1 92 THE WHEAT PLANT 



VARIETIES OF T. dicoccum, Schiibl. 

 GROUP I. INDO-ABYSSINIAN EMMERS. Coleoptile 4- (3-6) nerved. 



SECTION A. Speltae. Rachis fragile, 

 i . Ears bearded 



(i) Glumes white, glabrous ; grain red .... var. Ajar, mihi 



SECTION B. Tenaces. Rachis tough, 

 i . Ears bearded 



(1) Glumes white, glabrous ; awns white ; 



grain red ....... var. uncinatum, mihi. 



(2) Glumes white, glabrous ; awns black ; 



grain red ...... var.pseudo-uncinatum, mihi. 



(3) Glumes white, glabrous ; grain purple . . var. Arraseita, mihi. 



(4) Glumes white, pubescent ; grain white . . var. tomentosum, mihi. 



(5) Glumes red, glabrous ; grain red . . . var. rufescens, mihi. 



(6) Glumes red, glabrous ; grain purple . . var. Schimperi, mihi. 



(7) Glumes dark brown or mottled, pubescent . var. persicum, mihi. 



GROUP II. EUROPEAN EMMERS. Coleoptile 2-nerved. 

 i . Ears bearded 



(1) Glumes white, glabrous. 



i. Awns short ...... var. tricoccum, Korn. 



ii. Awns long. 



a. Ears simple * narrow . . . var. farrum, Korn. 



** broad and dense . . var. liguliforme, Korn. 



b. Ears branched .... var. albiramosum, Korn. 



(2) Glumes white, pubescent. 



i. Awns short. 



a. Ears simple ..... var. submajus, Korn. 



b. Ears branched ..... var. Metzgeri, Korn. 

 ii. Awns long. 



a. Narrow lax ears. 



* Awns straight .... var. semicanum, Korn. 



** Awns bent, often black . . . var. flexuosum, Korn. 



b. Broad dense ears ; black awns . . var. majus, Korn. 



(3) Glumes red, glabrous. 



i. Awns short. 



a. Ears simple ..... var. Fuchsii, Korn. 



b. Ears with double spikelets . . . var. Dodonaei, Korn. 



c. Ears branched . . . . var. cladurum, Korn. 

 ii. Awns long. 



a. Ears simple. 



* Narrow ..... var. rufum, Korn. 



** Broad and dense .... var. pycnurum, Korn. 



