ISO 



Memoirs Benticc I'. Bishop Muscnm 



Di'vciixia rctrosrocia Kuntli, Rev. Gram, i 77. 1829. 



Dcvciixia forslcri Kiiiitli. Rev. (jrani. 1 rjj. 1829. 



Calamai^rostis rctrofnicia I^iiik; Steiul. Xoiii. I'.ot. ed. 2. 1 :2^i. 1840. 



Plants tufted, .soft and lax: ctilnis erect or decumbent at base, 20 to (>() cm. tall; shcatlis 

 glabrous or scabrous: lij,nde conspicuous, membranaceous, as nuicb as 8 mm. long: blades tlat, 

 10 to 20 cm. long, 0.5 to 3 mm. wide, scabrous on llie U])i)er surface, glabrous beueatb : i)anicle 

 10 to ,^0 cm. long, becoming vcr\' diffuse, with long capillar)', fascicled, scabrous brandies, spike- 

 let-bearing toward the ends: si)ikelets i)ale : glumes 2 to 3 nun. 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 iiitei'iiiediatc between Agfuslis and Calainagroslis. The 

 habit is that of the foriuer genus, the silky pruiungaliuii uf the racliilla is that ol 

 Calaniagrostis. 



Wet cliffs and grassy slopes up to 8000 feet. Originally described from 

 Australia. 



Kauai: Olokele Gulch, Hitchcock iSiyij, i5.i-^3, i5-5,v ixaholuaniano, 11 ellcr 2779. 

 Oahu: Schofield fiarracks, Mitchcock 13947, 1.3959- Palehua, \\'ai;in;ie Range, 



Forbes 1692. Mt. Tantalus, Hitchcock 13870. 

 Molokai : Kamalo. Hitchcock 15103. 

 Lanai : Upper part of mountain, Hitchcock 14640. 



Figure 36. — Agrostis verticillat.i. I'tdiii U. S. 

 Dept. .'\gr. Div. Agrost. Bull. 17, fig. 484. 



Figure 37. — Agrostis fallax. 

 Hitchcock 14729. Maui. 



I'Voiu 



15-'] 



