Hordeae according to Hackel.  The information comes from Pages 76-89 in Engler, A. and K. Prantl.  1889.  Die naturlichen Pflanzenfamilien.  Leipzig, Germany.  Genera in red are still included in the Hordeae. Bentham's view was similar.

Subtribe Genus Number of species
NARDEAE
Nardus 1
LOLIEAE
Lolium 6
Kralikia 1 [Now included in Tripogon fide Clayton & Renvoize}
Oropetium 1
Jouvea 1
Monerma 3
LEPTUREAE
Lepturus 4
Scribneria 1
Psilurus 1
TRITICEAE
Agropyron 32
Haynaldia 2
Secale 2
Triticum 15, 12 in sect. Aegilops, 3 of Triticum in section Sitopyros
Heteranthelium 1
ELYMINEAE Hordeum 16
Elymus 30
Asprella [= Hystrix] 4
Pariana 10 [A genus  of herbaceous bamboos]