SUNFLOWER FAMILY 259 
to ep she lower oblanceolate, up to 15 cm. long and 3 cm. ide. fapering to slender petioles, abe 
upper smaller and clasping ; heads 2-3 cm. across; involucr: aes vesy resinous, the gre 
tips of gr phyllaries strongly rolled back; rays — 12-25, 15 m 
Open ground, dry hillsides, roadsides, and subalkaline flats, U Sonoran oF Ax ging roast Zones; 
wit "Caliseraia, eastern Oregon and Washington lochaais phat gf mse to _T petbiety Type locality: pr rob- 
ably northeastern Or Beit . June—Oct 
Grindelia nan sales colu a Piper, Contr. U.S. Nat. Herb. 11: 556. 1906. (Grindelia discoidea 
Nutt. Trans. mare Phil, ges ate, 5. 1840, not Hoo k. & Arn. 1836; G. nana var. discoidea A. Gray, 
Syn. Fl. N. Amer, 17: 119. 1884.) Heads discoid. Common in dry or moist pi in central Washington, where 
it viens roe the typical subspecies, west to Portland; northern Idaho. Type locality: “‘on the banks of the Oregon.” 
ug 
June- 
12. epee robista Nutt. Big Grindelia. Fig. 5428. 
Grindelia robusta Nutt. ans. ~— Phil. Soc. IT. 7: 314. 1840. 
Grindelia cuneifolia yi op. cit. 315. 
dasa pea fe = ctits che var. ive is rmark, igew Mo. Bot. Gard. 21: 227. 1934. 
usta Steyermark, loc. cit. 
isp siekchom ¥ var. ss stale! Steyerm ae op. cit. 228, 
a. 
Stems few, erect from a subligneous crown, stout, usually corymbosely branching above 
glabro i ‘5 12 dm. high. aves sharply toothed to fin ely and remotely serrate or often entire, the 
basal abinteolais up to 18 cm. long (including the maiteised petiole) and 3 cm. wide, the cauline 
4) NVE 
ta, 
Sa SS 
TAINS 
5424, Grindelia squarrosa 5426. Grindeli porum 
5425. Grindelia hallii 5427. Grindelia nana 
