80 TRIANDBJA DIGYNIA. ["CL. Til. 



drooping ; flowers pendulous ; spikclet with two perfect flowers. 



Root creeping : straw about a foot high : leaves nearly smooth : 



panicle generally with undivided branches. Perennial : flowers in. 

 June and July : grows in woods, chiefly in Scotland and the North 

 of England : frequent. Eng. Bot. vol. xv. pi. 1059. Eng. Fl. vol. i. 

 p. 113. 146. 



3. M.ccerulea. Purple Melic-grass. Panicle close, erect ; spikelets 



cylindrical, erect. Root large, of numerous long, thick fibres : 



straw about two feet high, enlarged at the base : leaves covered 

 with scattered hairs above : panicle oblong, with numerous waved 

 branches, and purplish brown flowers. This grass is made into 

 ropes in the Hebrides. The butter of cows which feed upon it is 

 very rich, and highly coloured. Perennial : flowers in June and 

 July : grows abundantly on heaths, especially such as are moist. 

 Eng. Bot. vol. xi. pi. 750. Eng. Fl. vol. i. p. 113. 147. 



27. SESLE'RIA. MOOR- GRASS. 



Calyx of two nearly equal, pointed, keeled, slightly awned 

 chaff-scales, containing two or three perfect flowers. Corolla 

 of two lance-shaped, acute husks, the outer toothed, the inner 

 cleft. Filaments hair-like, a little longer than the husks ; an- 

 thers protruded, linear, notched at both ends. Germen small, 

 egg-shaped. Styles united ; stigma long, downy. Seed loose, 

 covered with the membranous husks. Named after Leonard 

 Sesler, an Italian botanist. 43. 



1. S. coerulea. Blue Moor-grass. Spike egg-shaped, imbricated ; 



bracteas alternate ; outer husk with three teeth. Root of long 



fibres : straw about eight inches high, smooth : leaves rough on the 

 edges and keel, with short sheaths : spike erect, bluish-grey, shin- 

 ing : chaff-scales and outer husk fringed, the latter with three teeth 

 at the end. Perennial : flowers in April and May : grows on moun- 

 tains in Scotland and the North of England. Eng. Bot. vol. xxiii. 

 pi. 1613. Eng. Fl vol. i. p. 114. 148. 



28. HIERO'CHLOE. HOLT-GRASS. 



Calyx of two nearly equal, egg-shaped, acute, awnless, mem- 

 branous chaff- scales, containing three flowers, of which the 

 upper is perfect, the others stameniferous. Corolla of two un- 

 equal membranous, husks ; the outer larger, egg-shaped ; the 

 inner much narrower, extremely thin, notched, inflected at the 

 edges. Nectary a membranous scale. Filaments hair-like, 

 two in the perfect flower, three in the barren ones; anthers 

 linear, protruded, pendulous. Germen egg-shaped. Styles 

 short, distinct 5 stigmas linear, feathery.. Seed egg-shaped, 

 small, loose, invested by the unaltered husks. Named from 

 hieros, sacred, and chloe, grass. 44. 



1. H.boredlis. Northern Holy-grass. Panicle somewhat unilateral, 

 with smooth flower-stalks; perfect flower awnless, the others 



slightly awned ; leaves flat. Root creeping : straws from twelve 



to eighteen inches high, erect, smooth : panicle erect, with waved 

 branches: outer husks fringed. Perennial: flowers in May and 

 June : found by Mr. G. Don in the valley of Kella, in Angus-shire ; 

 Moffat Hills, Dumfriesshire. Eng. Bot. Suppl. pi. 2641. Eng. FL 

 Tol. i. p. 111. 149. 



