Ililclicork — The (irasscs of Hawaii 113 



Hawaii: Pun \\'aa\vaa, liitchcock I44()4. Parker Ranch. Makalialau, Rock 8407. 

 Kukaiau Rancli. ^Ctoo feci, Mitclicdck 14211. 



2. Bromus hordeaceus L. Sp. I'l. 77. 1753. 



Culms 20 to 60 cm. tall ; sheaths retrorsely softly pilose-pubescent ; blades usually 

 pubescent; panicle contracted, erect, 5 to 10 cm. long or in (leiianjierate ]>lants reduced to a few 

 spikelets ; glumes broad, obtuse, coarsely pilose gr scabrous-pubescent, the first 3 to 5-nerved, 

 4 to 6 mm. long, the second 5 to 7-nerved, 7 to' 8 mm. long; lemmas broad, obtuse, 7-ncrved, 

 coarsely appressed-pilose or scabrous-pubescent, rather deeply bidentate, 8 to 9 mm. long, the 

 margin and apex hyaline; awn rather stout, 6 to 9 mm. long (fig. i ). 



A weed in ])astures and waste places at upper elevations ; introduced. 

 Originally described from Europe. 

 Kauai: Without locality, Rock 5128. 

 Hawaii: Pluniuula Sheep vSlatidU, Oooo feet, Hitchcock 14434. 



3. Bromus molliformis I^lo\(l, Fl. Loire Inf. 315. 1844. 



A low branching grass, the culms 10 to 30 cm. tall ; sheaths pubescent ; blades narrow, 

 pubescent; panicle short and dense, mostly not over 5 cm. long; spikelets 1.5 to 2.5 cm. long; 

 glumes 10 to 12 mm. long, pubescent; lemmas about i cm. long, the pubescence more or less 

 spreading and flexuous ; awns of the lower florets short, of the upper 5 to 10 mm. long and at 

 maturity or in dried specimens, spreading. 



A M^eed in fields and waste jilaces ; introduced. Originally described front 

 S])ain. 

 Oahti : Schofield Parracks. Plitcheock i.><)[4. ^?t^)7S- II'»n(tlulti. weed along car 



line. Fort Shafter, Plitchcock 13844. 



4. Bromus racemosus P. Sp. PI. ed. 2. 1:114. 1762. 



Resembles B. Iiordcacciis. Init the panicle more open and the spikelets scabrous only, not 

 pubescent (fig. 2). 



A weed in pasture land; introduced. Originally described from Europe. 

 Hawaii: Kukaiau Ranch, 4000 feet, Hitchcock 14266. 



5. Bromus rigidus gussonei (Pari.) Coss. & Dur. Expl. Sci. .\lger, 2:159. 1867. 



Bromus ma. vim its gussonei Pari. Fl. Ital. i :407. 1848. 



Bromus villosus i^ussonci .\schers. & Graebn. Syn. Mittleur. Fl. 2:595. 1901. 



Bromus fillosus Forsk. 1775 is invalidated by B. I'iHosus Scop. 1772. 



Bromus maximus Desf. 1798 is invalidated by B. via.vimus Gilib. 1792. 



Culms 40 to 60 cm. tall; sheaths and blades pilose; panicle open, rather few-flowered, 

 8 to 15 cm. long, the lower branches 4 to 5 cm. long; spikelets usually 5 to 7-flowered, 3 to 5 cm. 

 long; glumes smooth, narrow, acuminate, the first 15 to 20 mm. long, i-nerved, the second 

 25-30 mm. long, 3-nerved ; lemmas 5-nerved, 25 to 30 mm. long, scabrous or pubcrulent, 

 2-tootlied, the teeth 3 to 4 mm. long ; awns stout, straight, 3 to 5 cm. long. 



A weed in fields; introduced. Originally described from Italy. 

 Oahu: vSchofield Barracks, Hitchcock 13922. 

 Hawaii: Kukaiau Ranch, 3600 feet, Plitchcock r42i(j. Slopes of Mauna Kea. 



5000 feet, Rock 8403. 

 Without locality: Hillebrand. 



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