xv, 3 Merrill: Notes on the Kwangtung Flora 221 



retained in Manila; one was sent to Dr. A. Chevalier, director 

 of the Institut Scientifique in Saigon, Indo-China; one to the 

 Canton Christian College, Canton, China; one to the library of 

 the United States Department of Agriculture, Washington; one 

 to the British Museum (Natural History), London; and one 

 to the Museum d'Histoire Naturelle, Paris. The essential object 

 in preparing this manuscript was to establish a basis for further 

 investigations regarding the status of Loureiro's species, as there 

 still remains a high percentage of forms that are unintelligible 

 from the descriptions alone. Eventually, when we shall have 

 secured sufficient additional data to warrant doing so, it is hoped 

 that a critical revision of Loureiro's species may be prepared 

 and published. 



The manuscript mentioned above summarizes in convenient 

 form all the data at present available regarding the status of 

 Loureiro's species in relation to those described by other authors, 

 and from it can be determined those that are definitely known 

 and those that are of a more or less doubtful status. Fourteen 

 genera have not definitely been placed, of which twelve have not 

 been referred to their proper families, while about three hundred 

 seventy-five species are still more or less doubtful, and cannot, 

 from the description alone, be safely correlated with those of 

 other authors. Of these doubtful species many cannot be re- 

 ferred to their proper genera, and nearly fifty cannot be even 

 referred to their proper families. Any great reduction in this 

 rather high percentage of doubtful species cannot be expected 

 until intensive field work shall have been prosecuted, with spe- 

 cial reference to the problem, in southern China but more es- 

 pecially in Cochin China, in the vicinity of Hue where Loureiro 

 resided. 



GRAMINEAE 



AGROPYRON Gaertner 



AGROPYRON CILIARE (Triii.) Franchet in Nuov. Arch. Mus. Paris II 

 7 (1884) 151. 

 Triticum ciliare Trin. in Bunge Enum. PL Chin. Bor. (1831) 72. 



Kwangtung Province, Shiuchow T region, To Kang P'eng 2827, 

 April, 1919. 



A species of wide distribution in northern and central China 

 but no representative of the genus hitherto recorded from as far 

 south as Kwangtung. 



