224 THE WHEAT PLANT 



1. Medea or Trigo raspinegro de Medea. Received from Spain. 

 Young shoots semi-erect ; young leaves glabrous. 



Straw, of medium height, 106 cm. (about 42 inches) high, upper internode 



solid. 



Ear, lax and square, 9-10 cm. long, 10-11 mm. across the sides ; spikelets 

 22, 3 -grained ; = 25-26; awns 17-18 cm. long, their bases jet black (Ear 



type i, Fig. 142). 



Empty glume, 10 mm. long ; apical tooth acute, i mm. long (6, 9, Fig. 138). 

 Grain, semi-flinty, 8 mm. long, 3-7 mm. broad, 3-6 thick. 



2. Russian Form. 



Young shoots, semi-erect ; young leaves glabrous. 



Straw, short, 90 cm. (about 35 inches) high ; upper internode hollow. 



Ear, lax, 8-9 cm. long, square, 10 mm. across the sides ; spikelets 20-22, 



2- to 3-grained ; D =27 ; awns 15 cm. long (Ear type i, Fig. 142). 



Empty glume, 9 mm. long ; apical tooth acute, i mm. long (8, Fig. 138). 

 Grain, flinty, dorsal ridge prominent, 7-7 mm. long, 3-4 mm. broad, 3-2 mm. 

 thick. 



Similar forms from Spain. 



3. Trigo pinot and others received from Spain. 

 Young shoots, erect ; young leaves glabrous. 



Straw, tall, 140 cm. (55 inches) high ; upper internode solid. 

 Ear, dense, 6-5-8 cm. long, square, 10-13 mm. across the side or compressed, 

 9 mm. across the face, and 11-12 mm. across the side; spikelets 21-23, 



3- to 4-grained ; D = 32-35 ; awns 15 cm. long (Ear type i, Fig. 144). 



Empty glume, 9-10 mm. long ; apical tooth short, acute, i mm. long (5, 7, 

 Fig. 138). 



Grain, flinty, 8 mm. long, 3-8 mm. broad, 3-75 mm. thick. 



Trigo Colorado, Trigo berberisco, and others from Spain are similar to this 

 form. 



4. Trigo bascufiano and others from Spain, and Mourisco vermelho from 

 Portugal. 



Young shoots, semi-erect ; young leaves glabrous. 



Straw, tall, 130 cm. (about 51 inches) long ; upper internode solid. 



Ear, short, dense, and tapering towards the apex ; 5-7 cm. long, 10 mm. 

 across the face, 13-15 mm. across the sides ; spikelets 20-23, 2 " to 3-grained ; 

 D = 37-40 ; awns 13-15 cm. long (Ear type 2, Fig. 144). 



Empty glume, 9-10 mm. long ; apical tooth broad and bluntish, 1-1-5 mm - 

 long (9, n, Fig. 138). 



Grain, flinty, with high dorsal ridge; 8-8-2 mm. long, 3-1-3-4 mm. broad, 

 3-6-3-8 mm. thick. 



5. A form from Alexandretta, Asia Minor, has the following characters : 

 Ear, short, compressed, 6-7 cm. long, 8-9 mm. across the face, 13-14 mm. 



across the side ; spikelets 20 ; D = 35 ; awns stout, jet black, about 14 cm. long 

 (Ear type 2, Fig. 144). 



