CATALOGUE. 103 
Superior to Hudson's Bay and the Arctic Circle. In the Wahsatch Moun- 
tains, Utah ; 6,000 feet altitude ; July. (392.) 
LYTHRACE^. 
Ammannia latifolia, L. From Ohio to Missouri, thence to Louisiana, 
the Indian Territory, Western Texas, Northern. Mexico, and California. 
Found in Carson Valley, Nevada ; 4,500 feet altitude ; August. (393.) 
ONAGEACEiE. 
Epilobium alpinum, L. Northern New York and in the White Moun- 
tains; Arctic America from Greenland to Alaska; in the Eocky Mountains 
southward to Colorado ; Cascade Mountains, Oregon ; Sierras of California. 
Found in the East Humboldt Mountains, Nevada, and in the Wahsatch and 
Uintas ; 8-9,000 feet altitude ; July, August. (394.) 
Epilobium tetragonum, L. Stems erect, usually branching, 4-sided, 
glabrous or nearly so ; leaves opposite, oblong-lanceolate, acute, denticulate, 
the middle ones more or less decurrent along the angles of the stem, the 
lower somewhat petioled ; petals emarginate ; stigma clavate ; capsules 
pedicelled, minutely pubescent. — Stem 6-2° higli, angled by the slight 
decurrence of the leaf, the adjacent angles often confluent into a single line 
and sometimes nearly obliterated. Some of the specimens appear to be just 
as good E. coloratum, but in the want of any clear line of distinction, all are 
placed together. Canada to latitude 64° and west to the Pacific, Oregon, 
and California ; Colorado, (Parry.) Frequent in the mountains near water 
through Nevada and in the Wahsatch; 4,500-8,000 feet altitude; June- 
September. (395.) 
Epilobium paniculatum, Nutt. . Glabrous, or glandular-pubescent 
above ; stem erect, slender, terete, dichotomous above ; leaves narrowly liiifuir, 
obscurely serrulate, acute ; attenuate at base, mostly alternate and fascicled ; 
flowers few, terminating the spreading filiform and almost leafless branches ; 
calyx-tube infundibuliform ; petals, obcordate, nearly twice exceeding the 
calyx-lobes ; capsules short, acute at each end, straight or a little curved, 
erect or spreading. — Stems 3-3° high ; flowers 1-4" long, fight rose-color ; 
capsules J-l' in length ; sometimes glabrous tliroughout. From Washington 
Territory to Sacramento Valley and eastward to Colorado. Frequent in the 
