— 307 — 



e) Sectio Echinochloa. 



417. P. eolonum L. 



L. Syst. nat. ed. X. p. 870 (1759), Benth. Fl. Austr. VII. 478 (1878), F. M. Bail. Syn. Queensl. Fl. 623 (1883), Catal. 

 Plants Queensl. 54 (1890), in Queensl. Agric. Journ. IV. 364 t. 104 (1899), Queensl. Fl. VI. 1825 (1902), Compreh. Catal. 604 

 (1913), F. v. Muell. First Census 130 (1882), See. Census 219 (1889), J. H. Maid. Usef. PI. Austr. 96 (1889), Hook. f. Fl. 

 Brit. Ind. VII. 32 (1897), Turner in Proc. Linn. Soc. N. S. Wales XXVIII. 307, 440 (1903), XXIX. 177 (1904), XXX. 86 (1905), 

 Cheesem. Man. New Zeal. Fl. 1089 (1906). 



Echinochloa eolonum P. Beauv. Agrost. 53 (1812). 



Oplismenus colonus H. B. und K. Nov. Gen. I- 108 (1815). 



Panicum Crus-galli var. colonus Coss. Expl. Alger. 28 (1846—67). 



Geogr. Verbreitung: pantropisch und subtropisch. — In Australien in Nord - Australien, 

 Queensland und N. S. Wales. 



Queensland: bei Gairns seltener; bei Harveys Creek ; beiAtherton; Chillagoe; Charters Towers 

 (als Unkraut) ; bei Hughenden verbreitet (kommt auch auf den Grasflächen der Rolling Downs vor) (Domin, 

 XII. 1909— III. 1910). 



418. P. cpus g-alli L. 



L. Spec. pl. 56 (1753), R. Br. Prodr. 191 (1810), F. v. Muell. Fragm. VIII. 198 (1874) p. p., First Census 130 (1882), 

 See. Census 219 (1889), in Landsbor. Explor. Austr. 122, Benth. Fl. Austr. VII. 479 (1878), F. M. Bail. und Staiger Illustr. 

 Mon. Grass. Queensl. tab. (1879), F. M. Bail. Syn. Queensl. Fl. 624 (1883), in Proc. Roy. Soc. Queensl. I. 75 (1884), Rep. 

 Gov. Sei. Exp. Bellenden-Ker 69 (1889) , Catal. Plants Queensl. 54 (1890) , Queensl. Fl. VI. 1826 (1902) , Compreh. Catal. 604 

 (1913), J. H. Maid. Usef. PI. Austr. 96 (1889), Man. Grass. N. S. Wales 38 (1898), in Proc. Linn. Soc. N. S. Wales (Fl. Norf. 

 Isl.) XXIX. 725 (1904), Täte Handb. Fl. Extratr. South Austr. 190, 266 (1890), Moore Handb. Fl. N. S. Wales 471 (1893), 

 Mc Keown Experim. Grasses (Agric. Gaz. N. S. Wales) 4 (1896), Hook. f. Fl. Brit. Ind. VII. 30 (1897), Aschers, und Graebn. 

 Syn. mittelem-. Fl. II. 69 (1898), Turner in Proc. Linn. Soc. N. S. Wales XXVIII. 307, 440 (1903), XXIX. 177 (1904), XXX. 

 86 (1905), Lauterer in Proc. Roy. Soc. Queensl. XVIII. 60 (1904), Cheesem. Man. New Zeal. Fl. 1089 (1906), Ewart und Rees 

 in Proc. Roy. Soc. Victor. XXV. 110 (1912). 



Echinochloa Crus galli Roem. und Schult. Syst. II. 477 (1817). 



Oplismenus Crus galli Dumort. Agr. Belg. 138 (1823). 



Geogr. Verbreitung: wärmere und gemässigte Zonen beider Hemisphären. 

 Süd-Queensland: Tambourine Mountains, als Unkraut häufig, besonders in der Form longisetum 

 Döll. Fl. Bad. I. 232 (1857) (Domin, III. 1910); Brisbane River (Am. Dietrich No. 1820). 

 N.S.Wales: Blue Mountains, an mehreren Stellen (Domin, IV. 1910). 



419. P. Turnerianum n. sp. 



Echinochloa Turneriana Dom. in sched. 



Gramen pallide viride, annuum; eulmi molles, robustissimi, ramosi, erecti, elati, circa 4 — 9 dm 

 alti, saepe fere toti vaginati, glaberrimi, subcompressi ; rami longissimi haud numerosi, saepe cum eulmo 

 principali aequilongi; folia glaberrima, mollia, pallide glaucescentia; vaginae carinatae, laxae, parte suprema 

 plerumque a eulmis retraetae, plus minusve compressae, internodiis saepe longiores; laminae stricte ereetae, 

 circa 12 — 20 cm longae, lanceolato-lineares, breviter acuminatae, basi cordatae, planae et 5 — 11 mm latae, 

 nervis numerosissimis striatae, ad margines scaberulae, caeterum laeves et glaberrimae; lamina folii eulmei 

 supremi haud raro paniculam attingens; ligula in cilias brevissimas appressas dissoluta; paniada ereeta, 

 densa, 6 — 13 cm longa, angusta, pallida; rhachis scaberrima, caeterum glabra; ramorum rhachis gracilis, 

 scabra sed haud hispida; spiculae magnae, subsessiles, in ramis condensatae et regulariter quadriseriatae, 

 tumidae, ovato-globosae , breviter cuspidatae, circa 5 mm longae; gluma I. circa 2 mm vel paulo plus 

 longa, latissima et late amplectens, sed abrupte acuta quam gluma III. 3 /s usque fere dimidio brevior, 

 circiter 9-nervis, ut gluma II. et III. minute hirtulo-scaberula ; gluma IL valde convexa, fere hemisphae- 

 rica, in apicem subconvolutum et subacuminatum abrupte contraeta (fere cuspidata), circa 4.5 — 4.75 mm 

 longa, circiter 11 -nervis, carina acuta; gluma III. similis sed paulo brevior et dorso impressa, angustior, 

 apice subconvoluto abrupte contraeta, paleata; palea scariosa gluma vix quarta parte brevior; gluma IV. 

 (glumella) 3.75 mm longa, valde convexa, cartilaginea, dura, intense nitida, albidula, laevissima (nervis 5 

 parum conspieuis percursa), tantum apice attenuato-acuminato brevi scaberula; palea paulo brevior, carti- 

 laginea, nitida, dorso plana, marginibus late inflexa. 



