PAXICK.E. 80 



1 mm. wide ; spikes usually 3 in number, 

 2-3.5 cm. long 26 



p. Spikelets acute, 3.5-4 mm. long: raehis 

 about 1.5 mm. wide; spikes 2-4 in num- 

 ber, 2-5 cm. long 27 



p. Spikelets obtuse, 3.5 mm. long ; raehis 1 

 mm. wide; spikes 2, 7-10 cm. long. . . 28 



p. Spikelets subacute, 3 mm. long; raehis 1-2 

 mm. wide; sjjikes 2, rarely 3. 3-0 cm. lojig. 23 



p. Spikelets obtuse, 2.2-3 mm. long; raehis 1 

 mm. wide: si)ikes 3-G, 4-() cm. long. . . 29 



p. Spikelets broad, subacute, 3 mm. long; 

 raehis 1.3 nun. wide; s})ikes 3-4, 0-il cm. 

 long 30 



p. Spikelets subacute, 3.5 mm. long; racliis 1.7 

 mm. wide: sjjikes 3-4. 10-17 (fin. long. . 31 



p. S|)ikelets obtuse, 3.5-4 mm. long: raehis 

 1-1.7 mm. wide; spikes 3-.^). 10-14 cm. long 33 



1. P. compresBum (Swartz) Nees. Mart. Bras. 2:23 (1829). 

 Milium romjircssion Sw. I*rod. 24 (1788). 



J'.phtfi/raiiloii Poir. Lam. Encycl. 5:34 (1804). 



Culms fdiform. branching, 12-24 cm. high, usually consisting of 

 two internodes from a creeping root-stock. Sheaths narrow, com- 

 pressed, with a few soft hairs; blade narrowly linear, obtuse, smooth, 

 2-6 cm. long, 2-3 mni. wide. Spikes 2-3, approximate, slender, 

 2-4 cm. long. Spikelets in two rows, overlapping little or none, 

 narrowly oblong, 2 mm. long; first and second glumes 2-nerved, 

 with short hairs above. 



Florida, A. II. Cioiiss 3505, J. Tf. Simpson for Nat Mus. 



South Carolina to Florida and Texas. 



2. P. paspalodes (Michx.) Scribn. Mem. Tor. IJot. Club, 5:25 

 (1894). 



Difjitaria paapahiJei^ Michx. Fl. lior. Am. 1 :4fl (1803). 

 P. Mii'hauxiatiuin Kunth, Hev. Gram. 1:25 (1S35). 

 P. Ellioftii S. Wats., A. Cray. Man. Ed. 0.629 (1890). P. 

 Digitaria Poir. Lam. Encycl. Suppl. 4:316 (1816). 



