Brachypodium GRAMINEAE Briza 



(Greek: brachy-, a prefix signifying short, and podos, a foot; referring to the short 

 pedicels of the spikelets.) 



1. Brachypodium sylvaticum (Huds.) Beauv. feffi^L (Tuan Ping Ts'ao; Short-pedicell- 

 ed Grass) (Hitch.57). Culms 40-80 cm. high; fls. VIII; fr. IX. Eurasia; locally 

 in An., Ku. Shady woods or grassy slopes. Fig. 410. 



18. Bromus Linn. Bromegrass 'M^M (Ch'io Mai Shu) 

 Perennials or annuals with closed sheaths: spikelets rather large, in open panicles: 

 lemmas 5-9-nerved, awned from the tip or from a short distance below the retuse or 

 2-toothed apex; ovary hirsute at apex with anteriorly placed styles. About 100 species, 

 in temperate regions; more than 10 in China. (Greek: broma, food, an ancient name 

 for the oat.) 



Key to the Species 



Perennial : awns terminal or nearly so 1 . B. remotiflorus 



Annual: awns arising from below or between the 2-toothed apex of 

 the lemma. 



Stamens 3: awns scaberulous, 5-14 mm. long 2. B. japonicus 



Stamens 2: awns scabrous, 4-6 cm. long 3. B. rigidus 



1. Bromus remotiflorus (Steud.) Ohwi {Schoenodorus remotiflorus (Steud.) Miq.) 

 (AMBL-B 2:283). Culms 60-120 cm. high; fls. VI; fr. VII; perennial. Eastern 

 Asia; locally in Che., Ki., Ku. Shady woods or ravines. 



2. Bromus japonicus Thunb. frj£ (Ch'io Mai; Bird's Wheat) (Hiteh.51). Culms 

 30cm. to lm.; fls. IV; fr. VII. Eurasia; locally in An., Che., Ku. Slopes and 

 roadsides. Fig. 411. 



3. Bromus rigidus Roth (Hitch.52). Culms 30-40 cm. high; fls. VI; fr. VII. In- 

 troduced in southeastern China; locally in Ki. Streambanks. 



19. Dactylis Linn. Orchard Grass H^M (Ya Mao Shu; Duck-grass Genus) 

 Tufted perennials: spikelets subsessile, crowded in 1-sided fascicles at the ends 

 of panicle brs.: lemmas 5-nerved, mucronate. A few species in temperate Eurasia 

 and North Africa; one in China. (Greek: dactylos, a finger; a name used by Pliny 

 for a grass with digitate spikes.) 



1. Dactylis glomerata Linn. var. altaica (Bess.) Keng (Si. 11: 410). Culms 60-120cm. 

 high; fls. VI; fr. VII; spikelets oblong; florets relatively distant. Eurasia; locally 

 in Ki. Mountainous roadsides. Fig. 412. 



20. Briza Linn. Quaking Grass &M&M (Ling Feng Ts'ao Shu; 



Wind-driven-grass Genus) 

 Annuals or perennials with flat lvs. and showy open panicles: spikelets broad, 

 glabrous, pendulous, often heart-shaped; the upper florets usually imperfect; glumes 

 with broad scarious margins; lemmas papery, broad; palea much shorter than its 

 lemma. 3 species, temperate Old World and South America; one in China. (Greek: 

 brizein, nodding.) 



1. Briza minor Linn. (Hitch.139). Glabrous; culms 15-25 cm. high; fls. V; frs. VI; 



447 



