herbse spicis digitatim paniculatis. 



1. E. Indica (L. Sp. 106 sub Ci/7iosuro) annua.culmis compressis 

 inferne ramosis, foliis glabris planis, ligula pilosa, spicis longis digi- 

 tatis striclis 3-5floris, gluma supcriore glumellaque glabris oblongis 

 aculiusculis nervis lateralibus carincc scabridtT approximatis Q. E. 

 Indica Gcertn. I. cit. — Lam. III. tab. 48. — Trin. Ic. 6, tab. 71. 



Hab. iii vias et in cultis hinc inde inlroducta, Byzautium (Cust !), Trans- 

 caucasia in Guria (Szov !), Persia borealis ad Enzeli ad Caspium (Bulise!), 

 Pontus Lazicus ad Rhize forma prostrata culmis brevibns cespitosis panicula 

 2-3-spicata (Bal !). 



Ar. Geogr. Regiones subtropica; et tropicoe totius orbis. 



2. E. flagellifera (Nees in Royle herb.) perennis glauca, culmis 

 e rhizomate crasso plurihus proslralis flngelliformibus prolifere ct 

 divaricdlim ramosis ad nodos bulboso-incrassatis, foliis anguste linea- 



