74 TRIANDRIA DIGYNIA. [CL. III. 



* Awntd. 



1. A. Spica-vtnti. Silky Bent-grass. Awn straight, stiff, many times 



longer than the corolla ; panicle loosely spreading. Straw two or 



three feet high, erect, smooth : leaves ribbed, spreading : panicle large, 

 silky-looking : outer husk rough with tubercles, inner cleft at the point. 

 Annual : flowers in June and July : grows in sandy fields in England : 

 rare. Eng. Bot. vol. xiv. pi. 951. Eng. Ft. vol. i. p. 89. 117. 



2. A. canina. Brown Bent-grass. Awn arising from below the middle 

 of the husk, curved inwards, twice the length of the husks; stems decum- 

 bent, with prostrate shoots ; stipules lance-shaped. Root creeping : 



straws more or less decumbent and rooting at the base, about two feet 

 long, slender, smooth : leaves roughish on both sides : panicle spreading 

 when in flower, with thread-like, angular, rough branches. Perennial : 

 flowers in June and July : grows in meadows and pastures : common. 

 Eng. Bot. vol. xxvi. pi. 1856. Eng. FL vol. i. p. 90. 118. 



3. A. setdcea. Bristle-leaved Bent-grass. Awn from near the base 

 of the husk, curved inwards ; chaff-scales lance-shaped, tapering, rough ; 



root-leaves bristle-shaped ; straw nearly erect ; panicle close. Root 



tufted : stems about a foot high, slender, smooth : stipules lance-shaped : 

 panicles cylindrical, with angular, bristly branches : inner husk very 

 small. Perennial: flowers in July and August: grows on dry heaths 

 in the south of England. Eng. Bot. vol. xvii. pi. 1188. Eng. FL vol. i. 

 p. 91. 119. 



** Generally awnless. 



4. A. vulgdris. Fine Bent-grass. Panicle spreading, with smooth, 

 divaricated hair-like branches ; chaff-scales nearly equal ; straw erect ; 



stipules very short, abrupt. Root creeping : straws about a foot high : 



panicle smooth, with purplish flowers. Perennial : flowers in July and 

 August : grows in meadows and pastures : common. Eng. Bot. vol. xxiv. 

 pi. 1671. Eng. Fl. vol. i. p. 92. 120. 



5. A. Alba. Marsh Bent-grass. Panicle spreading, with rough 

 branches ; chaff-scales lance-shaped, bristly on the keel ; straw oblique, 



creeping in its lower part ; stipules oblong. Root and stems creeping, 



and sending out long prostrate shoots : panicle at length spreading, with 

 tufted branches, and green or purple flowers. Perennial : flowers in 

 June and July : grows in moist meadows, and places inundated in 

 winter, and on the other hand frequently in dry sand, exhibiting great 

 diversity of appearance : common. This is the famous Fiorin-grass of 

 agriculturists. It hardly deserves the notice which it has received. 

 Wild geese and ducks are fond of its juicy stems and roots, which have 

 a sweet taste. Eng. Bot. vol. xvii. pi. 1189, and vol. xxii. pi. 1532. 

 Eng. Fl. vol. i. p. 93. 121. 



20. CY'NODON. DOG'S-TOOTH-GRASS. 



Calyx of two nearly equal, lance-shaped, acute, keeled, awnless 

 scales, containing a single flower. Corolla of two unequal, keeled, 

 compressed, awnless husks, the outer much broader and embracing 

 the other. Nectary of two minute scales. Filaments rather longer 

 than the husks. Anthers cleft at both ends. Gernien egg-shaped. 

 Styles distinct. Stigma feathery. Seed egg-shaped, invested by 

 the hardened husks. Named from cyan, a dog, and odous, a 

 tooth. 36. 



