ADDITIONS AND CORRECTIONS TO VOL. I. 459 



rage 420. 104. CNICUS. 



12. C. carlinoides, Sclirank. At end road — Cirsinm scariosiim, Nutt. 

 Rage 421. 106». CARBENIA, Atkiis. Ble.ssed Tiiistlk. 



Head niany-floweied ; outer row of flowers sterile, tlie disk i)erfect. Involucre 



ovoid-globoso, the outer scales l)road and foliaceous, spinose-dentato, the inner (2 or 3 



rows) subcoriaccous, appressed, with a spreading spiny and spinose-dentate ape.x. 



]ieceptacle Hat, very bristly. Akencs subtenjte-oblong, about 20-striate, with a cre- 



nate-dentate crown and large lateral scar. Pappus of about 20 bristles in 2 series, 



united in a deciduous ring, the outer rigid and awn-like, the inner small, slender 



and firabriolate. — A low branching pilose annual, with alternate sinuate-pinnatifid 



leaves, the lobes and teeth spinose. Heads large, terminal, with yellow flowers. 



A single species, of sontliein Eui()|)e and adjacent Africa, natunilized in western South America 

 and Jlexico, and sparingly in the United States. 



1. C. benedicta, Adans. A foot high or more, leafy, somewhat viscid : akenes 

 very thick, 4 lines long, with conspicuous crown ; bristles of outer pappus alternate 

 with its teeth, terete, flattened and flexible at base. — Cnirus benedictus, Linn.; 

 Tveichenb. Icon. Fl. Germ, xv, t. 748. 

 Near Healdsburg, common, V. Uatlan. 



Page 422. 107". TRIXIS, P. Hrowne. 



Heads several - many-flowered ; flowers all perfect. Involucre cylindrical, of an 

 inner .series of 5 to 10 erect e<iual scales and an outer more or less irregular series of 

 foliaceous bracts. Iieceptuclo small, naked or piht.se. (Corolla bilal»ial(>, outer lip 

 .'5 toothed, often longer in the outer flowers, the inner narrow and 2-purted or 2-cleft. 

 Anthers sagittate and caudate at ba.se. Achenia oblong or linear, suliteretc, O-costate, 

 iisually papillose-scabrous. Pappus of numerous slender roughish bristles in 2 or 3 

 rows. — Herbs or shrubs, more or less pubescent or viscid, with alternate leaves, 

 usually corymbosely paniculate inflorescence, and yellow or whitish flowers. 



Ahont 30 species are known, of tropical and snhtropical America, from the southern border of 

 the United States and the West Indies tc Buenos Ayres and Chili. Two Mexican species are 

 found in the Rio Grande region. 



1. T. sufTruticosa. A low much-branched shrub, minutely glandular puberu- 

 lent : leaves lanceolate, attenuate at base, acute or acuminate, entire or rarely sparingly 

 denticulate, | to 2^ inches long : heads corymbose or solitary at the ends of the 

 branches, on stout peduncles : bracts (about 5) variable, narrowly lanceolate to ovate, 

 3 to 5 lines long ; scales 10, subherbaceous, linear, acute or acutish, G lines long, 

 strongly gibbous-tliickened at base, .shorter than the bright yellow flowers. 



On the White Water Piver, eastern side of the San Bernardino Mountains (Pamj k Lemmon) ; 

 Tantillas Mountains (Palmer) ; Tucson, Arizona (Palmer) ; Camp Grant, Arizona, A'. L. Greene. 

 Described by Dr. Pahner as "a showy bushy plant with a strong scent of woimwooil." 



Page 423. 108». CICHORIUM, Tourn. Ciiicnnv. 



Heads several-flowered. Involucre of 8 to 10 equal erect inner scales in one row, 

 subcoriaceous, at length concave at base and receiving the outer akenes, and sur- 

 rounded at base by a few shorter unequal scales. Receptacle flattish, naked or 

 nearly so. Akenes oblong, turgid, obscurely striate. Pappus of numerous short 

 (^hafly scales in 2 or 3 row.s. — Erect branf-hii\g biennial or perennial herbs, with 



