CLUB, DWARF, CLUSTER, OR HEDGEHOG WHEAT 315 



Trigo canuto. A glaucous early form received from Spain mixed with var. 

 icterinum (p. 312). A form closely resembling it was received also from Bokhara. 

 They come into ear at the end of May at Reading. 



Young shoots, erect. 



Straw, of medium height, 102 cm. (40 inches) high, stout, hollow. 



Ear, 5-6 cm. long, 12-13 mm. across the face, 13-14 mm. across the side ; 

 spikelets 20-22 ; D =40 ; awns of flowering glumes 5-6 cm. long, stiff, divergent 

 (Ear type i, Fig. 194). 



Empty glume, 7 mm. long, with broad apex; apical tooth acute, 1-2-5 mm - 

 long (6, 8, Fig. 191). 



Grain, flinty, apex bluntish with prominent dorsal hump ; 7 mm. long, 3-4 

 mm. broad, 3-35 mm thick. 



Ear bearded ; glumes red, pubescent ; grain -white. 



T. compactum rubriceps, Korn. Handb. d. Getr. i. 54 (1885). 

 Kornicke's type was obtained from a cross. 

 Flaksberger mentions its occurrence in the Caucasus. 



Ear bearded ; glumes red, pubescent ; grain red. 



T. compactum, var. echinodes, Korn. Handb. d. Getr. i. 54 (1885). 



Kornicke's type was obtained from a cross. 



Flaksberger states that it occurs in the Caucasus. 



I have received it from China. 



An early form obtained among the progeny of a " clubbed " ear of T. vulgar e 

 (var. milturum) from Chungking, China ; the leaves, stems, and ears before 

 ripening are a yellowish grass-green tint. 



Young shoots, erect. 



Straw, short, 60-80 cm. (24-32 inches) high, stout, hollow. 



Ear, 4-4-5 cm. long, sometimes " clubbed," 15 mm. across the face, 20-22 

 mm. across the side ; spikelets 22 ; = 50 ; awns stiff, 3-5-4-5 cm. long (Ear 

 types i, 2, Fig. 197). 



Empty glume, 7-8 mm. long, narrow, with slender apical awn 5-8 mm. long 

 (4, 5, Fig. 191). 



Grain, flinty or semi-flinty with prominent dorsal hump ; 5-8-6-5 mm. long, 

 3-1 mm. broad, 3-15 mm. thick. 



Ear bearded ; glumes blue-black or dark brown, glabrous ; grain red. 



T. compactum, var. atriceps, Korn. Handb. d. Getr. i. 54 (1885). 



Known only to Kornicke from Seringe. 



Flaksberger records its occurrence in Semiretchensk and Turkestan, and 

 mentions an unnamed variety with white grain from Turkestan. 



The examples I possess originated from an ear of Herisson barbu (var. 

 icterinum} ; the colour of the glumes is not constant. 



Young shoots, prostrate. 



Straw, tall, 135 cm. (53 inches) high, somewhat slender, hollow, pink when 

 unripe. 



