Ranunculus rhomboideus, Goldie. 



Sierra La Plata, 10,000 feet altitude. 

 Berberis Fendleri, Gray, Plant. Fendl., p. 5. 



Valleys of the Rio Grande, Animas, and Mancos. 

 OoRYDALis Oaseat^a, Gray, Proc. Am. Ac, x, 69. 



Piedra Mountains, 10,000 feet altitude. 

 Nasturtitoi trachycarpqm, new species. 



E radice annua? erectum (pedale), ramosum, fere glabrum ; foliis 

 lyrato-sab-pinuatifidis ; racemis laxis ; floribus albidis ; petalis spathu- 

 latis sepala autherasque oblongo-sagittatas parvum superantibus ; sili- 

 quis oblougo-linearibus (lin. 4-5 longis) papilloso-asperatis in pedicello 

 rigido mox recurvato adscentibus stylo longo subulato superatis. 



The rhachis and stout pedicels are studded with the small and rough 

 papillte which abound on the pod, and suggest the name of this very 

 distinct species. — AsA Gray. Southwestern Colorado. 



Streptanthus cordatus, Nutt. 



Mesa Verde, growing under Junipenis occidentalism 6,500 feet. 

 Thelypodium iNTEGRiFOLiUM, Endl. var. ? 



Flowers white : racemes much longer and pod more stipitate. Com- 

 mon in the San Juan Valley. 



Draba aurea, var. stylosa, Gray. 



Wagonwheel Gap, on the Rio Grande. , 



Brassica. 



San Juan Pass, 10,000 feet, introduced. 



BiSCUTILLA (DiTHYREA) WiSLTZENI, Euglm. 



Valley of the San Juan, 4,500 to 6,000 feet altitude. 

 Cleome altrea, ZSTutt. 



Valleys of the San Juan and Mancos, 5,500 feet altitude. 

 Cleome Sonor^, Gray, PI. Wright, p. 16. 



San Luis Valley. 



Cleo^lella oocarpa, Gray, new species, Proc. Am. Acad., xi, 72. 



Diffusa, spithamtea ad sub-pedalem ; foliolis oblongo-linearibus ; ra 

 cemo Siepissime deusitloro ; bracteis inferioribus foliis conformibus, su- 

 perioribus simplicibus ; setulis stipularibus manifestis ; staminibus pe- 

 tala superantibus ; ovario apice 3-ovulato ; capsula ovata lineam longa 

 stylo breviusculo superata stipite (pedicellum subtequante) triplo bre- 

 viore ; seminibus 1-2 lievibus. 



Very abundant on the adobe hillsides and alkaline flats on the bor- 

 ders of the Mesa Verde about the Kio Mancos. Collected also in Nevada 

 by Drs. Torrey and Gray. 



SiLENE ANTIRRHINA, L. 



Mountains about Cafiou City, 6,000 feet altitude. 

 Arenaria saxosa. Gray, PI. Fendl., p. 13. 



Piedra and Los Pinos Mountains, 10,000 feet; Parrott Citv and banks 

 of the La Plata to 6,000 feet altitude. 



PoRTULACA retusa, Englm., PI. Liudu., 2, p. 154. 

 Arkansas Vallev and Southwestern Colorado. 



