, 





CATALOGUE OF SPECIES. 191 



Pterostegia drymarioides Fisch. & Mey. Ind. Seni. Petrop. ii. 48 (1835). Typo 

 locality, "in portu Bodega Novae Californiae." 



Observed in Johnson (No. 486), Surprise (No. 646), and Willow Creek cations, Pan- 

 anniii Mountains, and in Caliente Valley, the latter locality in intramontane Cali- 

 fornia. The plants grew always in the shade of rocks and therefore in somewhat 

 moist soil. 



Polygonum acre II. B. K. Nov. Gen. &, Sp. ii. 179 (1817). Type locality, "locis 

 abditis, udiy prope Havanam et Caracas, (ad ripas Guayri, Calle de S. Juan et de S. 

 Bartolome), alt. 0-414 hex." 



Near Visalia (No. 1265). 



Polygonum amphibium L. Sp. PI. i. 361 (1753). Typo locality European. 

 Between Trout Meadows and Kern Paver (No. 1584). 



Polygonum aviculare L. Sp. PI. i. 362 (1753.) Type locality European. 



This weed was seen at Keeler, at Havilah, at several points between tlie latter 

 place and Tehacliapi Canon, and in cultivated soil near Tulare and Visalia. All 

 these stations except the first are in intramontane California. 



Polygonum bistoitoides Pursh, El. i. 271 (1814). Type locality, "in low grounds 

 on the banks of the Missouri, called Quamash-flals." The type specimen was col- 

 lected by Lewis and Clarke. 



Near Mineral King (No. 1401). 



Polygonum emersum (Mx.) Fl. i. 240 (1803), as P. avjphihium emertmm ; Britton, 

 Trans. N. Y. Acad. viii. 73 (1889). Type locality, "ad ripas fiumiiiis Ohio." 

 Near Visalia (No. 1266). This is Polygonum muhlenbergii (Meisn.) Wats. 



Polygonum hydropiperoides Mx. Fl, i. 239 (1803). Type locality, "in Pennsyl- 

 vania, Virginia, Carolina." 

 Near Visalia (No. 1262). 



Polygonum imbricatum Wats. Amer. Nat. vii. 665 (1873) — Nutt. in herb. Type 

 locality not given; range, "frequent in the mountains, alpine and subalpino, from 

 Colorado to Oregon and northern California." 

 Near Mineral King (No. 1508). 



Oxyria digyna ( F,. ) Sp. PI. i. 337 ( 1753), under Burner; Hill, Veg. Syst. x. 24 (1765). 

 Type locality European. 



This plant was found above limber-line, in the Sierra Nevada, near Mineral King, 

 on the mountain slope south of the White Chief Mine. 



Rumex crispus L. Sp. PI. i. 335 (1753). Typo locality European. 

 In Owens Eiver Valley (No. 1769). 



Rumex geyeri (Meisn.) in DC. Prodr. xiv. 64 (1856), as E. engelmanni geyeri; 

 Trelease, Sp. Rum. 78 (1892). Type locality, "in Rocky Mountains." 

 In the high Sierra Nevada (Nos. 1683, 2094), and in the White Mountains (No. 1804). 



Rumex hymenosepalus Torr. Bot. Mex. Bound. 177 (1859). Type locality, 

 "sandy soils from El Paso to the canons of the Rio Grande." 



This valuable tannin plant, canaigre. occurred only at rare intervals in the region 

 that we traversed. It was observed in the wash of Lytic Creek, near San Ber- 

 nardino (No. 17) ; in the Vegas Valley near Cottonwood Springs, and along the road 

 from Mohave to Searles's, between the summit and middle stations. 



Rumex salicifolius Weinm. Flora, 1821, i. 28 (1821). Type locality, "in Cali- 

 fornia." 



In Willow Creek CaTion, Panamint Mountains (No. 823), and in Tehachapi Valley 

 (No. 1117). The specimens of No. 823 are very large and robust. 



