248 THE WHEAT PLANT 



8. Glumes red, pubescent ; awns black. 



i. Ear simple, grain red . . var. rubroatrum, Korn. 



9. Glumes blue-black, glabrous ; awns black. 



i. Ear simple, grain white . . . var. Herrerae, Korn. 

 10. Glumes blue-black, pubescent. 



i. Ear simple, grain red . . var. iodurum, Korn. 



ii. Ear branched, grain red . . . . var. coeleste, Korn. 



II. Ears beardless 



i. Glumes blue-black, pubescent. 



i. Ear simple, grain red ... var. subiodurum, Korn. 



Ear bearded, simple; glumes white, glabrous; awns white; grain white. 



T. turgidum, var. lusitanicum, Korn. Handb. d. Getr. i. 59 (1885). 



A widely distributed variety cultivated in France, Spain, and Greece, and 

 according to Kornicke in Portugal, Italy, and Chili ; Flaksberger mentions the 

 occurrence of this variety in small amounts in Russia, Turkestan, and Siberia. 



1. Trigo Santa Salamanca. A spring form received from Spain. 

 Young shoots, semi-erect ; young leaves pubescent. 



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



Ear, lax, 10-11 cm. long, square, 10-11 mm. across the sides, or somewhat 

 compressed, 9-11 mm. across the face, and 11-14 mm - across the side ; edges of 

 the rachis with long hairs ; spikelets 23-26, 2- to 3-grained ; = 25-27 ; awns 

 rough, 16-20 cm. long (Ear type 2, Fig. 156). 



Empty glume, flattish, 8 mm. long with acute apical tooth (2, Fig. 152). 



Grain, very large, flinty, narrowed at the truncate apex, dorsal hump pro- 

 minent ; 8-9 mm. long, 4 mm. broad, 3-75 mm. thick. 



2. A winter form received from Greece and Italy. 



Young shoots, prostrate or semi-erect ; young leaves pubescent. 



Straw, hollow, with thick walls. 



Ear, 7-10 cm. long, square, 10-12 mm. across the side, or somewhat com- 

 pressed, 9-10 mm. across the face, and 10-12 mm. across the side ; spikelets 

 22-24, 3-grained ; = 30-33 ; awns 9 cm. long (Ear type 2, Fig. 157). 



Empty glume, 8 mm. long ; apex narrowed, sometimes with a black line along 

 the margin ; apical tooth short, acute (i, Fig. 152). 



Grain, large, mealy ; apex truncate ; dorsal hump prominent ; 8-2-8-5 mm. 

 long, 4-4-4 mm. broad. 



3. P^tianelle blanche or B16 Hybride Galland. A winter or early spring 

 form received from France. 



Vilmorin states this form is cultivated in Central and Southern Italy, from 

 which country it was introduced into France ; it is a strong-growing form 

 adapted to alluvial and the stiffer loamy soils in a warm climate. 



Young shoots, semi-erect ; young leaves pubescent. 



Straw, very tall, coarse, striate, 152 cm. (about 60 inches) high; upper 

 internode hollow with thick walls. 



