292 CALIFORNIA ACADEMY OF SCIENCES. 



mesa above Butler Spring. It was in fruit; only one 

 flowering specimen was seen. 



It seems to be the same as Houston/a rubra Cav. of 

 the Synoptical Flora, page 25. It does not agree, how- 

 ever, with the plant described and figured by Cavanilles 

 Ic, v, 48, t. 474, fig. 1. 



Type locality: "Near the Mexican town, Ixmiquik- 

 pan." 



According to Cavanilles, H. rubra has a globose stigma 

 not exserted beyond the throat of the corolla, sessile pods, 

 subglobose seeds and red flowers. 



I have examined Pringle's 274, hills and plains near 

 Chihuahua ; Rusby's 269,, Mt. Defiance (near Bluewater) , 

 Lemmon's 2725, Igo's Ranch, near Huachuca Mountains, 

 Arizona, and specimens collected by Benson, in Arizona. 

 All show the two-lobed stigma, which is conspicuously 

 exserted, except in Lemmon's specimen, where the 

 stamens are exserted and the stigma included. These 

 are all labeled H. rubra, but I am compelled to believe 

 them not that species, as they all agree in the main with 

 my specimens, and have the same environment, viz.: 

 " Stony or gravelly hills." 



34. Galium acutissimum Gray, Proc. Am. Acad., vii, 

 350 (male plant). 



Type locality: " Between the Rio del Norte and New 

 Mexico." 



Collected by Dr. Newberry. Identified with G. stella- 

 tum Kellogg, Proc. Cal. Acad. Sci., ii, 97. 



Type locality: " Cerros Island " (Cedros Island). 



Kellogg describes G. stellatum as having hoary, stellate 

 pubescence, which suggests the name for his species. 

 My specimens are not in the slightest degree stellate 

 pubescent, rather scabro-puberlent, as Gray describes G. 

 acutissimum to be. These two, it seems to me, are dis- 



