ADDITIONS AND CORRECTIONS. 0X7 



oblong-lanceolate, shorter than the djsk, rather ohtiise, extremely glandular : rays 

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

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

 only between the ray and disk flowers, of linear and neai'ly distinct scales : pappus 

 of the disk-akenes of 5 to 8 ovate or roundish l)luut and entire scales, wliich are 

 hairy on the back and margin. — Proc. Am. Acad. xi. 79. 



On the Fort Yuma road, at Larkens, 80 miles unsi, of San Diego, Palmer. A striking species 

 of the Hartmannia section, in some respects reseniMiii^ //. I'nitrscenn, to be inserted in the subdi- 

 vision (with some emendation) which iuchides H. aiujuslijolin nud //. corymbosa. 



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

 foot high, somewliat 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, Roihrock in Wheeler's Expedition, 1875. 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 Ea- 

 hemizonia section. 



Page 391. 11\ HYMENOPAPPUS, L'Her. 



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

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

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

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

 throat, and with 5 revolute lobes. Style-branches ratlier 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^ i^utt. A span to a foot higli : leaves mainly in a tuft at tlie 

 root, twice pinnately divided ; the lobes narrowly linear with revolute 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, near the State line, in Lower California, Dr. Palmer. Extends eastward 

 to the Rocky Mountains. 



Page 499. 88. PECTIS. 



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

 collected by Dr. 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 disk-flowers, the others with a mere vestige or none. 



Page 402. 93. TANACETUM. 



-* =k ^H Pappus none : leaves onli/ 'i-cleft or entire. {Sphceromeria, Xutt.) 



3. T. canum, D. C. Eaton, A span high or more, in tufts from a woody base, 

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

 bose-crowded heads : leaves half an inch or more long, sessile, some cuneate and 



