Hall. Compositae of Southern California. 99 



In damp soil along streams or in thickets of the Upper Sono- 

 ran Zone from San Diego Co. to middle California; only occa- 

 sional with us. 



8. B. glutinosa Pers., Syn. ii. 425 (1807). 



Shrubby, at least below, 1 to 3 m. high, the slender leafy stems 

 usually simple above and flowering only at the summit : herbage 

 glutinous: leaves lanceolate, acute at each end, remotely but 

 saliently denticulate (or rarely entire), 5 to 10 cm. long, 3-nerved 

 from the base: heads in terminal cymes or panicles: involucre 

 and receptacle as in B. viminea: pappus of fertile flowers more 

 or less scabrous. 



On moist ground in the Upper and Lower Sonoran zones 

 from Butte Co. to San Diego, east and south to Colorado and 

 Mexico ; also in Chile : Ballona marshes, Los Angeles Co., Chand- 

 ler, no. 2030; Santa Ana River, near Riverside, Koethen: Im- 

 perial, Colorado Desert, Wales, no. 18 ; Banning, Parish, no. 726 ; 

 Owens Valley, Inyo Co., Austin. 



9. B. viminea DC., Prodr. v. 400 (1836). B. caerulescens 

 DC., 1. c. 402. MULE FAT. GUATEMOTE, 



Distinctly shrubby and willow-like, 2 to 4 m. high, the very 

 leafy stems producing usually numerous short lateral flowering 

 branches, these striate-angled : herbage scarcely glutinous : leaves 

 narrowly lanceolate, acute at each end, entire or sparingly den- 

 ticulate, 3 to 10 cm. long, inconspicuously or not at all 3-nerved : 

 heads rather numerous in terminal and lateral cymes : involucre 

 5 mm. high; bracts chartaceous, oblong or the outer ones ovate, 

 destitute of greenish center, with scarious margins, erose and 

 mostly villous-ciliate : receptacle flat: pappus of fertile flowers 

 apparently smooth but minutely scabrous as seen under the mi- 

 croscope. 



Lower and Upper Sonoran zones ; common along ditches and 

 in waste places, especially on low damp ground, often forming 

 dense thickets; Riverside and San Bernardino to the Sacra- 

 mento Valley and from the desert to the coast. 



