No. 30. 

 AGROSTIS DENSIFLORA Nascy. C.Mitr Nat. Ilcil.. iii. Toi.'. 



Plant auiiuai, tutted, witli fibrous roots. 



Ciihii prect or geuicuUito at the lower nodes, ratiicr stout, smootli. naUcd above, tJ 

 to IL' Miches hif^h. 



Lcitres from the base few and short. Leaves of eidni l! or •'!; sheatlis ratliei- loose, 

 striate, nearly smooth, crowded below, longer than tlie internodes; blades tiat or 

 folded, hispidulous on both sides, .striate, rather thick and rigid, ereet, ta|)ering U) the 

 ai)ex, li to •! lines wide below, L' to 4 inches long: ligule nunibraiiaceons. inoniinciit, 

 obtu.se, decurreni, i' lines long. 



Jtt^orestrwffi a rather dense or slightly interrn|ilcd, spicate panicle 1.' to •"• inches 

 long and ;\ to .\ inch thick; rays glomerate, biaiiciiing. scabrous, bearing crowded 

 si)ikelets on short, scabrous in'dicels. 



SpiLclclx Itiowered. turgid, 1^ lines long: empty glumes iiearl.\ equal (second 

 slightly shorter), lanceolate, acuminate, c.irinate, membranaceous, rigid, hisi)idu]ons 

 throughout; lower glume hispid on the keel, 1 nerNcd. 1{ lines long: Horal glume ob 

 long, truncate, minutely toothed, thiu-membranaeeoiis, smooth except a miinitc tuft 

 of white hairs on the ventral sid<' at base. .") nerved, nearly 1 line long, with or « ilh- 

 out a slender dorsal awn near the apex 1 line or less long; palet wanting; grain 

 spindle-shaped, acute at each end, yellow. o]iaipic. v; lini' long, falling free. 



Plate XXX; 1 and li, typical .specimens, full size; :{. a depauperate form; n, 

 .spikelet (enlarged 10 times; h, (iinjity glumes; <■. Iloral glume side view; d, sanu» i)ack 

 view; c, luiawned Iloral glume. 



Santa Cruz, (Jaliforiua. 



