54 Ca S w a r T z's Botati'ical Hijiory 



Valvulce interloris fubzequales, carinatae ; exterior rarius pilofa ; 



interior tenerrima. 

 NeBarii petala Integra, rotundata, albida. 

 Filamenla 6. Anthers ere6l?B, flavaz, utrinque bifidx, apice 



polliniferK. 

 ■Germen ovale, glabrum. Styli duo, breves. Stigmata pallida, 



bijubata, patula. 

 iSlfwewoblongum, valv. coroll. inclufum. 

 Femlnei in eadem panicula, quorum 

 Germen fetis 4 — 6 longis rigidis albidis intra ne(5larium cin- 



gitur (forfan ftam. fterilia). 

 Farietas hujus fpeciei occurrit : 

 Culmis filiformibus, foliis anguflioribus. 

 Floribui albidis, minoribus. 

 Calycibus non coloratis, glabris. 

 Glum. cor. exter. valvula exteriore minuta, interiore obtufa, 



inter piles fubrugulofa. 



The defcription is fcarcely more than a copy of the very good one 

 already given by Dodor Smith, and proves this plant undoubtedly 

 different from the genus oi Aira. By comparing feveral fpecimens of 

 the fame, I have added fomething to the illuftration of the fpecies. 

 The exterior corolline glumes, though obtufe, are ufualjy termi- 

 nated towards the back in a very fhort point, often fcarce vifible to 

 the naked eye. The colour of the calycine and corolline glumes is 

 fometimcs alike in both, particularly in the variety above mentioned. 

 The calyccb are befides more or lefe coloured in moft of the fpecies. 

 The hairinefs of the corolline valves is alfo various, but always to be 

 feen, at leaft by the affiftance of the microfcope. The pointed 

 exterior corolline glume, the whole comprelfed _/?2/^«/«i, as well as 



9 the 



