312 THE WHEAT PLANT 



4. Glumes red, pubescent. 



a. Grain white ...... var. rubriceps, Korn. 



b. Grain red ...... var. echinodes, Korn. 



5. Glumes blue-black, glabrous. 



Grain red ...... var. atriceps, Korn. 



6. Glumes blue-black, pubescent. 



Grain red ..... var. atrierinaceum, Korn. 



II. Ears beardless 



1. Glumes white, glabrous. 



a. Grain white ...... var. Humboldtii, Korn.- 



b. Grain red ..... var. Wernerianum, Korn. 



2. Glumes white, pubescent. 



a. Grain white ...... var. linaza, Korn. 



b. Grain red ..... var. Wittmackianum, Korn. 



3. Glumes red, glabrous. 



a. Grain white ...... var. rufulum, Korn. 



b. Grain red . . . . . . var. creticum, Korn. 



4. Glumes red, pubescent. 



a. Grain white ...... var. crassiceps, Korn. 



b. Grain red . . . . . var. rubrum, Korn. 



5. Glumes bluish-red, pubescent. 



Grain red ...... var. clavatum, Korn. 



6. Glumes black, pubescent. 



Grain red ...... var. atrum, Korn. 



Ear bearded ; glumes white, glabrous ; grain white. 



T. compactum, var. splendens, Korn. Handb. d. Getr. i. 53 (1885). 



T. vulgare splendens, Alef. Landw. Fl. 328 (1866). 



T. vulgare, Q., Metzger. Eur. Cer. 10 (1824). 



Kornicke received from Chili, under the names Trigo de la Vuida and 

 Trigo Carbillo, a form of this variety with short thrck ears, broader across the 

 side than the face, with straight spreading awns ; he also states that the variety 

 is met in North America and Italy. 



Flaksberger records its occurrence in Semiretchensk, Semipalatinsk, and 

 Turkestan. 



Ear bearded ; glumes white, glabrous ; grain red. 



T. compactum, var. icterinum, Korn. Han'db. d. Getr. i. 53 (1885). 



T. vulgare icterinum, Alef. Landw. Fl. 328 (1866). 



T. vulgare, P., Metzger. Eur. Cer. 10 (1824). 



One of the most widely distributed varieties of T. compactum, forms of it 

 being sent to me from France, Germany, Spain, Rhodesia, Turkey, Asiatic 

 Russia (Bokhara and Semiretchensk), Manchuria, and the United States. 

 Flaksberger mentions its occurrence in Siberia, Turkestan, the Caucasus, Amur, 

 and China, and states that it was formerly found in European Russia. 



