December 30, 1907 3-7 



and more elongated on lonj^xr pcliolcs. The type was collected 

 "in Tualatin plains, Oregon." The varietal name taken up by 

 Piper, although older, must give way to the later specific one of 

 Gray. 



ASCLEPIADAl^EAK Lindl. Nat. vSyst. Kd. 2, 302. 1H36. 

 GoMPHOCARPUS TOMKNTosus (Torr.) Gray, Bot, Cal. 1 : 477. 

 1876. 

 Acerates {Aitaiitherix) iomentosus Torr. Bot. Mex. Bound. 



160. pi. 44. 1859. 

 Asclepias Californica Greene, Erythea 1: 92. 1893. 

 No. 8596, collected May 30, near the top of the grade be- 

 tween Hall's valley and Smith Creek, Santa Clara count)-, ele- 

 vation 2200 feet, on open and steep gravelly banks, not uncom- 

 mon, Jepson quotes only Brewer's specimen from Mt. Diablo, 

 overlooking: Greene's record of it from Mt. Hamilton. On the 

 plate cited above under the original description is found the 

 name '-'•Asclepias tomentosa'^ instead of Acerates^ as in the texf. 

 The type came from "mountains east of San Diego, California." 



CONVOLVULACEAE Vent. Tabl. *l\ 394. 1799. 



Convolvulus ARVRNSis L. Sp. PI. 153. 1753. 



No. 8553, collected May 18, along the roadside near Cuper- 

 tino, Santa Clara county, elevation 200 feet. A widely distrib- 

 uted species, native of Europe, with us blooming the greater 

 part of the year. 



Convolvulus subacaulls (H. & A.) Greene, Manual 265. 1894. 



Calystegia subacaulis H. & A. Bot. Beech. 363. 1840. 



Convolvulus californiais Choisy, DC. Prodr. 9: 405. 1845. 



No. 8557, collected May 23, about thiee miles beyond San 

 Mateo, San Mateo county, on the Half Moon Bay road, eleva- 

 tion 200 feet, growing in stiff black soil along the roadside. The 

 leaves on these plants are somewhat elongated, acute, hastate at 

 at base. 



