10 



TRIANDRIA DIGYNIA. Aira. ^^ 



longioribus : altero pedicellato, glurais acutis carina 



asperis, foliis angustis glabris brevibus, culmo erecto. 

 A. capillacea. Lam. illustr. 1. p. IJJ. 

 On slate hills and in sandy fields : Virginia to Carolina. 



11 . July. V. V. About eight inches high ; panicle 



purple. 

 A. foliis setaceis, vaginis angulatis, floribus panicnlato- 



spicatis, flosculis basi aristatis, JVilld. sp. pi. 1. 



p. 380. 

 Icon. FLdan.383. 



On dry sandy hills : Virginia, &c. ©.June. v. v. 

 A. panicula patente, petalis aristatis basi villosis : arista 



recta brevi. If'illd. sp.pl. 1. p. 378% 

 Icon. Host. gram. 2. t.42. Engl. dot. 1153. 

 In meadows, frequent. 1/ . June, July. v. v. 

 A. foliis snbsetaceis. Mich.Jl. amer. 1. p. 6l. 

 In Canada. + , Appears to be only a variety of A. ces- 



pitosa. 

 A, panicula patente trichotoma : pedunculis flexuosis, 



aristis geniculatis, foliis setaceis, culmo subnudo. — 



inild.'sp.pl. l.p. 378. 

 Icon. Host. gram. 2. t. 43. Engl. hot. \5ig. Fl. 



dan. 157. 

 In shady woods and meadows : Canada to Carolina. 1/ . 

 July. V. V. 

 A, panicula sparsa purpurea, floribus aristatis, glumis purpurea. 



altera bifida nervo aristata : altera Integra plumosa 



concava, foliis subulatis, culmo erecto. — Walt. fi. 



car. 78. 

 In Carolina. Walter. +. 



prcecox. 



cespitosa. 



ambigua. 



jiexuosa. 



90. MELICA. Gen.pl. 113. 



1. M. panicula laxa pauciflora : ramulis simplicibusj flori- glabra. 



bus obtusis imberbibus, caule erecto glabro. — Mick. 

 fi. amer. 1 . p. t(3. 

 M. mutica. Walt.fi. car. 78. 

 Icon. Moris, hist. 3. s. 8. /. 7-f- 51. 

 In shady places : Virginia to Florida. 1/ . July. v. s. 



2. M. panicula diffusa ramosissima, floribus acutis imberbi- difi^usa. 



bus, caule erecto pubescente. 

 M. altissima. Walt.fl. car. 78. 

 In sandy swamps : Virginia and Carolina. % . June. v. s. 



