SUNFLOWER FAMILY 171 
pit cf in dense terminal glomerules of 5-30, or in more open cymes and panicles ; Neal narrowly 
void, 5.5-9 m pete ie ligules inconspicuous, eohanar yellow to purplish, 1.5-2.5 mm. long ; disk- 
Hower 1 10; aphed s 4-6 mm. long, 5-ner ved. 
Grassy letest: -openings, vise any aoe age Zones; southern Alaska south to the Sierra Nevada ard San 
Berna a o Mountains, California , and sar igh the Rocky ‘Mountains to South Dakota and New Mexico. Ty ype 
locality : sislan of the Saskatchewan. July 
17. Madia exigua orni A. Gray. Small Tarweed. Fig. 5268. 
Sclerocarpus exigua Smith in Rees, Cycl. 3 
Harpaecarpus madarioides Nutt. Trans. pa Phil, Soc. J1.. 7 pra 1841. 
Harpaecarpus exiguus A, Gray in Torr. Bot eg Bound. 101. 
L A 
Madia filipes var. pnbines os Suksd. Deuts. Bot. Monatss. 18: 97, 1900. 
Harpaecarpus exiguus var crocephalus Suksd. loc, cit 
adia exigua subsp. macrocephala Piper cae U.S. Nat. Herb. 11: 576. 1906 
Harpaecarpus th ane ane Bull. . Bot. Fr. 65: 43. 
Harpaecarpus longipes Gandoger, loc. cit. 
Harpaecarpus gett» At loc. cit. 
Stem simple, corymbosely branched above or paniculately branched throughout, very slender, 
0.5-3(-4) dm. high, en necuaiaete stipitate-glandular above; herbage aromatic. Leaves 
. Madia — 5266. capitata 
65. Madia 5267. a glomerata 
