ADDITIONS AND CORRECTIONS. (517 



oblong-lanceolate, shorter than the disk, rather obtuse, extremely glandular : rays 

 20 or more, forming two series, with cuneate 3-lobed deep orange-yellow ligules : 

 disk-flowers about as many, most of them fertile: chaff of the flattish receptacle 

 only 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 C J. 



On the Fort Yuma road, at Larkens, SO miles east of San Diego, Palmer. A striking species 

 of the Hartmannia section, in some respects resembling //. fruUscens, to tie inserted in the subdi- 

 vision (with some emendation) which includes //. anguslifolia and //. corymbusa. 



11". H. Wbeeleri, Gray. Loosely branched from the base, slender, a span to a 

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

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

 of the involucre lanceolate, herbaceous, rather short : rays only 5 or 6, bright yel- 

 low : disk-flowers numerous (yellow), with abortive ovary and no pappus : outer 

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

 triangular. 



Tulare Co., Monachay Meadows, &c, upper part of South Fork of Kern River, at 8,200 to 

 10,000 feet altitude, Rothrock in Wheeler's Expedition, 1S75. Head barely 3 lines high : rays 2 

 lines long and wide. Smooth akenes a line and a quarter long. A well-marked species of the.£u- 

 liemizoiiia section. 



Page 391. 77". HYMENOPAPPUS, L'Her. 



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

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

 often partly scarious or colored (whitish, rarely purplish). Receptacle small, naked. 

 Corolla with a narrow and glandular tube, abruptly dilated into a campanulate 

 throat, and with 5 revolute 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 silverv-scarious scales, nearly or quite nerveless. — Biennial or 

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

 the stem-, with a solitary or corymbose head of whitish or yellow flowers. 



1. H. luteus, Nutt. A span to a foot high : leaves mainly in a tuft at the 

 root, twice pinnately divided ; the lobes narrowly linear with revolute margins or 

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

 of light yellow flowers ; akenes very villous, at least on the angles: pappus ne.n-K 

 as long as the tube of the corolla. — Torr. & Gray, Fl. ii. .'IT.'i. 



Tantillas Mountains, tear the State line, in Lower California, Dr. Palmer. Extends eastward 

 to the Rocky Mountains. 



Page 409. 88. PECTIS. 



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



collected li\ Or. Palmer, about half-way between San Diego and For) Yuma (also 



in s. I till and Arizona) : soi E tic specimens with the normal barbellate bristly 



pappus to the disk flowers, the others with a mere vestige or none. 



Pago 102. 93. TANACETUM. 



* * * Pappus none : leaves only 3-cleft or entire. {Spkoeromeria, Nutt.) 



3. T. canum, I'. C. Eaton. A span high or more, in tufts from a w ly base, 



silvery-canescenl : flowering stems simple, terminated by one or I wo or several corym- 

 i crowded beads: leaves half an inch or more long, sessile, some cm 



