57 



UOSACEAE 



Opulaster capitatus (Pursh) Kuntze, Rev. Gen. PI. 949. 

 1891. 



Spiraea capitata Pursh, Fl. Am. Sept. 1 : 342. 1814. 



No. 8057, collected June 17, on the banks of the upper Sac- 

 ramento west of Sisson. Unlike some of the other species of 

 the genus, this shrub always occurs near water or in moist places. 

 The type was obtained by Menzies "on the north-west coast." 



Spiraea douglasii Hook. Fl. Bor. Am. 1: 172. 1830. 



No. 8085, collected 22, near Igerna, Siskiyou county, in 

 low moist places. It is a low shrub three or four feet high, the 

 leaves much less whitened than in the typical form. Rather 

 common from Sisson north to Edgewood. 



RuBACER PARViFLORUM (Nutt.) Rydb. Bull. Torr. Club, 30: 

 274. 1903. 



Rubiis parviflorus Nutt. Gen. 1: 308. 1818. 



Rubus Nutkamis Moc. in DC. Prod. 3: 566. 1825. 



No. 7949, collected June i, on the Sacramento opposite 

 Upper Soda Spring, Siskiyou county. The leaves are pubes- 

 cent, but are thin, with longish acute divisions and irregular 

 teeth, as in this species. Common in the canyon of the Sacra- 

 mento in damp places. Type locality, "on the island of Mich- 

 ilimackinak, lake Huron." 



PoTENTiLLA GRAC11.IS Dougl.; Hook. Bot. Mag.//. 2gs4. 1830. 

 No. 8092, collected June 22, in a meadow near Igerna, Sis- 

 kiyou county. These specimens are by no means slender, but 

 they match others named gracilis. 



PoTENTiLLA MiLLEFOLiA Rydb. Bull Torr. Club, 23: 433. pi. 

 2 J 7./. i-j. 1896. 

 No. 8074, collected June 20 at Gazelle, Siskiyou county, in 

 a moist place in a field just north of the station. Mrs. Brande- 

 gee found it at Edgewood, July i, 1887, the first station south 

 of Gazelle. The type was collected in 1875 by Lemmon, no 86, 

 probably somewhere in Sierra county. 



