Citrus sp. from Mountains of Kansu, China. 
Tree in center is of the Citrus species (S.P.I. No. 
39897) exhibited on the previous plate. Found at eleva- 
tions of 2000-4500 feet in the Province of Kansu, China, 
by Mr. Frank N. Meyer, who reports it to be a thrifty spe- 
cies, a prolific bearer and in his opinion adapted to sec- 
tions north of the Citrus belt. Photo No. 13141, by Frank 
N. Meyer , Siku, Kansu, Nov. 13 , 1914. .... 
