Boerhaaviu. NYCTAUINACE.E. c 



9 



f' ^' f"^^"^^*^' 'J''"'''«y- Anmml and slondor, visci.lly pul.csccMit or onlv 

 IH-bemcmt, the sLo.us ascending or procu.nbnut, i to ^ f.et on'^ • leave ovate o 

 Ob ong-anceola e, ^o U inches long, usually truncate^cordate or"ro n 1. I .'t b^e 



eduncles slender, exceeding tbe leaves: involucral bracts usually 5, linear or kn-' 

 coolate, acuminate, somewhat scarious : perianth rose-colored, 6 to 8 1 nes lorn, the 

 tube very narrow and lobes deeply cleft: fruit thincoriaceous, 3 or 4 line bn^ 

 either regularly 5-winged and the wings terminating above in transverse circuit; 

 K?ng Exp"2'8M Sl"^^^^ "''^'""' ^'"^"'- ^'^'^"^ '^ ^"^« long. - Watson, Lot' 



From tlu' ea.sten, bonier of the State and Northern Nevada to Arizona and Western Texa.H ■ 

 near the Mohave Kiver, Cooper. In dry valleys ; May to August. ' 



TTf^i' '''•"\«'''^^«' Nutt., is a very similar sj.eeies ranging from the Columbia Kiver (NiUtall) to 

 Utah and New Mexico, and eastward, not found in California. It is perennial dis^i pushed 

 cluefly by Its more erect and stouter habit, rather larger whitish (lowers, and esU^aKv he 

 broa^l^^seanous acute or acutish involucral lobes : the fruit is usually larger. S?S^s never 



§ 2. Wimjs (mna/h/ 2 or 3) orfncular, wholbj encircling the fruit, menibranoius, 

 stronglij net-veined. Annuals. — Triptkuucalyx, Gray. 



G. A. Crux-Maltae, Kellogg. A low spring annual, with procumbent stems 

 viscid-pubescent or nearly glabrous : leaves ovate-oblong, an inch Ion- or more' 

 usually cuneate at base, on slender petioles : peduncles shorter than the leaves' 

 niauy-llowered : involucre of 5 or more lanceolate acuminate lobes 3 or 4 lines Ion- '• 

 flowers rose-colored, 7 to 9 lines long, with very slender greenish tube and 4 larje 

 deeply cleft lobes: stamens 3 or 4 : fruit pubescent, 5 or G lines long, coarsely 

 reticulate-pitte<l, the ovate body long-stipitate ; akene 2A lines long. — Proc Calif 

 Acad. 11. 71 flg.lG; Watson, Proc. Am. Aca.l. xii. 253. A. cydoptera, Watson; 

 Dot. King Lxp. 285, in part. 



A very showy and nretty spring flower of the valleys of Northwestern Nevada. Two other 

 species belonging to tfus section are found on tl.e eaj^tern plains from the Saskatchewan to New 

 Me.xico, but do not occur west of the Kocky Mountains. "iouL«aa lo new 



4. BOERHAAVIA, Linn. 

 Involucre of 1 to 3 very small bractlets to each flower, often caducous. Pcriantli 

 funnelforni or campanulate, 5-lobed. Stamens 1 to 3. Stigma peltate. Fruit 

 clavate or obovate, jointed upon the pedicel, 5-costate, truncate at the apex or 

 rounded or acute. — Slender annual or perennial herbs, diifuse or procumbent, with 

 opposite more or less unequal leaves, and usually very small flowers in loose pan- 

 icles, verticels or spikes. 



vp.t fn V 't ?LT^ "'■ f T'''\ ^.'^*7^ted through the warmer regions of the globe, manv of them 



veiy illy dehned and of uncertain determination. Several species occur in Arizona and Im-stward 



bord^rs'of the St'aJe.' '" California. The following are given as approaching the southen. 



* Flowers fascicled. 



B HiRsuiA, Willd. Perennial, hirsute and glandular-pubescent, the branching stems 2 or 3 

 leot long or inoie : loaves ovate, an inch or two long, acutish, rounded at base, with an undulate 

 sinuate margin, on short petioles : panicle looso and divaricate ; llowci-s nrarly sessile in smal 

 clusters tennmating slender peduncles : bractlets minute : perianth (red) and ovary a line long 

 Iruit 1 or 2 hues long, davate. obtuse, 5-costate. glandular- visci.l. — Choisv, DC Prodr xii^^^ 

 451. — Specimens from the Biff Canon of the Tantillas Mountains, Lower California (PMvier) 

 are probably to be referred to this species, which is credited to the western coast of Mexico and 

 to South America The leaves, however, are small and rounded or reniform, mucronately anicu- 

 late, the petioles but a line or two long, and the fruit acute at each end. 



B. ERECTA, Linn. Annual, often rather stout, scabrous-puberulent or ncarlv glabrous- leaves 

 hro.idly ovate to oblong, usually acute, an inch or two long, more or less exceeding the slender 



late 

 11 



