NEW OR RARE SCOTTISH PLANTS. 299 



tamen posterior videtur distincta, spiculos 4-flores, 

 glumas ovato-lanceolatas, 5-nervias, paleas acutius- 

 culas nec truncatas, folia latiora, spiculos majores 

 habere. 



This species was discovered many years ago in 

 pastures in Angusshire, by the late Mr G. Don of 

 Forfar. 



3. — POA LEPTOSTACHYA. 



Panicula contracta subracemosa ; pedicellis bre- 

 vissimis glaberrimis, flosculis 2-floris, glumis lan- 

 ceolatis mucrbnatis ssqualibus trinervibus, apice 

 incurviis, paleis lanceolatis apice acutiusculis. 



Radix fibrosa perennis cssspitosa ; culmi decum- 

 bentes geniculati teretes lsevissimi ; folia brevia li- 

 niaria, plana nervosa lsete-viridia glaberrima mar- 

 gine inermia basi vaginantia, vaginis foliis longio- 

 ribus glabris striatis ; panicula contracta subracemo- 

 sa depauperata, ramis brevibus, pedicellis brevissi- 

 mis glaberrimis ; spiculse 2-fiorae, glumae lanceolatse 

 mucronatae sequales trinerves (nervis nigrescentibus 

 conspicuis) apice incurvse dorso carinatse carina sub 

 microscopum spinuloso aspera,paleae lanceolatae apice 

 acutiusculae, flosculis nudis. 



This Poa is totally distinct from any British spe- 

 cies, and there is none with which it has a near af- 

 finity. Found on the banks of the Tay, to the west 



