ii8 



Memoirs Hcniicc J', liisliop Miisciiiii 



,V Poa pratensis L. Sp. I'l. 67. 1733. Kknttckv r,i.i'iC grass. 



rcrcniiial I'njin crcepin*,' rlii/.omes ; culms tufted, 30 to f-o cm. tall, tcrcic or sliylitl)- llat- 

 teiied ; .siieaths smuotli. compres.scd : lijjulc alwut 2 mm. loii;; : Mades soft, Hat or folded, the 

 basal often eKingate: panicle jn-ramidal, open, mostly 5 U> 10 cm. louij, the slender branches in 

 somewhat remote fascicles of 3 to 5, ascending' or s]jreading, naked at base, some of them short ; 

 spikflcts crowded. 3 to s-tlowered, 4 to 3 mm. long; lemmas 3 mm. long, co])iously webbed at 

 base, silky pubescent on keel and marginal nerves, the intermediate nerves pnjminent (fig. 7). 



Grassland; introduced. Originally described Iidhi luirDpc. 

 Hawaii: Kaiieliaka, Kona, I'orbes 263. ilumuula Sheep Station, Hitchcock 14450. 

 Kilauca, Ilajjcnian 7. 



An allied hm unidcinilicd species was collecled by Rock near the lake on 

 Mauna Kea at about i_'.500 feel (no. 12737). '^'l^^' species is probably introduced 

 as it has not lieen observed elsewhere. The locality is a stopping ])lacc on the way 

 to the summit of Alauna Kea. 



Plant appearing to ]ini(lnce rhizomes: >lieatlis retrorsely scabrous as in Poa lri-iiu!is ; 

 ligule short and broad, :i\xn\t I mm. long: blades tlal and broad, some of them 8 mm. wide; 



vf. 



V 



mm'' 



Fir.uRK 6. — Poa annua. From U. S. Dcpt. Agr. 

 Div. /\grost. Bull. 17, fig. S^^■ 

 [20I 



