CL. III.J TRIANDRIA DIGYNIA. 93 



in woods, thickets and hedges, in England : frequent. Eng. Bot. 

 vol. xix. pi. 1317. Eng. Fl. vol. i. p. 178. 209. 



43. HO'RDEUM. BAELET. 



Common receptacle elongated, jointed, toothed alternately on, 

 each side, the intermediate spaces flattened and bordered. 

 Flowers three at each tooth, not all perfect. Calyx to each 

 flower of two pointed or awned, parallel, erect chaff-scales. 

 Corolla of two husks ; the outer egg-shaped, angular, termi- 

 nated by a long, straight, rough awn ; the inner smaller, lance- 

 shaped, flat, pointed, inflected at the edges. Nectary of two 

 acute scales. Filaments hair-like, short; anthers notched at 

 both ends. Germen turbinate. Styles very short; stigmas 

 feathery, reflected. Seed oblong, pointed at both ends, chan- 

 nelled on the upper side, firmly united to the husks. Name 

 used by the Romans. 59. 



1. H". murinum. Wall Barley. Way Bennet. Lateral flowers with 

 stamens only; chaff-scales of the intermediate flower lance-shaped, 



fringed. Boot fibrous : stems from twelve to eighteen inches high, 



spreading at the base, then erect, smooth, leafy : leaves linear, flat, 

 roughish : two lateral flowers stalked : central flower perfect and 

 large. Annual : flowers in the summer months : grows by walls and 

 road-sides : common. Eng. Bot. vol. xxviii. pi. 1971. Eng. Fl. 

 vol. i. p. 179. 210. 



2. H.pratense. Meadow Barley. Lateral flowers destitute of ger- 



men : all the chaff-scales bristle-shaped and rough. Root fibrous: 



stems about two feet high, smooth, and leafless at the top : leaves 

 narrow, roughish : lateral flowers stalked : central flower perfect 

 and largest. Perennial : flowers in the summer months : grows in 

 meadows and pastures : frequent in England, not found in Scotland. 

 Eng. Bot. vol. vi. pi. 409. Eng. Fl. vol. i. p. 180. 211. 



3. H. maritimum. Sea Barley. Squirrel-tail-grass. Lateral 

 flowers with stamens only, their awns shorter : the inner scale of 



their calyx half egg-shaped. Resembles H. imtrinum, but is 



smaller and stiffer : the awns are stiff and strongly barbed, so as to 

 be extremely troublesome to horses when mixed with hay. Annual : 

 flowers in the summer months : grows in pastures and sandy 

 ground near the sea : common in England ; very rare in Scotland. 

 Eng. Bot. vol. xvii. pi. 1205. Eng. Fl. vol. i. p. 181. 212. 



44. TRI'TICUM. WHEAT. 



Common receptacle elongated, toothed alternately on each 

 side, compressed, undulated. Spikelets solitary at each tooth, 

 transverse to the stalk, many-flowered. Calyx of two oblong, 

 ribbed, nearly equal, opposite chaff-scales, with or without 

 terminal awns. Flowers three or more in a spikelet, applied 

 laterally to the receptacle ; outer husk oblong, furrowed, pointed 

 or awned ; inner flat, awnless, inflected at each end. Nectary 

 of two acute scales. Filaments hair-like ; anthers linear, forked 

 at both ends. Germen turbinate. Styles short, distinct ; stigmas 

 feathery, reflected. Seed oblong, blunt at both ends, convex 011 

 one side, channelled on the other. Named from tritum, beaten 

 or thrashed. 60. 



I 



