ADDITIONS AND CORRECTIONS. 



which are as long as the somewhat stouter beaks, 2-celled, 2-seeded. Proc. Am. 

 Acad. xi. 77. 



In the Tantillas Cafion, northern part of Lower California, Palmer. A remarkable species, 

 with Holly-like leaves. Sterile involucres unknown. Full-grown bur half an inch in diameter 

 including the prickles. 



Page 349. 45. WYETHIA. 



3 a . "W. coriacea, Gray. (In character between * and * *.) Barely a foot 

 high, villous-pubescent : stem stout, few-leaved : leaves long-petioled, firm-coriaceous, 

 much reticulated, ovate, or sometimes roundish, or the upper oblong, 3 to 5 inches 

 long ; the base either truncate or inclining to cordate, or oblique, or sometimes nar- 

 rowed into the petiole : heads few, rather narrow : scales of the involucre 5 or 6, 

 foliaceous, oblong or lanceolate, an inch to an inch and a half long, equalling or 

 exceeding the 5 to 8 rays, also 2 or 3 smaller rather chaify ones within : akenes 

 glabrous ; those of the ray oblong and obcompressed, of the disk 4 - 5-angled and 

 narrower : pappus 4 to 6 small and stout rather unequal blunt teeth, a little united 

 at base, rarely one of them longer and subulate. Proc. Am. Acad. xi. 77. 



On the Mesa Grande, 70 miles northeast of San Diego, Dr. Palmer. 



Page 352. 47. ENCELIA. 



5. E. viscida, Gray. Apparently a foot or two high and herbaceous, branching, 

 viscid-glandular throughout : stem and branches (as well as sparingly the leaves) 

 hirsute with long and slender many-jointed widely spreading hairs : leaves alternate, 

 ovate or oblong, sessile, mostly with auriculate or cordate half-clasping base, spar- 

 ingly serrate, an inch or two long (the lower not seen) : heads terminating short 

 leafy branches : scales of the involucre broadly linear, obtuse, a little unequal, all 

 shorter than the disk ; the outer greenish and viscid, thin-membranaceous ; the 

 innermost like the chaff of the receptacle thin-scarious : rays none : disk -corollas 

 light yellow : akenes narrowly cuneate, with callous margins and summit, strongly 

 white-villous, especially the margins, these extended into strong pubescent awns. 

 Proc. Am. Acad. xi. 78. 



Southern part of San Diego Co., at Lai-kens' Station, 80 miles east of San Diego, Dr. Palmer. 

 A remarkable species, with the aspect and foliage of a Hulsca. Heads three fourths of an inch 

 long. Akenes 4 or 5 lines long ; and the subulate awns 2 or 3 lines. 



Page 353. 49. HELIANTHUS. 



6. EL gracilentus, Gray. Perennial (but base not seen), apparently 3 feet or 

 more high : slender branches nearly smooth and glabrous : leaves lanceolate, rather 

 short, entire, pale and minutely hispid-scabrous both sides, obscurely triplinerved ; 

 the lower opposite and abruptly contracted into a short petiole ; the upper scattered 

 and gradually reduced to an inch or less in length : peduncles few or solitary and 

 slender : involucre shorter than the brownish-yellow disk ; its scales regularly im- 

 bricated, acute, destitute of tips, densely and rather hirsutely puberulent : rays 1 2 

 to 1 6, an inch or less long : akenes flat and broad, smooth, only half the length of 

 the slender bayonet-shaped scales of the pappus, which are fully three fourths the 

 length of the disk-corolla. Proc. Am. Acad. xi. 77. 



Mountains 45 miles northeast of San Diego, Dr. Palmer. 



Page 362. 57. HEMIZONIA. 



5 a . H. floribunda, Gray. Erect, apparently 3 feet high, with very numerous 

 and leafy branches, minutely glandular-pubescent : lower leaves not seen ; the upper 

 linear, obtuse, entire, a half to a quarter of an inch long : heads terminating the 

 branchlets, 3 or 4 lines broad and high, many-flowered : scales of the involucre 



