''^''""'"- NYCTAGINACE^]. 



d 



§ 2. Flowers 1 to 3 /m the involucre rather small ; the perianth hroa.l funnel form 

 from a short tube. — Uxybaphoides Gray "^ 



■l..o„. l,.y, .hong,, .escHbea .s «l»l.o,r\T.r»':£:i;l':iSf.;"f ^^iP^^ 

 2. ALLIONIA, I.iiM,. 

 Involucro calyx-Iik., 3-,,arte.l, licrbaceou,,, scarcely cha„j;rf m fruit, 3-/l„wcre,l 

 I .■.■.a.ith fun.,clf„rm, witi, an obli,,„e 4 - Wobcd li.nb. Stamcs 3 to 5, included' 

 nearly distinct. Stign.a capitate. Fruit ovate, compressed, smooth and convex on 

 the inner s.de, ti.e back with a ri^id infloxed tootlied n.arsin encIo.siug a double line 

 "fstipitate tubercles. Embryo pficatc, the inner cotyle.lon shorter. - Annual or 

 l.eronu,al herbs, with opposite very uncpud leaves, and axillarv pedu,>culate 

 llowers. 



rrobably only a sin-le very variable sj-ecies. common to North and South America. 



..oron.'t'l'^n^T*^ M""- 1-^"""''' "' *'" '"^^^ sometimes biennial or perhaps 

 poonn.al, tl.e sender brancl.in^r stems prostrate, a foot or two long or mori • 

 I.ubescence v.sckI short or lloccose : leaves ovate, Uo l^ inches long, very unennal' 

 obtuse or acute, the obhque base acutish or rounded 'or cordate,°'exceodin'^ e 

 slender petiole: peduncles usually shorter than the leaves : involucres cleft Nearly 

 to he base; lobes concave, broadly oblong or rounded, U to 2.1 lines Ion. : .J. 



;'b tor°tr' r 'I '""•; 'v" * ^'T ^""- = ^^^^^ omarginate,"one of them much 

 ho ter than the rest : fru.t a hue and a half long, usually somewhat carir.ate on the 

 convex sule, the margm varying greatly in the number an.l shape of the teeth, 

 Inch are usually 5 (1 o 7) on each side, very broad or sle'nder, sometin.e 

 gland-tipped. -Choisy, DC. Prodr. xiii^. 434. A. malachroides, lienth. Bot 

 ioUlpll. 44. 



In Southern California, from Monterey {Edwnrch) to Fort Yuma (Tlmims), a„d more fre- 

 vTnezuela to Chili. '"^ ^outhwanl ; found also in Cuba, and in South America from 



3. ABRONIA, Ju,ssieu. 

 Involucro of 5 to 15 distinct somewhat scarious leaflets, enclosing numerous se.<^- 

 sile flowers. Perianth salverform, the tube elongated, and the limb of 5 (or 4) 

 obcordate or emarginato segments. Stamens usually 5, unequal, included in the 

 tube and adnate to it. Style included : stigma linear-clavate. Fruit coriaceous or 

 indurated, 3 -5-winged, mostly reticulately veined, enclosing a smooth cylindrical 

 akene. Embryo by abortion monocotyledonous. —Annual or i)ercnnial herbs, 

 often prostmte, and usually more or less viscid-pubescent, with thick opposite 

 unequal leaves, and elongated axillary and terminal peduncles : flowers usually very 

 fi-agrant and showy. 



