CATALOGUE. 45 



short and fleshy, 1-flowered, articulated above the middle, where tliey are 

 involucrate with 5-7 subulate membranous verticillate scales; sepals some- 

 what hyahne; petals rose-color, 6-15" long; capsule 3" long, many-seeded; 

 cotyledons accumbent. — Plant sometimes green with white flowers, but more 

 often purplish ; very tenacious of life. Mountains, from Oregon to Northern 

 California and Utah ; Northern Arizona, (Ives.) Frequent through Nevada, 

 and also found on Pilot Rock Point at the south end of Salt Lake ; 5-6,000 

 feet altitude ; May, June. (187.) 



Lewisia brachycalyx, Eng. Proc. Amer. Acad. 7. 400. Leaves spat- 

 ulate or nearly linear ; scape not jointed, 2-bracteate at the very base ; calyx 

 herbaceous, decussately 4-sepaled, 2-3 times longer than the (7-9) cuneate- 

 obovate petals ; stamens 10-15 ; stigmas 6-7, exceeding the style ; cotyle- 

 dons incumbent. — Reported from Utah, (Dr. J. W. Brewer,) Western New 

 Mexico and Arizona. 



ELATINE^. 



Elatine Americana, Arn. Throughout the Northern States ; Missouri, 

 Nebraska, and New Mexico. Collected by Dr. Torrey near Washoe Lake, 

 Nevada. 



Bergia^ Americana, Seubert. {Elatine^ T. & G.) Difiiasely branched 

 from the base ; stems ascending, puberulent ; leaves oblong-spatulate, rather 

 acute, serrate, tapering into a short petiole ; flowers on short pedicels, mostly 

 solitary in the axils. — Stems 6-10' high, glandular or hispid-pubescent ; sepals 

 denticulate, exceeding the narrowly oblong obtuse petals ; stamens 5 or 10 ; 

 dehiscence septifragal, as in Elatine, the entire septum remaining attached to 

 the axis. Southern Texas. Found in Carson River Bottom, near Reed's 

 Station; August. (188.) 



hypericace^. 



Hypericum Scouleri, Hook. Perennial, herbaceous; stems terete; 

 leaves oblong-ovate, closely sessile or clasping; cyme compound; sepals 

 broadly ovate, rather obtuse, one-third as long as the petals ; stamens numer- 



1 BERGIA, L. Flowers pentamerous. Sepals acute, herbaceous, or usually costate with the margin 

 membranous-hyaline. Capsule subcrustaceous ; dehiscence septicidal, with a greater or less width of the 

 septa adherent to the axis. — Prostrate or much-branched herbs or shrubs, (the single North American spe. 

 cies an erect annual,) often pubescent, with axillary solitary or cymosely fascicled flowers, larger than 

 in ElaUne. Benth. & Hook. 



