96 SESLERIA OffiRULEA. 



and eleven-ribbed. Margins minutely dentate. Inflorescence 

 racemed. Raceme purplish blue, oval, and about half an inch 

 in length. Spikelets laid one over the other all round the 

 rachis. Calyx of two broad, acute, membranous, equal-sized 

 glumes, destitute of lateral ribs. Florets of two equal-sized palea?, 

 exterior one of lowest floret five-ribbed. Apex dentate, and 

 ending in a brief awn. Inner one linear bifid, having two green 

 marginal ribs. Filaments three. Anthers conspicuous, notched 

 at either extremity. Ovarium minute. Hirsute globose, with a 

 pointed base. Style short. Stigmas conspicuous, long, linear, 

 and pubescent. Length from six to twelve inches. Root creeping, 

 having lengthy fibres, perennial. 



Flowers at the end of April, and the seeds become ripe in 

 the middle of June. 



The specimen for illustration was gathered in Teesdale, by 

 Mr. Joseph Sidebotham, of Manchester. 



