154 University of California Publications in Botany. [VOL. 3 



crowded with linear leaves only about 2 mm. long, those of the 

 flowering branchlets ending in a truncate or somewhat saucer- 

 shaped gland: involucral bracts stipitate-glandular on the back, 

 the involute tip ending in a truncate gland : ray-flowers 4 or 5 ; 

 disk-flowers 7 to 10 : pappus none. 



Abundant in places on dry hills near the coast of San Diego 

 Co., ace. to Parish ; vicinity of San Diego, Brandegee, also W. 8. 

 Wright, no. 77 ; Poway, San Diego Co., Cleveland : middle Cali- 

 fornia. Often very glandular and strongly scented. 



10. H. Heermanni Greene, Bull. Torr. Club ix. 15 (1882). 

 Deinandra Heermanni Greene, Fl. Fr. 425 (1897). 



Paniculately branched above, 3 to 10 dm. high: herbage pu- 

 bescent and viscid, heavy-scented : leaves of the flowering branch- 

 lets small, scattered, each tipped with a minute truncate gland : 

 involucral bracts beset with stalked glands and the apex truncate- 

 glandular : ray-flowers 5 to 8 ; disk-flowers 10 to 15 : ray-achenes 

 with a somewhat conspicuous beak and stipe : pappus none. 



Ojai, Ventura Co., Hubby; Santa Barbara, ace. to Gray; Te- 

 hachapi Pass, Parry; not rare in Kern Co. 



11. H. pungens (H. & A.) T. & G., Fl. ii. 399 (1843). Hart- 

 mannia pungens H. & A., Bot. Beech. 357 (1840). Centromadia 

 pungens Greene, Man. Bot. Reg. S. F. Bay 196 (1894). COMMON 

 SPIKEWEED. 



Freely branching, 3 to 10 dm. high : herbage yellowish-green, 

 sparsely hirsute or hispid with spreading hairs, hardly viscid or 

 glandular, sweet-scented: leaves (especially of the flowering 

 branches) linear-subulate, spinose, entire; the lower and lowest 

 pinnately parted into oblong lobes, or pinnatifid, the lobes or 

 teeth spinosely or pungently tipped: heads commonly equalled 

 or somewhat surpassed by the uppermost leaves: bracts of the 

 receptacle cuspidate: ray-flowers 25 to 40, their small ligules 

 bifid : ray-achenes roughish, somewhat laterally 2-nerved on back : 

 disk-achenes without pappus. 



Abundant on low or alkaline ground throughout our district 

 and northward through the San Joaquin Valley, often forming 

 dense patches. 



