T^ORTH AMERICA^^ HAKU^'CULl. 59 



south-central California, where it was collected in 1875 by 

 Mr. F. P. McLean, In this the segments of the cauline 

 leaA'es are narrowly linear. In a larger plant from the 

 plains near Yisalia, in the same general district, obtained by 

 Dr. T, J. Patterson, Marcli, 1886, the segments are broad. 

 Mr. McLean's specimens are labeled, in his handwriting, R. 

 recurcatusj but the species is most related to i?. Callfomi' 

 Cits, from which, in view of the somewhat pitted and rugose 

 ^ achenes and different habit, it is necessary to separate it* 



R. SUBSAGITTATUS. R. AvizonicHS^ Tar. suhsagttiiififs^ 

 Gray, Proc. Am. Acad. xxi. 370 (1886). Two feet high, erect 

 and stoat, softly villous, the pubescence somewhat deciduous : 

 the later radical leaves 2 or 3 inches long, cordate-oblong or 

 the basal lobes subsagittate, the earlier smaller and cordate- 

 orbicular or bat little elongated, all coarsely and somewhat 

 ' regularly toothed ; the cauline few and cleft into linear 

 segments: sepals spreadin^:, almost caducous : petals oblong- 

 obovate, more than ^ inch long : head of achenes oval or 

 oblong : achenes thick-lentiform, rather acutely margined, 

 pubescent, a line long exclusive of the slenderly subulate 

 short straiglitish style. 



In moist lands along streams iii the open plains at the base 

 of Mt. San Francisco, northern Arizona. I had this plant m 

 very imperfect state from Dr. Kusby who obtained it in 1883. 

 Later Mr. Lemmon has distributed it as the type of his IL 

 Arizomcas. He tells me that this is what he sent to Dr. 

 Gray for the type of that species ; and I have recently seut 

 out two or three specimens of my own collecting last year 

 ^mJer the name "i?. Arizoniciis, Lemmon." While it is 

 undoubtedly the most strikingly distinct Ranunculus of the 

 three forms published by Dr. Gray under the specific name 

 of Arizonicas, it is not what he took for the type of that 

 species. It is in general a much larger plant than he sup- 

 posed, and has a differently shape^ head of achenes ; for it 

 is seldom or never nearly "oval." Dr. Rusby's specimen 

 above referred to differs from those of Mr. Lemmon and 



