{)2 



\av. Leibergi. A taller, more slender form, a footer more 

 high, with petioles correspondingly elongated. 



Sandhills in the BiLteroot Mountains, Idaho, June, 1887 ('/. B. Leiherg)' 

 This is not only a much taller plant than the species, but it blooms 

 considerably later, and mature fruit may reveal speeifie characters. 



2(). CRANTZIA Xutt. (jjnera, i. 178.— .Small glabrous 

 perennials, creeping and rooting in the mud, with leaves reduced 

 to hollow cvlindrical or awl-shaped petioles (jointed by transverse 

 partitions), minute involucral bracts, and simple few-flowered 

 umbels of white flowers. 



1. C- lineata Nutl. 1. c. Leaves very obtuse, 1 to 3 inches 

 long (sometimes nearly a foot), 1 to 2 lines broad : fruit a line 

 long, the thick lateral wings forming a corky margin. (Fig. 99). 



In brackish marshes along the Atlantic coast from Massachusetts to 

 Mississippi; on the Pacific coast, Oregon {Hall 20.'i. Meehan), Washington 

 Territory (//p/(f^'c.so/t 40:51, Puget Sound ( inVA-e-s" £'.17)^^7. ), Vancouver Is- 

 land uVocoh/o; also from Santa, Ciuz Valley, Arizona (Pr/Hgr/e, Lemwon). 



The Arizona specimens arc somewhat peculiar, Pringle"s having un- 

 usually elongated filiform leaves, and Lemmon's having leaves of ordinary 

 width, hut in f.ome casos n inches to a foot long. 



27. CEXANTIIE Linn. Gen. n. 352. — Mostly aquatic gla- 

 brous herbs, with succulent stems, pinnate or decompound leaves, 

 and usualh' involucrate umbels of white flowers. 



L CE. sarmentosa Lresl. DC. Prodr. i\-. 188. Succulent 

 stems 2 to 5 feet high: leaves ternate and bipinnatc; leaflets ovate, 

 acuminate, toothed, often lobed at base, () to 12 lines long: umbels 

 many-rayed, with involucre of a few linear bracts or none, and in- 

 volucels of similar more numerous bractlets; rays an inch long or 

 less; pedicels numerous, short: fruit about 2 lines long, with com- 

 missural face (as well as ribs) very corky. ( Fig. 100.) 



California {Lemmon), through Oregon and Washington Territory, to 

 British Columbia {Meehan. Maco%m). Fl. June to August. 



\'ar. Californica. With usually larger more :^.pproximate 

 acute or acutlsh leaflets. - ffi". Californica Watson, Proc, Am. 

 Acad. xi. 189. 



With the last in the southern part of its range, but extending south- 

 ward in California to San Diego county. 



We can discover no good specific chaiactersin (.F4. Californica Watson. 



