SUNFLOWER FAMILY 169 
what glandular, psa up to 7 cm. long and 7 mm. wide; heads paniculate to at te not 
con ven involuc e globose, wipers 6-7 mm. high, the phyllaries dilated but usually entirely en- 
closing the ro san ‘thickly beset with stout, gland-tipped hairs and viscid-puberulent ; bracts of the 
receptacle united only toward re ciliate ; ray-flowers 3-7 ; disk-flowers 3-6; ray- and disk-achenes 
Grassy slopes at low elevations, Upper Sonoran and Transition Zones; North Coast Ranges from Humboldt 
County to Mount Diablo, Joma Costa County, California; also Sacramento County. Type locality: probably 
Sapeainéate County. May. Jun 
11. Madia subspicata Keck. Slender Tarweed. Fig. 5262. 
Madia saben Keck, Carnegie Inst. Wash. Pub. No. 564: 45. 1945. 
trict, slender, usually simple, or sparingly short-branching above, 1-1.5 dm. high, t 
herbage yelow -green , pilos e and viscid-puberulent with pices mae! stipitate glands. Leaves dihear; 
. long, to 3 mm. wide; heads ‘subspicat on very short ped pete overtopped by the sub- 
‘esses feaven arheicte ovate, 6-7 mm. high; disk-flowers 5-15, the anthers black; ray- pret el 
about 3 mm. long, ane ee purple spotted, the disk-achenes similar. 
Gra slopes, Upper Son Sierra foothills from Butte County to Mariposa County, California. 
Type entity near Knights Perry. Me saa Couity. May-Jun 
12. Madia gracilis (Smith) Keck. Gum-weed or Slender Tarweed. Fig. 5263. 
Sclerocarpus gracilis Smith in Rees, Cycl. 31 
Madorella dissitifiora Nutt. bce ans. Amer, ay — Il. 7: 387. 1841. 
Madorell Nutt. loc. c Rs 
Wy 
5262. Madia subspicata 
5263. Madia gracilis 
5260. Madia citriodora 
5261. Madia anomala 
