184 BOTANY. 



Artemisia feigida, Willd. Wisconsin to the Saskatchewan and Wash- 

 ington Territory, and along the mountains eastward to New Mexico, East 

 Humboldt Mountains, on a ridge 8,000 feet high, and in the Bear Eiver 

 bottom near Evanston, at 6,000 feet elevation; July, August. (643.) 



Artemisia scopulorum, Gray. Proc. Acad. Phila., March, 1863, i?. GQ. 

 Csespitose ; caudex creeping, scaly with vestiges of former leaves ; stems 

 3-8' high, simple ; leaves, Hke the stem, silky-hairy ; the radical ones 1-2' 

 long, bipinnately cleft into a few very narrow linear divisions ; upper ones 

 gradually smaller and simpler, passing into Hnear bracts ; heads hemispher- 

 ical, 2-3" broad, short-stalked, forming a spike or raceme interrupted be- 

 low ; involucral scales oval, villous on the back, and having a broad scarious 

 dark-brown or blackish border ; receptacle very villous with hairs as long 

 as the florets ; florets 18-30 ; a very few of the outer ones with imperfect 

 corollas, pistillate, fertile ; the others perfect and fertile, with funnel-form 

 corollas.— Colorado, (41 Parry in 1862, 299 Hall & Harbour, 313 Vasey.) 

 Uinta Mountains, Bear River Caflon, in a rocky gorge and by an alpine lake ; 

 10-12,000 feet altitude ; August. (644.) 



Gnaphalium luteo- album, L., Var. Sprengelii. [G. Bprengelii, Hook. 

 & Arn.) Annual, whitened with loose wool ; stems 6-30' high, simple below, 

 corymbose with long branches toward the summit, (sometimes unbranched ;) 

 leaves slightly decurrent ; lower ones 2-3' long, linear spatulate, obtuse ; 

 upper ones linear-lanceolate, acute ; heads clustered ; involucral scales shin- 

 ing, yellowish -white, scarious, oblong-ovate, rather obtuse ; pistillate florets 

 very numerous, in several rows outside of the perfect ones ; achenia ^ larger 

 and smoother than in the European plant. — Oregon and California, to New 

 Mexico and Texas. Banks of the Truckee River and in Humboldt Pass, 

 Nevada, and by a ditch in a meadow in Utah Valley; 4-6,000 feet elevation; 

 August, September. (645.) 



Gnaphalium palustre, Nutt. Low, 1-9' high, white-floccose ; stems 

 several or many, from an annual fibrous root, ascending, branched ; leaves 

 spatulate-oblong or oblong-linear, 8-12" long, 2-2 J" broad, the lower ones 

 narrowed at the base ; heads in small very woolly and leafy terminal and axil- 

 lary clusters ; involucral scales linear, rather obtuse, the base greenish, hid- 

 den in wool, the upper part scarious, white or brownish-white ; florets nu- 

 merous, a few only of the central ones perfect ; achenia smooth or very 

 minutely scabrous.—Oregon and California to Wyoming and New Mexico ; 



