TRIANDRIA MONQGYNIA. MarisCUS. 59 



Scirpus retrofractus. Willd. sp. pi. 1. p. 304. 

 Icon. Pluk. aim. t. 415./. 4. 



In rocky shady situations, on the banks of rivers : Vir- 

 ginia, Carolina, &c. If.. July. v. v. Stems and 

 leaves very rough. 

 3. M. spicis cylindricis retrorsum imbricatis, involucris po- umbellatus. 

 lyphyllis. Fahl. enum. pi. 2. p. 3/6. 

 Scirpus cyperoides. Limi. mant. ]81. 

 Kyllingia umbellata. Linn, suppl. 105. 

 Icon. Rottl. gram. t. 4. f. 2. 



In shady woods : Virginia and Carolina, l/ . Aug. v. v. 

 The American specimen is without partial involucres, 

 in every other respect it agrees with the description. 



64. MIEGIA. Pers. ench. 1. p. 101. 



1. Miegia. Pers. ench. \. p. 102. macrosperma. 



Arundinaria macrosperma. Mich.jl. amer. 1. p. 74. 



Arundo gigantea. JVdlt.Jl. car. 81 . 



In extensive tracts on the Mississippi and Floridas, called 

 Cane brakes, almost impenetrable. Arundo tecta of 

 Walter seems to be only a variety of this species. 

 2/ . March, April, v. v. 



65. LIMNETIS. Richard in Pers. ench. 1. p. 72. 



1 . L. foliis distichis breviusculis setaceo-convolutis, spicis juncea. 



paucis remotis patulis, calyce acuminato : carinis as- 

 peris. Pers ench. 1. p. 72. 

 Trachynotia juncea. Mich.jl. amer. I. p. 64. 

 Dactylis patens, Donn. hort. cant. 25. 

 In dry salt-meadows, common. 1/ . July. v. v. 

 3, L. subglauca, foliis longissimis, spicis plurimis alternis cynosuroides. 

 secundis, calyce aristato acuminato : carinis aculeatis. 

 Pers. ench. 1 . p. 72. 

 Trachynotia cynosuroides. Mich.jl. amer. 1. p. 64. 

 On rocky sea-shores, frequent, 1/ . July. v. v. 

 3. L. foliis iatisplanis, spicis pluribus undique versis longis polystachya, 

 linearibus, carinis aculeatis. Pers. ench. 1 . p. 72. 

 Trachynotia polystachya. Mich. Jl. amer. I. p. 64. 

 Dactylis cynosuroides. Willd. sp. pi. 1. p. 407. 

 Common in salt-marshes, from Canada to Florida. 1/ . 

 Aug. V. V. 



