ISO 



}[cnwirs Bcrnicc P. Bishop Museum 



Dcyeu.via retrosracta Kunth, Rev. Gram, i -.jj. 1829. 



Dcyeiixia forsteri Kunth, Rev. Gram, i .jj. 1829. 



Calainagrostis retrofntcta Link; Steud. Nom. Bot. ed. 2. 1:251. 1840. 



Plants tufted, soft and lax: culms erect or decumbent at liase. 20 to 60 cm. tall; sheaths 

 glabrous or scabrous ; ligule conspicuous, membranaceous, as much as 8 mm. long ; blades flat, 

 10 to 20 cm. long, 0.5 to 3 mm. wide, scabrous on the upper surface, glabrous beneath: ])anicle 

 10 to 30 cm. long, becoming very diflfuse, with long capillary, fascicled, scabrous branches, spike- 

 let-bearing toward the ends: spikelets pale; glumes 2 to 3 mm. long, acuminate, scabrous on the 

 keel; lemmas 1.5 mm. long, silky pubescent, obtuse, dentate: awn from about the middle, 3 mm 

 long; prolongation of rachilla about 0.3 mm. long, the silky hairs extending to i mm. (fig. 35). 



This species is iiiteniiediate between Agi'oslis and Calainagrostis. i'he 

 habit is that of the former genus, the silky prolongation of the rachilla is that of 

 Calaniagrostis. 



Wet cliffs and grassy slopes up to Sooo feet. Originally described from 

 Australia. 



Kauai: Olokele Gulch, Hitchcock 15199, 15223, 15253. Kaholuamano, Heller 2779. 

 Oahu : Schofield liarracks, Hitchcock 13047, 1.3950. Palehua, Waianae Range, 



Forbes 1692. Mt. Tantalus, Hitchcock 13870. 

 Molokai: Kamalo, Hitchcock 15103. 

 Lanai : Upper ])art of mountain. Hitchcock 14640. 



Figure 36. — .Agrostis verticillata. From U. S. 

 Dept. Agr. Div. Agrost. Bull. 17, tig. 484. 



FiGCRE 37. — .\grostis fallax. I-'roiu 

 Hitchcocic 14729, Maui. 



152] 



