COMPOSITiE. 453 



C. Parishii, Gray. Minutely canescent : steins branching from a suffrutescent base and 

 bearing few heads: leaves pinnately parted iuto short and partly entire linear lobes : heads 

 hardly over half an inch high : palca; of the pappus 13 to 15, linear. — Proc. Am. Acad. xx. 

 299. -1 On the southern borders of California, south of the ISan Jacinto Mountains, Parish, 

 1882, and near Hanson's Ranch below the boundary, Orcutt, 1884. 



1 67. H YMENATHERUM, Cass. Add on p. 357 : — 



§ 2^ Heterociiromea. Palece of the simple pappus 10, little shorter than 

 the slender akene and the disk-corolla, lanceolate, resolved above into 5 or 7 awns, 

 the central one longer, and the lateral successively shorter : rays white ! 

 H. COncinnum. Depressed and spreading from the annual root, mostly glabrous, glau- 

 cescent : leaves chiefly alternate, thickish, pinnately parted into narrowly linear obtuse and 

 pointless divisions : heads sessile and clustered ac summit of the short leafy branchlets : in- 

 volucre 12-14-toothed, nearly naked at base : rays 10 or 12, the showy oblong ligules (2 lines 

 long) bright white; the disk-flowers yellow. — Arizona, on the mesas near Tucson, 1884, 

 Pringle. — A handsome species, anomalous for its heterochromous flowers ; and in other re- 

 spects serving to connect the first two sections with true Ilijmenatherum. 



178. ARTEMISIA, Tourn. 



A. SCOpulorum, Gray, p. ."569. Strike out var. monocephala, and add : — 



A. Pattersoni. More dwarf and white-tomentose, but sometimes glabrate in age: leaves 

 3-5-parted or cleft, or uppermost entire : heads much larger and broader, solitary or 2 to .5, 

 40-50-flowered : corollas glabrous : receptacle extremely long-woolly. — A. scopuhrum, var. 

 monocephala, Gray. — Lower alpine re.i,non of the Kocky Mountains in Colorado, first coll. by 

 Parr J in 1862, and noted as distinct, and now well distinguished by Patterson. 



189. TETRAD^MIA, DC. § Eutetradymia, p. 379, add: — 



T. stenolepis, Greexe. Very white-tomentose with appressed wool, armed with long and 

 slender leaf-spines ; also bearing from narrowly spatulate to linear-subulate primary leaves: 

 heads iwWy half-inch long, 5-flowcrcd, bracteate with one or two small narrow leaves: bracts 

 of the involucre linear or broader, rigid and thick : akenes pubescent when young ; pappus 

 copious, rather rigid. — Bull. Calif. Acad. i. 92. — S. E. California, at Tehachapi Pass and 

 Antelope Valley, Mrs. Layne-Curran, J. C. Oliver. Habit of the second, but characters of 

 the first section of the genus. 



190\ BEBBIA, Greene. (Michael S. Behh, of Illinois, specially notable for 

 his knowledge of Willows.) — Heads homogamous, 20-30-flowered ; flowers all her- 

 maplirodite and fertile. Involucre campanulate, shorter than the disk ; its bracts 

 imbricated in two or three series, oblong or ovate, appressed ; outermost short 

 ones nearly herbaceous ; inner partly or wholly scarious and obscurely nervose 

 when dry, a few of the innermost among the outer flowers. Receptacle other- 

 wise naked, flat. Corolla with short proper tube and elongated upwardly enlar- 

 ging throat, 5-toothed ; the teeth ovate, spreading, hispidulous outside. Style- 

 branches slender and produced into indistinct subulate hispidulous appendages. 

 Akenes somewhat turbinate, hirsute, obsoletely 5-ncrved and many striate. Pap- 

 pus of 15 to 20 rigid short-plumose bristles in a single series. — Greene in Bull. 

 Calif. Acad. i. 179. Carphephoriis, § Kulinioides, Gray, p. 113. 



B. juncea, Greene, 1. c. Shrubby at base, fastigiately much branched, a yard or less high ; 

 flowering branches rush-like, herbaceous or niaiidy so, mostly leafless and alternate, hearing 

 solitary or scattered heads : leaves few or sparse ; lower opposite, oblong to linear, the lar- 



