Agropyron GRAMINEAE Hordeum 



2. Agropyron mayebaranum Honda (Bo. Ma. T. 41: 384). Culms 60-90 cm. high; fls. 

 V; fr. VII. Eastern Asia; locally in Ku. Wet places and grassy hills. 



3. Agropyron integrum (Keng) Keng (A. ciliare (Trin.) Franch. var. integrum Keng) 

 (CBLS 10:186). Culms 75cm. high; fls. V; fr. VIII. Southeastern China; locally 

 in Ku. Roadside thickets. 



4. Agropyron ciliare (Trin.) Franch. (Mak.F.871). Culms 30-120 cm. high; fls. V; 

 fr. VII. Eastern Asia; locally in An., Che., Ku. Waste roadsides and grassy 

 slopes. 



4a. Agropyron ciliare var. pauperum Keng (CBLS 10:187). Culms 20-25 cm. high; 



fls. VII; fr. VIII. Southeastern China; locally in Ku. Moist grassland. 

 4b. Agropyron ciliare var. submuticum Honda (To. J. Sc. Bo. 3:27). Culms 30-120 cm. 



high; fls. V; fr. VII. Eastern Asia; locally in Ku. Slopes and moist ground. 



There exists in our area great variation in the degree of hairiness, or lack of it, on the 

 lemmas of A. ciliare, so that distinct entities based on this character are very difficult to define. 



32. Triticum Linn. Wheat /b^K (Hsiao Mai Shu) 



Annuals with simple culms and thick terminal spikes: spikelets placed sidewise to 

 the rachis, 3-5-fld., solitary at each node of the rachis: glumes rigid, 3-several-nerved ; 

 lemmas broad, keeled above, without callus, 5-9-nerved, abruptly pointed or awned: 

 grain free. About 10 species, in southern Europe and western Asia. (The ancient 

 Latin name for wheat.) 



1. Triticum aestivum Linn. Wheat /Jn^ (Hsiao Mai; Small Wheat) (Hitch.243). 

 Culms 60-120 cm. high; fls. IV; fr. V; grain free. Widely cultivated; locally in 

 An., Che., Hon., Hun., Hup., Ki., Ku. Cultivated fields. Fig. 420. 



33. Lolium Linn. Ryegrass IS^M (Tu Mai Shu; Poisonous-wheat Genus) 



Perennials with slender usually flat terminal spikes: spikelets solitary, placed edge- 

 ivise in alternate notches of a continuous rachis: glume 1, the first wanting (except on 

 the terminal spikelet), the second outward, strongly 3-5-nerved, equaling or exceeding 

 the first floret; lemmas convex, 5-7-nerved, awnless or awned. About 8 species, in 

 the Old World; 2 introduced in China. (The ancient Latin name for darnel.) 



Key to the Species 



Spikelets 10-20-fld.: lemmas awned; annual 1. L. mutiflorum 



Spikelets 6-10-fld. : lemmas awnless; perennial 2. L. perenne 



1. Lolium multiflorum Lam. Italian Ryegrass (Hitch. 275). Culms 30-75 cm. high; 

 fls. VI; fr. VII. Introduced from Europe; locally in Ku. Fields and roadsides. 



2. Lolium perenne Linn. Perennial Ryegrass (Hitch. 275). Culms 30-60 cm. high; 

 fls. VI; fr. VII. Introduced from Europe; locally in Ku. Fields and roadsides. 



34. Hordeum Linn. Barley ±^M (Ta Mai Shu) 



Annuals (ours) with terminal spikes: spikelets 1-fld., 3-nate at each node, the floret 

 dorsi ventral to the rachis: glumes narrow, subulate or setaceous, standing in front of 

 the spikelet; lemma rounded on the back, obscurely 5-nerved, tapering to a long awn 

 or awnless. About 20 species, in temperate zone; 3 in China. (The ancient Latin 

 name for barley.) 



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