EUPHORBIACEJ-:. Anjythamnia. 



2. A. sericophylla, Clray in herb. Perennial, shrubby at base, with slender 

 virgate branches, appressud silky-vilious : leaves narrowly lanceolate, acuminate, 

 about 9 lines long : racemes axillary, very short and fcw-Howered : sepals 1 to 1 \ 

 lines long, linear, acuminate, equalling the narrow acuminate hairy petals : glands 

 short, broad at base, narrowly acuminate above: stamens G to 10 : capsule hairy: 

 seeds a line in diameter, reticulate, the broad ridges rugose. 



On tlie Verde lUver, Arizona {Dr. Smart) ; IMg Canon of the Tantillas Mountains, Lower Cali- 

 fornia, Palmer. 



4. BERNARDIA, P. Browne. 

 Flowers dia'cious or mona'cious, in small spicate or racemose clusters, mostly 

 axillary, apetalous and without involucre. Staminate calyx valvate, 3-5-parted. 

 Stamens 3 to 20, distinct, on a central sometimes glanduliferous rece^jtacle ; anthers 

 erect in the bml. Pistillate calyx usually G- (sometimes 3- or 9-) parted, imbricate. 

 Ovary 3-celled, 3-ovuled : stigmas nearly sessile, stout, 2-lobed or -parted, the lobes 

 lacerate or papillo.se. Seeds not earunculate. — Mostly shrubs or undershrubs, pultes- 

 cent with stellate or simple liairs ; leaves alternate, 2-stipulate, mostly serrate. 



A tropical American genus of 20 species or more ; only tlie following found witliin the United 

 States. 



1. B. mjrricaefolia, AVatson. An irregularly branched shrub, 3 to 10 feet 

 high, grayish green throughout with a dense line stellate i)ubescence ; leaves thick 

 and reticulate-veined, oblong to ovate-oblong, usually obtuse, cuneate to cordate at 

 base, from 3 to 6 lines to 2 inches long, often small, repandly dentate, on very 

 short petioles : flowers dioecious ; the staminate very small, in axillary racemose 

 clusters ; jiistillato terminal, sessile : calyx 3- (rarely 4-) parted : stamens 3 to 20, 

 alternate with minute glands: ovary tomentose : .stigmas very short, ])apill(ise : 

 seed 3 lines long, nearly snu)oth, dull, slightly earinate. — Ti/ria myriaiful'm, 

 Scheele in Liniuea, xxv. 581 ; Torrey, IJot. iMex. Hound. 201. liicinella viyriav- 

 folia, Miill. Arg. in DC. Prodr. xv^. 729. 



On the headwaters of tlie Moliave {Parry k Lemmon) ; San Felipe {Parry) ; frequent in^New 

 Mexico and W. Texas, and in Northern Mexico. In luihit resemliling closely the otlicr .sficcies 

 referred by Muller to Bcrnardia § Tyria, from whicli there seems to be no good leason for sepa- 

 rating it. 



5. ACALYPHA, Linn. 

 Flowers mono'cious, in the axils of whiilly glandlcss bracts, spicate; the staminate 

 very .small, in ament-like spikes, with the few or .solitary pistillate ones at the base 

 or sometimes separate : invohicre, jietals and disk none. Staminate calyx 4-parted, 

 valvate; the pistillate 3 - 5-partod and slightly imbricate. Stamens usually 8, dis- 

 tinct, on a central raised rece|)ta(le ; lilaments short ; anthers long, erect in the bud, 

 versatile, the cells separate and somewhat vermicular. Ovary 3-celled, 3-ovuled : 

 styles 3, usually finely dissected or fringed, and red. Capsule often surroimded by 

 the enlarged bract. Seed smooth or roughened or pitted. Padide about erpialling 

 the ovate cotyledons. — Shrubs or undershrid)3, or often perennial or annual herbs; 

 leaves alternate, tooth(;d, 2-stipulate. 



A genus of all trojiical regions, of over 200 species, very largely American but sjjaringly repre- 

 sented in tlie United States ; half a dozen or more si)ecies, annual or iierennial herbs, are found 

 in the Atlantic and Southern States and near the Mexican border. 



1. A. Californica, P>enth. A shrub, with spreading rigid branches and brown- 

 ish bark, puberuleiit on the young twigs: leaves ovate, somewhat cordate, acute, 

 finely toothed, 3 - o-nerved at base, finely and densely pubescent wh«>n young, at 



