1907] Hall. Compositae of Southern California. 151 



Santa Catalina Island, Nevin & Lyon, Brandegee, Mrs. Trask; 

 San Nicholas and Santa Barbara Islands, Mrs. Trask; San Cle- 

 mente Island, Brandegee. 



3. H. corymbosa (DC.) T. & G., Fl. ii. 398 (1843). Hart- 

 mannia corymbosa DC., Prodr. v. 694 (1836). Zonanthemis 

 corymbosa Greene, Fl. Fr. 425 (1897). 



Cymosely and widely branched, 3 to 5 dm. high: herbage 

 hirsute-pubescent and glandular: radical and lower leaves pin- 

 nately divided into linear lobes, the upper and those of the 

 flowering branches linear and entire : involucre broadly hemis- 

 pheric, 6 to 8 mm. high : rays 12 to 20, oblong-cuneate, 5 to 8 mm. 

 long, 3 or 4-toothed : pappus of the sterile disk-achenes of minute 

 fimbriate-bristly scales, or none: ray-achenes with a short up- 

 turned beak on the inner side at apex. 



Gaviota, Santa Barbara Co., Mrs. Curran, and northward 

 along the coast. Dr. Palmer's no. 237 is labeled "District of 

 Mohave R.," but this is certainly erroneous. It was probably 

 gathered near San Simeon, San Luis Obispo Co., ace. to Mrs. 

 Brandegee. 



4. H. paniculata Gray, Proc. Am. Acad. xix. 17 (1883). 

 Diffusely branched above, 3 to 10 dm. high ; the stem hirsute 



below, viscid-glandular above: cauline leaves narrowly oblong, 

 laciniate-pinnatifid ; those of the numerous short branchlets 

 crowded, erect, entire : ray-flowers usually 8 ; their achenes rugose 

 or pitted on the back, and with short upturned beak at summit 

 of inner angle: disk-achenes usually about 13 (11 to 20), pubes- 

 cent; their 8 to 10 oblong pappus-paleae equalling the proper 

 tube of the corolla and conspicuously pubescent or even erose at 

 the summit. 



On bench lands and plains of the Upper Sonoran Zone ; com- 

 mon at a few places in Southern California : Santa Barbara, Pasa- 

 dena, San Bernardino, Riverside, San Jacinto, San Diego, Santa 

 Rosa Island. 



5. H. floribunda Gray, Proc. Am. Acad. xi. 79 (1876). 



A stout erect annual, 6 dm. or more high, the very leafy stem 

 terminating in an elongated raceme or racemose panicle : herbage 

 minutely glandular but not hirsute : cauline leaves linear, 1 to 3 



