£A Dr. SwAVi^zs Botanical Hijory 



Valvule inieriorh fubicquales, carinatse; exterior rarius pilofa; 



interior tenerrima. 

 Neclarii petala Integra, rotundata, albida. 

 Filament a 6. Anthera erecl.T, flavse, utrinque bifidse, apicc 



polliniferas. 

 Genncn ovale, glabrum. Styli duo, breves. Stigmata pallida, 



bijubata, patula. 

 Semen oblongum, valv. coroll. inclufum. ^ , 

 Feminei in eadeiii panicula, quorum 

 Germen fetis 4 — 6 longis rigidis albidis intra neclarium cin- 



gitur (forfan ftam. flerilia). 

 Varieias hujus fpeciei occurrit : 

 ■Culmis filiformibus, foliis anguflioribus, 

 ■ Floribus albidis, minoribtis. 

 Calycihus non coloratis, glabris. 



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

 inter pilos fubrugulofa. 



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

 already given by Do6lor 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 illudration of the fpecies. 

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

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

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

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

 The calyces are befides more or lefs coloured in moft of the fpecies. 

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

 feen, at lead by the alTiftance of the microfcope. The pointed 

 exterior corolline glume, the whole comprelled /q/2-z//:^j, as well as 



9 the 



