108 PAMCACKvE. 



<f. I'tTcmiial ; liiivii.c. s|iikcl('ts 4 niiii. long, 



IiIikIcs )i-l(i 111 III. \\i<U' r)(i 



M. Miliitriii Trill. Spihhis ahovati' or vUijisoidal, ublase or 

 hni'i'hi /loin ltd. 



Spiki'k'ts with 'i proiiiiiiciit rows of Imirs 51 



S|)ik('l('ts warty, roii<flu'iu'(| C)'i 



Spikclcts tiiiclv <rlainliiliii' on the siirracc. . . ^u\, 54, 5o, ')(> 



Spikt'lots inon' or less piilK'scciit 57 



Spikclcts unlike citlicr of the 4 previous scctioii.s. . . (a) 



a. Spikclets ahout 1 inin. lontT *>(S 



a. Spikt'lcts i.4 nun. lon<r. hlades -id-;}!! nun. widi'. . r)!! 

 a. Spikclcts 'i mm. lonuf. hladcs 'i-\ nun. widi'. . . (lu, (»| 



a. S[»ikolcts 1.5-'^ nun. lon<:, blades A-T nun. wide. . (>•> 



u. Spikclcts l.('»-l.{» nun. Ion;;, lilades 1.5 nun. wide. . <!;{ 



a. Spikclcts usually more tiian 2 nun. lon<jf (1») 



I). IMades 2.5 nun. wide, strict, iianiele small, vi-ry 



narrow 04 



1). Mlades 4,<i nun. wide, includinj; the bases of the 



narrow {tanii'les. spikclcts '^.5 nun. lon<i:. . . . (55 

 1). lilades I-'^ cm. wide, spikelets t>.5-;j nun. loni;'; 



jtart ol" fi(» 



1). Blades usually 7 nun. or more wide (e) 



e. I'aniele very siini»le and narrow, sjiikelets ;} 



mm. lon^, blades 10-15 mm. wide i)H 



c. Panicle eomiiound. spreadin.<r (d) 



d. Spikelets 2.2-'.>.3 mm. lonjr, i)lants l>0-l-.>0 



cm. hijrh, often hairy (!!> 



d. Spikelets i>.:3-;3 nun. lonir, blades 1(1-20 



mm. wide, jdant smooth 07 



d. Spikelets '] mm. lon,ir. blades 7-13 mm. 



wide 70 



d. Spikclcts 3-4 mm. lon<>-. blades 15-30 mm. 



wide (e) 



e. Sheaths often liairy 71, 72 



e. Sheaths smooth 73 



H. Lasiaces. Spikelets ohovate, hearitiy a tuft of cilloiis ilotrn at 



