ADDITIONS AND CORRECTIONS. 



Page 43. 17. NASTURTIUM. 



3*. N. obtusum, Nutt. Annual or biennial, glabrous or nearly so : stems much 

 branched, decumbent or procumbent, a span long or less : leaves pinnately parted or 

 divided ; the segments mostly oblong, sinuately toothed : Hovvers minute : pods 

 ovate- to linear-oblong, 2 or 3 lines long, very obtuse or acutish, beaked by the 

 short style : pedicels about a line long. — Torr. & Gray, Yl. i. 74. 



On the headwaters of Kern River (Rothrnck) ; Nortlietn Nevada (IFalson) ; frequent eastward 

 from Colorado and New Mexico to the Mississippi. 



Page 300. 3. BRICKELLIA. 



2. B. grandiflora, Nutt., var. minor, Gray, Proc. Acad. Philad. March, 18G3, 

 67. A Ibrm decidedly smaller in all its parts ; collected on a peak near Lake 

 Tahoe, Lemmon. 



r.vgo313. 16. APLOPAPPUS. 



8*. A. Palmerl, Gray. Shrub 4 feet high, paniculatoly much branclicd, some- 

 what resinous ; branches often virgate, very leafy : loaves iiliform, about an inch 

 long, with shorter ones fascicled in the axils, obscurely punctate : heads paniculate, 

 4 lines long : involucre turbinate ; the scales oblong-linear, very obtuse, chartaccous, 

 minutely granulose-glandular, the narrow scarious edges especially at the tip ciliate- 

 fringed : rays 3 or 4, not longer than the 11 to 15 disk-flowers : akencs short-linear, 

 villous-pubescent. — Proc. Am. Acad. xi. 74. 



Tecate Mountains, in Lower California, 20 miles or more below the State lioundary {Pahner) ; 

 San Bernardino Co., Parry. One of the Ericamcria section, related to A. pinifolius, A. cricoides, 

 and the Now Mexican A. larici/olius. 



14. A. gracilis, Gray. Rigid-herbaceous (the root in ours seemingly perennial), 

 pubescent : stems a span to a foot high, loosely and simply branching, slender : 

 leaves linear or the lowest somewhat spatulate, pinnately 5 - 7-clcft or incised, the 

 lobes abort and tipped with a rigid bristle ; upper leaves gradually reduced to linear 

 and entire small and appressed bracts (3 to 2 lines long), which pass into the 

 appressed closely imbricated scales of the obovato involucre : heads small, terminat- 

 ing the virgate branches : rays 12 to 18, short: akencs silky-hairy: ])appus dirty 

 white, of rather scanty and extremely unequal bristles ; the innermost rigid and wider 

 downward, about the length of the disk-corolla, the others successively shorter and 

 liner : style-appendages linear, as long as the stigmatic ]>ortion. — PI. Fendl. 76. 



Southeastern part of the State ; San Diego and Sin Bernardino counties (Cooper, Cleveland, 

 Palmer) ; thonce east to New Mexico. Head a qunrterof nn inch hi"h : scales of the invohicrc 

 linear, rigid, mostly bristle-tip])ed, in the plant of Arizona and Calirnrnia minutely granulate- 

 glandular. Belongs to the Blepharodon section, along with A. nrciwrius and A. s/iinu/osus, 

 referred to on p. 314. 



Page 314. 17. BIGELOVIA. 



1'. B. spathulata, Gray. A low and corymbosely much-branched shrub, gla- 

 brous, hardly at all glutinous : branchlots leafy to the summit : leaves (half an inch 



