OP ARTS AND SCIENCES. 401 



GentianacecB. 



Gentiana lanceolata, Griseb. in DC. Prodr. ix. 102. Grassy- 

 places in wet soil, on the mountain summits above Batopilas, at 8850 

 feet, Palmer, 361. A slender form, often simple-stemmed and one- 

 flowered, from an annual root. Seed-coat minutely squamulose. 



Gentiana Wislizeni, Engelm. Trans. Acad. St. Louis, ii. 215, 

 t. 7. Same habitat as the preceding, Palmer, 334. Accords with 

 the plant of Wislizenus. 



Gentiana Wrightii, Gray, Syn. Fl. ii. 118. Near Yerba Buena, 

 at about 7,000 feet ; the handsome white flowers with a yellowish 

 tinge, Palmer, 306. 



Gentiana adsurgens, Cervantes in Griseb. Gent. 286. G. an- 

 gustifolia, Hemsl. Biol. Centr.-Am. Bot. ii. 350, not Michx. Wet 

 places on the mountain summits, at 8,850 feet, Palmer, 335. Appar- 

 ently a common species in Mexico. 



Halenia parviflora, Don, answering to the var. latifolia, the 

 short lower leaves being oval, which probably is the usual condition.* 

 Mountainous country, 150 miles north of Batopilas, Palmer, 403. 



Halenia Palmeri. Pedalis, striata, thyrsoideo-pluriflora ; foliis 

 omnibus augusto-liuearibus sub-uuinerviis nonnullisve inferioribus sub- 

 spathulatis fere trinerviis ; floribus 4-meris semipollicaribus ; sepalis 

 lineari-lanceolatis ; corollEe lutete calcaribus pendulis subincurvis tenui- 

 subulatis lin. 2-3 longis ; capsula ultra-semipollicari. — Mountain 

 summits above Batopilas, at 8,850 feet. Palmer, 359. 



Polemoniac.eae. 



GiLiA FLORiBUNDA. Gray, Proc. Am. Acad. viii. 267. A con- 

 densed form, 150 miles north of Batopilas, Palmer, 398. Not before 

 reported from Mexico. 



GiLiA Pringlei. Ipomopsis, sec. Gray, Syn. Fl. ii. (ed. 2), 410, 

 inter G. Thurberi et G. Macombii. Perennis basi suffrutescente ; 

 foliis fere omnibus pinnatipartitis segmentis rhachique filiformibus 

 mollibus ; glomerulis florum laxiusculis ; calycis lobis aristato-acumi- 

 natis ; corolla poUicari violaceo-purpurea, tubo sursum sensim ampli- 

 ato, lobis ovatis vel oblongis insigniter subulato-acuminatis ; staminibus 

 inaequaliter insertis fauce subinclusis, filamentis anthera oblonga hand 



* Ghiesbreght's no. 1.37 (we have not 618), referred to //. pun-ijlnm b}' Ilenis- 

 ley, with narrow Unear leaves throughout, appears to be identical witli tlie 

 Quitensian H. brevicoinis, Don. 



VOL. XXI. (N. S. XIII.) 26 



