Davis : DELPHINIUMS OF NORTH AMERICA. 453 



sepals oblong ; upper petals narrow, obtuse or retuse ; lower 

 petals bifid : carpels 3, puberulent at first. Oaxaca (f). 



Var. Hemsleyi HUTH, Bot. Jahrb. 20: 453. 1895. 



Spurs distinctly 2-lobed at the end (f). 



47. D. Ehrenbergi HUTH, in Bull. Herb. Boiss. i: 336. t. 



//,/. 2. 1893. 



Stem simple, succulent, very leafy, i to 2 feet high ; petioles 

 long with dilating bases : leaves 3~5-parted, cut into many ob- 

 long or linear lobes : racemes few-flowered, pedicels erect, lower 

 ones i to 2 inches long : flowers blue ; spurs straight, equalling 

 the sepals, which are oval, pubescent; upper petals yellow with 

 blue tips, lower ones 2-lobed, sparsely bearded, appendiculate 

 at base : follicles 3, erect, pubescent. Near El Cerro, Mex. (f.). 



48. D. pedatisectum HEMSL. Diagn. PI. Nov. 2: 18. 1879. 



Stem branching, branches smooth : leaves 3~7-parted, parts 

 scarcely lobed, puberulent : flowers blue, on long, slender, 

 puberulent pedicels ; bracts and bractlets linear-subulate ; 

 sepals oblique-oblong ; upper petals deeply 2-lobed, much 

 shorter than the spur, lower petals 2-lobed, bearded, appendi- 

 culate at base; stigmas glabrous: follicles 3, tomentose when 

 young ; styles long. Mexico. Specimen at Kew (t). 



49. D. latisepalum HEMSL. Diagn. PI. Nov. 2: 17. 1879. 



Plant pubescent or villose : stem nearly simple : leaves 5- 

 parted ; the parts of the basal leaves again 3~5-lobed, parts of 

 stem leaves nearly linear : flowers few on slender pedicels ; 

 spurs slightly curved, nearly equalling the sepals ; sepals vil- 

 lose ; upper petals narrow, slightly 2-lobed at the points ; lower 

 petals not appendiculate, deeply 2-lobed, much bearded on both 

 sides; stamens glabrous: follicles 3, clothed with white 

 pubescence when young. 9,000 feet. Mt. Tanga, Oaxaca, 

 Mex. Specimen at Kew (f). 



50. D. tenuisectum GREENE, Erythea, 2 : 184. 1894. 

 Root thick, woody, deep : stem 2 to 3 feet high, simple or 



little branched, not very stout, sulcate above : plant finely 

 pubescent throughout, leafy : leaves very finely dissected into 

 linear segments, the lower stem leaves on rather long petioles 

 dilated at base : racemes about 8 inches long, loosely flowered, 

 pedicels very slender, nearly erect, upper ones not longer than 



