ADDITIONS AND CORRWTIONS. f,|7 



obloiig-liinceoliito, sliorter tliati the disk, ratlior ()])tnso, extremely glandular : rays 

 20 or more, forming two series, with cuncate S-lobed deep orange-yellow ligides : 

 disk-llowers about as many, most of them fertile : chalf of the llattish receptacle 

 oidy between the ray and disk flowers, of linear and nearly distinct scales : pappus 

 of the disk-akenes of 5 to 8 ovate or roundish blunt and entire scales, which are 

 hairy on the back and margin. — Proc. Am. Acad. xi. 7'J. 



On tlie Fort Yuma road, at barkens, 80 miles east of San Diego, Pnlmrr. A striking species 

 of the Harlmnnnin section, in some respects resembling //. frHftsrois, to be inserted in the subdi- 

 vision (with some emendation) which includes //. angustifolia and //. conjmbosa. 



1 1". H. Wheeleri, Gray. Loosely branched from the base, slender, a span to a 

 foot high, somewhat hirsute, liardly at all glandular : leaves all linear and entire, 

 scattered (the lower an inch or two long) : heads scattered, short-peduncled : scales 

 of i\w. involucre lanceolate, herbaceous, rather short : rays only 5 or G, bright yel- 

 low : disk-dowers numerous (yellow), with abortivfs ovary and no pappus : outer 

 chaff of the receptacle of distinct thin scales ; inner UKJstly wanting : fertile akenes 

 triangular. 



Tularo Co., Monachay Meadows, &c., upper ]»art of South Fork of Kern ]?iver, at 8,200 to 

 10,000 feet altitiidc, Unihrock in Wheeler's K.\pe<Utioii, 187:'.. Ib'ad )>:uely 'i lines higii : rays 2 

 lines long and wide. Smooth akenes a line and a ipiarter long. A well-marked species of the Eu- 

 hemhonin section. 



Page 391. TJ\ HYMENOPAPPUS, I/Her. 



Head homogamous ; the rather numerous flowers all alike, perfect and tubular. 

 Scales of the involucre 6 to 12, more or less imbricated, obovato or oval, flat, thin, 

 often partly scarions or colored (whitish, rarely purplish). Iveceptacle small, naked. 

 ( 'orolla with a narrow and glandular tube, abruptly dilated into a campanulate 

 throat, and with 5 revoluto lobes. Style-branches rather broad and obtuse. Akenes 

 turbinate or inversely pyramidal, with a short stalk like base. Pappus of 8 or 10 

 short and blunt silvery-scarious scales, nearly or quite nerveless. — Biennial or 

 rarely perennial herbs (all N. American), whitened with a rather deciduous wool ; 

 the stems with a solitary or corymbose head of whitish or yellow flowers. 



1. H. luteus, Ntitl. A span to a foot high: h-avca mainly in a tuff at the 

 root, twice pinnately divided ; the lobes narrowly lin(!ar with revolut(! margins or 

 nearly filiform : stem scape-like, bearing few or rarely solitary long-peduncled heads 

 of light yellow flowers ; akenes very villous, at least on the angles : pappus nearly 

 as long as the tube of the corolla. — Torr. & Gray, Fl. ii. 373. 



Tantillas Mountains, nrnr the State line, in Lower <'nlifornia, Jh-. Pnlmrr. E.vtends ea.stward 

 to the Rocky Mountains. 



ragfi399. 88. PECTIS. 



1. P. papposa, ( Jray, var. epapposa. A depauperate short-peduncled form, 

 collected by J)r. Palmer, about half-way between San Diego and Fort Yuma (also 

 in S. Utah and Arizona) : .some of the specimens with the normal barbellate-bristly 

 pappus to the <lisk-flowers, the others Avith a mere vestige or none. 



I'ftK'' 402. 9n. TANACETUM. 



••.V 1: * Pappnx none : Icavex nn.lif ^-r/e/l or entire. {Hpluvromeria, Nutt.) 



3. T. canum, 1^. C. Eaton. A span high or more, in tufts from a woody ba.se, 

 silvery-canescent : flowering stems simple, terminated by one or two or several corym- 

 bo.se-erowd(Kl heads : leaves half an inch or more long, sessile, some cuncate and 



