RIVET OR CONE WHEAT 251 



Kornicke received samples as " Giant wheat " from an exhibition in Denver, 

 Colorado, U.S.A. 



A dense-eared form of wheat from Baluchistan has been referred to var. 

 melanatherum by Howard. 



The B16 Garagnon du Langnedoc, cultivated in the south and north-west 

 of France, is a form of this variety or of var. nigrobarbatum . 



1. Received from Italy and Greece. 



Young shoots, semi-erect ; young leaves pubescent. 



Straic, tall, 130 cm. (about 51 inches) high ; upper internode hollow. 



Ear, long and lax, 9-10-5 cm. long, square, 12-13 mm. across the sides ; 

 spikelets 22-24, 3-grained ; = 25-28 ; awns 14-15 cm. long (Ear type I, Fig. 

 158). 



Empty glume, 9 mm. long, with a black line along the outer margin ; apical 

 tooth short and blunt (i, 8, Fig. 152). 



Grain, mealy, large, dorsal ridge prominent ; 8 mm. long, 4 mm. broad, 3-9 

 mm. thick. 



2. Carosellone del Molise. A well-marked form received from Italy : 

 similar forms also from Spain and Greece. 



A form from Spain under this name has red grains (see below, var. nigrobar- 

 batum, Desv.). 



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



Straw, tall, 132 cm. (about 52 inches) high ; upper internode hollow with 

 thick walls. 



Ear, 6-5-8 cm. long, dense, compressed, 10-12 mm. across the face, 15 mm. 

 across the 2-rowcd side ; spikelcts 23-25, 2- to 3-graincd ; D <- 38-44 ; awns 9-10 

 cm. long, black at the base, the upper half pale (Kar type i, Fig. 158). 



Empty glume, 7 mm. long, apical tooth acute, in some cases blunter, 1-2 mm. 

 long (Forms i, 4, Fig. 152). Sometimes the glume is entirely white ; usually, 

 however, there is a narrow black line along the outer margin, and in some 

 seasons the dark pigment spreads over the rest of the glume ; these colour 

 variations are found in plants raised from a single ear. 



Grain, mealy, apex truncate, dorsal hump prominent, radicle end sometimes 

 dark brown ; 7-8 mm. long, 3-5-4 mm. broad, 3-5-4 mm. thick. 



Ear bearded, simple ; glumes rchile, glabrous ; atcns black ; grain rtd. 



T. turgidum, var. nigrobarbatum, K6rn. I/andb. d. (ietr i. oo (1885). 



Kornicke obtained this variety from Spain, and Werner mentions its cultiva- 

 tion in the south of France. 



Flaksbergcr states that a winter form of it is found in the TiHis and Baku 

 Provinces of Transcaucasia. 



I have had it from Greece, Spain, and the United States. 



i. Phillipino, received from the United States of America, and form* sent 

 from Spain and Greece, belonii to this variety. 



} oung shoots, semi-erect ; young leaves pubescent. 



