430 ADDITIONS AND CORRECTIONS TO VOL. I. 



narrowly acuiuinate witli the narrow entire crest : sj)ur more blender and soiiiewliat 

 curved. 



Sierra Nevada, above Cliico, Mrs. J. liidiccU. 



C. CusicKil, tolk'ctcd ill Union County, C)ri'gon, by W. C. Caskk, is a similar species, witli 

 the broad margins of the hood inoduced beyond its acute ai)ex and folded baek over tiie nairovv 

 somewhat crisiu-d or eiose crest : leaves bipinnately diviiled, the oblong-oval leutlcts acute at each 

 end, hair an inch long. 



C. BuANDEOEl, of the mountains of Southern Colorado and in the Wahsatch, and referred to 

 C Cascaiia, is tall and stout (5 feet high), with twice or thiice jiinnately divided leaves, the 

 lanceolate leaflets A to 1 inch long, acute or acuminate : hood not crested, the margins folded back 

 and not projecting beyond the obtuse summit : capsule oblong-obovate, obtuse, rellexed. 



Page 28. 3. DRABA. 



3. D. aureola. (Siil)stitiite for D. aurea.) liiemiial or sometimes of longer 

 duration, very densely pubescent with stelhite hairs : stems stout, sim[)le, 2 to 4 

 inches high : leaves crowded at base, the lowermost dead and blackened, s[)atulate, 

 obtuse, entire, 3 to 6 lines long : raceme dense : llowers bright yellow : pods broadly 

 oblong, obtusish at each end, pubescent, ascending, 2 to -i lines long, mostly exceed- 

 ing the pedicels, abruptly beaked by a rather short stout style. 



Sien-a Nevada, in Siena County (Z«)ihio)0, 'ind on Lassen's Peak, Mrs. AiLslia. The speci- 

 mens from Mount Dana (Brewer) are probably the same, though more slender and with liner 

 jtubescence, and the llowers apparently white. 



3*. D. COrrugata. Similar to the last, but the stellate pubescence coarser and 

 more villous : slein branched i'rom tiie base : llowers yellow, in shorter looser racemes, 

 with narrower sepals and petals and more e.xserted stamens : pods oblong or oblong- 

 lanceolate, 2 to 5 lines long, much exceeding the pedicels, jiubescent, obtuse or nioie 

 or less acute, beaked with a long very slender style, variously contorted. 



San Bernardino Mountains ; sides of Slount Grayback, /. G. Lcmmoii. 



6'. D. Lemmoni. Caudex stout and much branched : leaves crowded at the 

 summit of the branches, broadly oblanceolate, obtusish or obtuse, 2 to 4 lines long, 

 with long branching hairs on the margins and loosely scattered over the surface : 

 scape (an inch high) and corymbed pedicels pubescent with horizontally spreading 

 hairs : llowers yellow, nearly 2 lines long : pods ovate-lanceolate, beaked with a very 

 short thick style, sparingly hairy, 3 lines long, rather exceeding the pedicels. 



Summit of Mount Lyall, at 13,000 feet altitude, J. G. Lcmnion, Aug. 1878. 



Page 29. 4. DENTARIA. 



1. D. tenella, Pursh. Eootstock often tuber-bearing : pods 1 to If inches long, 

 nearly a line broad, 4 - 8-seeded ; style slen<ler, 2 or 3 lines long; stigma 2-lobed. 



2. D. Californica, Watson. Stem simple, 6 inches high or more, rather stout, 

 from a small deep-seated tuber : leaves 2 to 4, thick, on short ]»etioles, ovate to 

 round-reniforra, cordate or sometimes cuncate at base, oliscurely sinuate-dentate or 

 coarsely and sharply or laciniately toothed, very rarely S-lobed : petals 4 to 6 lines 

 long, rose-color; sepals purplish, not half as long: pods 12 to 18 lines long by a 

 line wide, attenuate into a very slender style, on spreading pedicels. — Proc. Amer. 

 Acad. xiv. 289. 



Var. pachystigma, AVatson, 1. c. Pod much stouter and broader, with a very 

 short stout style. 



Sierra Nevada, Plumas County, J. G. Lcmmon, Mrs. Austin, Mrs. Ames. Referred to under 

 Cardamine -pa ucisedu. 



Page 30. 5. CARDAMINE. 



2'. C. hirsuta, Linn. Plumas County, Mrs. Austin. 



4. C. Breweri, Watson. On Mad River, Humboldt County, V. Ruthin. 



