PLANTS WRIGHTIANjE. 



Part I. 



RANUNCULACE^. 



1. Clematis Drummondii, Torr. 8f Gray, Fl. 1. p. 9 ; Gray, PI. Lindh. 2. no. 

 319 ; var. foliis parvulis ramulisque magis sericeis. Bluffs of the Rio San Felipe, 

 July ; also in the pass of the Limpia, in A'alleys between the mountains, Aug. ; in 

 fruit. Apparently the same as No. 631 and 637 of Coulter's Mexican collection, 

 named by Dr. Harvey " C. caudata. Hook.," — a species which I have not found 

 described. A few specimens of the normal form were gathered in AVestem Texas. 



•f Ranunculus repens, Linn. ; var. caulibus elongatis ; floribus pleiopetalis. 

 Margin of the Limpia, August. 



MENISPERMACE^. 



2. CoccuLus Carolinus, DC. ; Gray, Gen. III. 1. t. 28. High prairies, between 

 the San Felipe and San Pedro Rivers, July. 



NYMPH^ACEiE. 



3. Ntmphjea Mexican a, Zuccarini, Abhand. Math.-Phys. Bayersch. Acad. 1. 

 p. 365 ] ex char, in Walp. Repert. 1. p. 108. In a pond near the head of the 

 Leona ; June. (In flower and fruit.) — A slender species, with a short rhizoma. 

 Leaves three or four inches long, obscurely crenate or mostly entire. Petals an 

 inch and a half long, tinged with blue in the dried specimens ; the color of the 

 recent flowers not recorded. Seeds smaller than in N. odorata, globular, smooth. 



f N. AMPLA, DC. Syst. 2. p. 54; Hook. Bat. 3Iag., t. 4-469. A specimen of this 

 plant was gathered by Mr. Wright in 1848 on the Rio Grande, above Presidio de 

 Rio Grande. The anthers are terminated by a slender tip. 



CRUCIFER^. 



4. Streptanthus linearifolius. Gray, PI. Fendl. in Mem. Amer. Acad. n. ser. 

 4. J). 7. Valley of the Limpia or Wild Rose Creek ; Aug. — The root is plainly 

 perennial. I was doubtless mistaken in attributing to Fendler's specimens an annual 

 or biennial root. 



5. S. petiolaris, Gray, PI. Fendl. I. c. in not. San Marcos Spring, Texas. 



6. S. bracteatus. Gray, Gen. III. 1. p. 146, t. 60, Sj" PI. Lindh. 2. ]). 143. 

 Sand-bars of the Colorado ; April. — With entire and with lyrately parted or 

 divided leaves. 



7. Theltpodium Wrightii (sp. nov.): foliis lanceolatis repando-dentatis vel den- 

 ticulatis omnibus in petiolum brevem angustatis ; petalis calycem vix superantibus ; 

 racemo fructifero denso modice elongato ; siliquis patentissimis elongatis brevissime 

 stipitatis. — Pass of the Limpia, on the mountains of New Mexico ; Aug. (in flower 

 and with immature fruit). — Stem two or three feet high, from a biennial or annual 

 root. Leaves broadly lanceolate, or lanceolate-oblong, from two to four inches in 



