COMPOSITE. 453 



C. Parishii, GRAY. Minutely canescent : stems branching from a suffrutescent base and 

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

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

 299. On the southern borders of California, south of the San Jacinto Mountains, Parish, 

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



167. HYMENATHERUM, Cass. Add on p. 357 : - 



2 ! . HETEROCIIROMEA. Palere 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- 

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

 pointless divisions : heads sessile and clustered at 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, 

 Princjle. A handsome species, anomalous for its heterochromous flowers ; and hi other re- 

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



178. ARTEMISIA, Tourn. 



A. SCOpulorum, GRAY, p. 369. Strike out var. monocephala, and add : 



A. Patterson!. More dwarf and white-tomento'se, 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. scopulorum, var. 

 monoce/ihala, Gray. Lower alpine region of the Kocky Mountains in Colorado, first coll. by 

 Parry in 18G2, and noted as distinct, and now well distinguished by Patterson. 



189. TETRAD YMI A, DC. EUTETRADTMIA, p. 379, add : - 



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

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

 heads full)- half-inch long, 5-flowered, 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 1 . BEBBIA, Greene. (Michael S. Bebb, of Illinois, specially notable for 

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

 maphrodite and fertile. Involucre campannlate, 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-nerved and many striate. Pap- 

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

 Calif. Acad. i. 179. Carphephorus, Kuknioides, 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 mainly so, mostly leafless and alternate, bearing 

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



