412 



POACE^. 



long; terminal empty glume on a racliilla 1.5 mm. long, bearing a 

 yer}' short awn. Grain less than 2 mm. long. 

 Florida, Curtiss 3442. 

 Delaware and southward. 



89. (179). SCHEDONNAEDUS Steud. Flora, .33:228,229 (1850) 

 name; Syn. PI. Gram. 146 (1855). 



Spikelets 1-flowered, acuminate, sessile in the excavations on 2 

 sides of a 3-sided rachis, rachilla very short, articulate above the 

 lower glumes, not bearing a flower, flower perfect. Empty glumes 

 2, unequal, 1-nerved, narrow, membranous, acuminate; floral glume 

 longer, firm, membranous, 3-nerved, pointed, enclosing the palea 

 and the flower. Styles distinct. Grain linear, included by the 

 glume and palea, but not adherent. 



A tufted annual. Spikes 3-10 in number, simple, slender, 

 spreading on the curved axis. 



Species 1, belonging to North America. The genus is more 

 nearly allied to Gijmmpogon than to Lepturus, Nutt. 



1. S. paniculatus (Xutt.) Trelease, Branner »& Coville, Rep. 

 Geol. Surv. Ark. 1888, Part 4, 23G (1891). Lepturu8 paniculatus 

 Nutt. Gen. 1:81 (1818). Rottha>Ma jJ^'^iculata Spreng. Syst. 1 

 300 (1835). Schedonnardus Texanus Steud. 1. c. 



Culms 20-60 cm. high, naked above. Lig- 

 ule ovate, over 1 mm. long; blades numerous 

 below, narrow, keeled, conduplicate, twisted, 

 3-5 cm. long. Spikes 3-10 in number, re- 

 curved, secund, distant, 3-9 cm. long. First 

 empty glume ovate, 1 mm. long, with an awn 

 half its length, second ovate-lanceolate, 2 

 mm. long, with a very short awn; floret 

 cylindrical, acuminate, over 3 mm. long; floral 

 glume elliptical-lanceolate, the lower part 

 sparsely hairy; palea with 2 nerves near each 

 paniculatus. ^, Spike- o<^lier extendmg mto the cusps, silky hany 



lei; b, floral glume; c, q^ ^nd between the nerves. Grain cylin- 

 palea; d. flower. 



drical. 



Illinois, J/(?«</; Kansas, C'awJy; Colorado, J. Wolfe 1178: Men- 



Schtd mnardm 



