CLUB, DWARF, CLUSTER, OR HEDGEHOG WHEAT 311 



The grains, which are white, yellowish, or red, are small, oval, narrow 

 towards the apex and plump, the cheeks right and 

 left of the shallow furrow usually well rilled 

 (Fig. 192). In some forms they possess a prominent 

 dorsal hump similar to that found in T. turgidum. 



The endosperm in the majority of forms is opaque ^ i, f 



and starchy, but in some it is flinty. ^ 



In well-developed grains the breadth is usually ^ 9 



greater than the thickness. 



Ml MM 



IIIMM 



FIG. 192. Grains of Club wheat (T. compac- 

 tum), front, back, and side views (nat. size). 



* . , FIG. 193. Grains of the 

 Below are given measurements ot grains taken spikelets of one side 



from the spikelets near the middle of the ear of of an ear of Club wheat 



. . (1 . compactum) mat. 



twenty-six varieties, size). 



I. Ears bearded 



VARIETIES OF T. compactum 



Glumes white, glabrous. 



a. Grain white . 



b. Grain red 



Glumes white, pubescent. 



a. Grain white . 



b. Grain red 

 Glumes red, glabrous. 



a. Grain white . 



b. Grain red 



var. splendens, Korn. 

 var. icterinum, Korn. 



var. sericeum, Korn. 

 var. albtceps, Korn. 



var. Fetisowit, Korn. 

 var. erinaceum, Korn. 



