OP ARTS AND SCIENCES. 85 



majoribus subcuneatis 2-3-fidis ; floribus inter folia subsessilibus ; 

 corolla infundibuliformi violacea (semipollicari) calyce 2-3-plo lon- 

 giore, lobis late ovalibus ; ovulis solitariis. — California, on Lassen's 

 Peak, J. G. Lemmon and John Larsen, 1875. Habit of the Nava- 

 retia section ; but the lobes of the leaves and of the calyx are not even 

 mucronate, and the flowers are sparse. 



GiLiA (Ipomopsis) Haydeni. Fere glabra, e basi indurata peren- 

 ui vel bienni pauiculato-ramosissima, pedalis ; foliis linearibus, imis vix 

 spathulatis parce pinnatilobatis dentatisve, ramealibus plerisque minimis 

 subulatis integerrimis ; pauiculis subthyrsoideis floribinidis calycibus- 

 que parum glandulosis ; corolla cieruleo-purpurea gracili iufundibulari- 

 tubulosa (ultra-semipollicari), tiibo lobis suis ovatis calyceque o-4-plo 

 longiore ; antheris oblongo-sagittatis subsessilibus fauci iusertis ; ovarii 

 loculis 8-9-ovulatis ; seminibus paucis oblongis, tegumento humectato 

 nee spirillifero nee mucilaginoso ! — Mesa San Juan, southern borders 

 of Colorado or adjacent part of Utah, T. S. Brandegee, in liayden's 

 Exploration of 1875. Dedicated to the indefatigable explorer and geo- 

 logical surveyor, in charge of this and many other successful explora- 

 tions of our Rocky Mountain regions. The species has the habit and 

 color of corolla of the Eugilla division, but the long narrow corolla and 

 bractless pedicels of Ipomopsis. 



Gilia BRANDEGEr. EuGiLiA, pcrennis, pube glandulosa fragrante 

 viscosissima ; caulibus erectis spithamajis vel subpedalibus thyr- 

 sifloris ; foliis circumscriptione linearibus pinnatisectis, segmentis 

 plurimis sessilibus parvis aut oblongo-linearibus rarius ovalibus inte- 

 gerrimis aut bipartitis verticillos 3-4-foliolatos simulantibus ; corolla 

 aurea infundibulifornii-tubulosa calyce cylindraceo semi(juinquefido 

 2_3-plo longiore, fauce parum ampliata, lobis ovalibus brevibus ; ovulis 

 in loculis paucis. — South-western part of Colorado, in San Juan Gap 

 on the face of perpendicular cliffs, T. S. Brandegee, in liayden's 

 Exploration, 1875. A showy as well as most remarkable species, 

 with trumpet-shaped golden-yellow corolla, about an inch long. Leaves 

 2 or 3 inches, and their divisions only one or two lines, in length. 

 The likeness of this plant in foliage, flowers, and fragrant viscosity to 

 Pohmonium confertum var. melUtum is most striking. That species is 

 itself sufficiently anomalous in Polemonium, on account of its length- 

 ened corolla ; but its filaments are really declinate-curved, while they 

 appear to be not at all so in the present plant. If this character be 

 relinquished, nothing will be left absolutely to distinguish either 

 Polemonium or Lceselia. 



