ntlANDRlA, DIGYNIA. S3 



58. Danthonia, Decandollc. (Gtamine<x.J 



Calix 2-valved, many flowered, very large, 

 equal to or exceeding the included spikelet. 

 Exterior valve of the corolla concave, with 

 the points cmarginate, mucronatc, awned, or 

 unarmed and then triiid. Nutt, 



1. D. leaves subulate, short, those of the root often »picau. 

 hairy on the upper surface ; stipula obsolete, ci!i- 



ate ; raceme simple, or subdivided near the base ; 

 spikelets 4 to 9 ; calix longer than the spikelet ; 

 flosculi 6 or 7. Xutt. 

 Avena spicata, L- not of Elliott. 



From one to two feet high ; leaves 2 to 4 inches long-. In 

 dry coppices every where frequent. Perennial. April. 



2. D. culm erect ; raceme compounded, branches 2 sericea, 

 and 3-flowered ; spikelets 9 to 13, 8 and 9-flow- Nuluil> 

 ered, somewhat shorter than the calix ; corolla 

 valves very unequal, outer lanceolate, denselv vil- 

 lous on the margin, setosely bifid at the point, 

 With a central contorted awn ; inner valve ciliate, 

 much shorter. Nutt. 



Avena spicata, Elliot. 



Avena glumosa, Mich. I and Muhl. ? 



This beautiful species, first described by Mr. Nuttall, as 

 an inhabitant of Carolina, was last summer found both by him, 

 and m\self, in Jersey within a mile or two of this city. Not 

 common. July. 



59. Festlca, Gen. pi. 119. (Gramincx-) 



Calix 2-valved, many-flowered. Spikelets 

 compressed, distich al, acute at cither extre- 

 mity. Outer valve of the corolla entire, 

 generally terminating in an awn. " Seed 



towing to the corolla. "Sehrader. 



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