236 BOTANY. 



Galium boreale, L. Northern States to the Arctic Ocean and Oregon, 

 and in the Rocky Mountains from Wyoming to New Mexicp ; Southern Cali- 

 fornia, (Xantus.) East Humboldt Mountains, Nevada, and in the Wahsatch ; 

 5-6,000 feet altitude ; June-September. (487.) 



VALEEIANACEJE. 



Valeriana dioica, L., Var. sylvatica. (F. sylvatica, Rich.) New- 

 foundland, and from Vermont to Wisconsin and the Saskatchewan, and in the 

 Rocky Mountains to latitude 56° ; Oregon, California, (Brewer,) Colorado 

 and New Mexico. Frequent in the East Humboldt Mountains, Nevada, and 

 in the Wahsatch and Uintas ; 6,500-9,000 feet altitude; June-Septem- 

 ber. (488.) 



Valeriana edulis, Nutt. Ohio, Wisconsin and Upper Canada ; Wash- 

 ington Territory, Utah and New Mexico. Toyabe Mountains and Ruby 

 Valley, Nevada, and in the Wahsatch ; 6,000 feet altitude ; June, July. (489.) 

 Plectritis^ congesta, DC. Corolla bilabiate, the spur small and much 

 shorter than the tube ; flowers capitate, or often verticillate. — Stems 4'-2° 

 high, with leaves 1-2' and corolla 3-4" long ; ovary pubescent, becoming 

 glabrous. From Washington Territory to Southern California. Frequent in 

 Nevada from the Washoe Mountains to Reese River ; Salt Lake Valley, 

 Utah; 5-5,600 feet altitude ; April-July. (490.) 



COMPOSITiE. 



BY PROF. DANIEL C. EATON. 



EuPATORiUM occiDENTALE, Hook. Nearly smooth, or puberulent toward 

 the top; stems about 1° high, slender, herbaceous from a somewhat woody 

 base ; leaves mostly alternate, on slender petioles, cordate-ovate or somewhat 

 deltoid, 1-1 J' long, more or less toothed, the upper ones often narrower; co- 

 rymbs rather simple, panicled ; heads 15-25-flowered ; involucral scales 

 linear-lanceolate, subequal, puberulent ; corolla pale reddish-white ; achenia 

 slender, glabrous or very sparingly glandular.^Oregon, California and Ne- 



' PLECTRITIS, LlNBL. Calyx-limb truncate, entire, almost none. Corolla-tube gibbous anteri- 

 orly, spurred at base ; limb 5-cleft, more Or less bilabiate. Stamens 3. Stigma capitate. Fruit with a 

 somewhat coriaceous triangular fertile cell; the two empty ones open to the base, forming involute 

 wings. — Annual glabrous herbs, with simple or sparingly branched stems; leaves entire, oblong or obo- 

 vate-spatulate, sessile ; flowers rose-color, aggregated in dense verticillate clusters or capitate ; bracts sub- 

 ulate, verticillate and iuvolucellate, united at base. 



