1 140 ADDITIONS AND CORRECTIONS 



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1. C. parviflorus H. B. K. Annual; stem slender, 3-10 dm. high, 

 ulabroiis; leaves bi-tripinnatifid into filiform divisions; involucres 1-1.5 

 cm. bn>a<l; liiiules 7-12 mm. long, rose-colored or white; achenes about 

 1 cm. lonii, the beak scabrous, half as long as the body; pappus-awns 

 L> or ;;. Tine-plains and hillsides: Tex. Colo. Ariz. Au-O. 



940 After .17. Stansburii insert: 



2. Monothrix Palmeri (A. Gray) Rydb. Stem about 2 dm. high 

 scabrous-puberulent; leaves short-petioled; blades membranous, deltoid, 

 or subeonlate, 1-1.5 cm. long, sinuate-dentate, 3-ribbed, hispidulous;, 

 involucre t urbinate, 4-5 mm. high and 6-7 mm. broad; bracts oblanceolate, 

 acute, puberulent; ray-flowers wanting; disk -corollas cream-colored; 

 pappus a single scabrous awn, as long as the achenes. Among rocks: 

 n Ariz. sw Utah. 



'.117 After C. Evermannii insert: 



16. Chaenactis Mainsiana Nels. & Macbr. Scape 8-12 cm. long, 

 floccose-pubescent; leaves 3-5 cm. long, obovate, once or twice flabellate- 

 piunatifid, greenish gray, minutely lepidate and resinous-granuliferous; 

 bracts oblong, obtuse, sometimes with one or two outer bracts shorter 

 and spreading; squamellae oblong, obtuse, more than half as long as the 

 flowers. Mountain tops: Ida. 



950 Under T. lanigera, 4th line, for " 10-15 cm." read "10-15 mm." 

 960 Before Leucanthemum insert: 



2. Chamomilla inodora (L.) Gilib. Annual; stem 2-4 dm. high, 

 glabrous; leaves pinnatifid, 3-6 cm. long, with linear-filiform divisions, 

 glabrous or nearly so; involucre saucer-shaped, 10-15 mm. broad; bracts 

 in 2-3 subequal series, linear-oblong, with white or light-brown scarious 

 margins; ligules present, white, 7-10 mm. long; achenes dark-brown, with 

 3 strong ribs on the inner side, rugose on the back. Matricaria inodora~L. 

 Waste places: Newf. Pa. Ont.; Ore. Ida.; Colo.; adv. or nat. from 

 Eu. 



973 Under A. cana add: A. cana viscidula Osterhout is a more or less viscid 

 variety with the leaves becoming glabrate in age. 



'.M Under A. rubricaulis next to the last line omit the word "plumose." 

 '.'^1 For S. accidens read S. accedens. 



987 For S. accidens read S. accedeus and for the synonym S. sccpulinum 

 read S. scopulinus. 



995 Under 4. G. gracilis add as synonym : GaillardiacrassifoliaNels. & Macbr. 



995 After 66. S. pseudoaureus insert: 



66a. Senecio pauperculus Michx. Stem 1.5-4 dm. high, slightly 

 floecose at the base, glabrous above; lower leaves oblong-oblanceolate, 

 1-5 cm. long, gradually narrowed below, crenate-dentate to serrate, the 

 petioles often longer than the blades; upper stem-leaves pinnatifid, re- 

 duced; achenes hispidulous. S. Balsamitae Muhl. Wet places: Me. Alta 

 -Tex. N. C. My-Au. 



1001 After Tetradymia DC, insert: "SALTBUSH." 



1001 In the description of T. inermis, 3d line, for " 1-4 mm. " read " 1-4 cm." 

 1006 & 



1011. Mr. Osterhout thinks that C. araneans, C. spathulifolius and C. mod- 

 estus should be transferred to the section CARLINOIDIA. 



Mr. Osterhout regards Cirsium Osterhoutii as a good species, and not 

 a hybrid between C. griseus and C. scopulorum. 

 1012 The authority of Cirsium Nelsoni should be (Pammel) Petrak. 



