t 



i7^ yKIANDRiA DIGYKIA^ 



* 



A VENA. 



Coli/x 2.valvis, multi- I Cab^x 2 valved, m 

 florus. Muta dorsalis, flowered. .9w?i doi 

 contorta. I contorted 



i, SprCATAf 



A. spicata ; calycibus j Flowers spiked; calvx 

 gpiculis sexfloris longiori- longer than the six flow- 

 bjis; petalo exteriore a- | ered splkelets; the extc. 

 Jjice aristato, furcatoque. rior petals awned, and 

 Sp. pi. i. p. 453. I forked. 



Purah, 1. p. 86. 



A. glumosa, Mich. 1. p. 72. 



Hoot perennial ? Stem 2 feet high, erect, columnar, somewhat gla- 

 brous, pubescent near tlse summit. leaves 2 — 4 inches long, subu- 

 late, acute, rather flat, glabrous on the upper surface, pubescent, al- 

 most villous on the under ; sheaths villous, shorter tlian the joints, 

 bearded at the throat. Panicle small ; branches simple ; spikes ra- 

 cemose, on peduncles 2 — 6 lines long. Calyx 2 valved, generally 

 •is-flowered ; valves longer tlian the spike, compressed, keeled j the 

 keel finely serrulate ; margins membranous. Corolla 2 valved ; exte- 

 rior valve' lanceolate, compressed, very villous, the sides terminating in 

 two awns nearly as long as tlie valve, between whicli arises a contort- 

 ed, spiral, dorsal awn twice as long as the valve? interior valve much 

 amaller, lanceolate, finely fringed. 



Grows in the upper districts of Georgia and Carolina, in high lani 

 Columbia countj, Georgia. 



Flowers April, 



-/ 



2. Penns^lvantca. 



A. panicnla atteiiuata ; 

 t'alycibus hifloris ; semi- 

 nibus vjllosis; aristis ca- 

 lyce dupio longioribus. 



Sp. pi. 1. p. 445. 



Panicle slender ; calrx 



two-flowered; seed 

 lous ; the awn tvvi( 



long as the calyx. 



as 



Pursh, 1. p. 85. 



Grows in" Carolina, Pursh. Found in the western districts 

 Georgia, by Dr. Baldwin. 



Flo wera'Maj— -June. Pennsylvanian Oat-GrasS' 



of 



