North American Cyperacece. 365 



6. R. RARiFLORA, ElUotf, sk. 1. p. 58, (excl. syn.); Gray! 

 monogr. I. c. p. 197. 



Schoenus rariflorus, Michx. ! fl. 1. p. 36; Muhl. gram. p. 10. 



7. R. MiLiACEA, Gray! monogr. I. c. p. 198. 



R. sparsa, Vahl, enum. 2. p. 230 ; Pursh I fl. 1. p. 48 ; Elliott, sk. 

 1. p. 62, t. 2 ; Torr.! fl. 1. p. 56. 



Schoenus miliaceus, Lamarch, ill. gen. 1. p. 137. 



S. sparsus, Michx. .' fl, 1. p. 35; Muhl.! gram. p. 7. 



Nearly all the florets of this species are perfect, and each 

 spikelet frequently perfects as many as 8 or 10 nuts; which, 

 being persistent long after the scales have fallen, present a 

 remarkable appearance. 



8. R. CADUCA, Elliott! sA: 1. p. 52; Gray! monogr. I. c. 

 p. 199. 



This species also perfects a greater number of nuts in each 

 spikelet than is usual in the genus. 



9. R. MULTiFLORA, Gray, monogr. I. c. p. 200. 

 Scirpus schcEnoides, Elliott! sk. 1. p. 89. 



10. R. PATULA, Gray ! monogr. I. c. p. 201. 



11. R. iNEXPANSA, Vahl, enum. 2. p. 233 ; Elliott! sk, 

 1. p. 61 ; Gray ! monogr. I. c. p. 200. 



Schoenus inexpansus, Michx.! fl. 1. p. 35; Muhl. ! gram. 1. p. 9. 



12. ^. i>iiicuoc ART? A, Baldwin ! ; Gray! monogr. I. c. p. 

 202. 



13. R. PUNCTATA, Elliott! sk. 1. p. 60 ; Gray! monogr. 

 I. c. p. 203. 



14. R. Elliottii, Gray! monogr. I. c. p. 204. 

 R. distans, Elliott, sk. 1. p. 49. (not of Vahl.) 



