MOXOCOTYLEDOXES. 231 



membraiiacea, subaequivalvis. Perianthii valvula inferior 

 carinata apice bidentata v. biseta, dorso (supra medium) 

 aristata. Caryopsls libera, exsulca, lateraliter compressa. 



Gramiim ccespitosa ; vaginis hngitudinaliter fissis. Pani- 

 cula scepje coarcfata, aristis arcnato-patulis. 



Obs. A Deschampsia difFert locustis ancipitibus, gliirais 

 carinatis, perianthii valvula inferiore carinata apice attenuate 

 bidentato v. biseto, caryopside lateraliter compressa. Ab 

 Avenis plerisque glumis perianthiisque carinatis ; ab omnibus 

 caryopside exsulca et lateribas compressis. 



65. Trisetum suBSPicATUM, Palis, agrost. p. 88. 

 Trisetum airoides, Roem. et Sch. sysf. 2, j??. 666, exclus. syn. 

 Wulfen et Host. Richardson in Franklin' s journ. p. 731. 



Aira spicata, Linn. sp. pi. ed. 3, p. 95, Jl. lapp. n. 47. 

 Flor. Dan. t. 228, mala. Giinn. tiorv, n. 422. WaJdenb. 

 lapp. p. 33. 



Aira subspicata.Zw?^. syst. nat.ed. 12, v. 2, p. 91. Willden. 

 sp.pl. l,p. 377. Pers. syn. \,p 77. Zoeg. pi. island, in 

 Olafs. reise 2, p. 234. Giesecke greenl. in Brewster's Edin. 

 encyclop. 



HIEROCHLOE. 



Hierochloe Gniel. sib. 1, p. 100. Br. prodr. flor. nov. 

 holl.p. 208. Trin. ayrost.p. 130. 



Hierochloa et Toresia, Palis, ayrost.p. 62 et 63. 



Char. Gen. Ghmia sub8equivalvis,locustam trifloram [ccxciii 

 sequans. Perianthia bivalvia, lateralia mascula, triandra; 

 terminale hermaphroditum, diandrum. 



Obs. E-elationera verani Anthoxanthi ad Hierochloem, in 

 prodr. flor. nov. holl. p. 209, primum indicatam, optirae 

 confirraat planta Javanica intermedise structurse a D. Hors- 

 field detecta ; in liac enim perianthium lateralium inferius 

 masculum bivalve, superius univalve, neutrum : terminale 

 hermaphroditum. Hujus novi generis (Ataxia) habitus 

 potius est Anthoxanthi, quocum etiam glunia insequivalvi 

 quadrat. 



Cum Hierochloe characteribus nonnullisconvenit Arthro- 



