374 PROCEEDINGS OF THE AMERICAN ACADEMY. 



Encelia Ghiesbreghtii Gray, Proc. Am. Acad. viii. 658 (1873), is to be 

 transferred to Simsia. 



Encelia (/lutinosa Rob. & Greenm. Am. Joiirn. Sci. ser. 3. 1. 155 (1895) 

 from Oaxaca = Flourensia glutinosa (Rob. & Greenm.) Blake, 

 n. comb. Habit much as in F. collodes, but petioles and young 

 branches tomentose, heads numerous and corymbed, and the decidedly 

 villous young achenes 2-awned but without squamellae. 



Encelia grandiflora Hemsl. 1. c. ii. 184 (1881) is a synonym of Simsia 



GRANDIFLORA Bcuth. 



Encelia heterophylla Hemsl. 1. c. 184 (1881) is a synonj-m of Simsia 



HETEROPHYLLA (HBK.) DC. 



Encelia kirsuta Ktze. Rev. Gen. iii. pt. 2. 145 (1898), including f. 

 radiata Ktze. 1. c, is to be transferred to Simsia. 



Encelia hispida Hemsl. 1. c. 184 (1881) is a synonym of Simsia 

 HisPiDA (HBK.) Cass. 



Encelia hypargyrea Rol). & Greenm. Am. Journ. Sci. ser. 3. I. 155 

 (1895), from Oaxaca and Puebla, = Viguiera argyrophylla Blake, 

 n. nom. (not J\ hypargyrea Greenm. Proc. Am. Acad, xxxix. 105 

 (1903)). Pappus of two awns with several short fimbriate scales be- 

 tween; achene thickened and appressed-pubescent. 



Encelia lagascaeformis Gray in Hemsl. 1. c. 184 (1881) = Simsia 

 lagascaeformis DC. (as to name only). 



Encelia maculata Brandeg. Zoe v. 259 (1908), from Puebla and 

 Oaxaca = Viguiera maculata (Brandeg.) Blake, n. comb. Pappus 

 and achene of Viguiera. Related to Viguiera eriophora Greenm. The 

 specimens examined (Purpus 4127) have the ray-flowers styliferous. 



Encelia mcgacephala Sch. Bip., a nomen in Ktze. Rev. Gen. iii. 

 pt. 2. 145 (1898), is a Simsia. 



Encelia mexicana Mart, in DC. Prod. v. 578 (1836) is a synonym of 

 Simsia auriculata DC. 



Encelia microcephala Gray, Proc. Am. Acad. viii. 657 (1873) = 

 Helianthella microcephala Gray, 1. c. xix. 10 (1883). 



Encelia microphylla Gray, 1. c. xv. 37 (1880), from Coahuila = Flou- 

 rensia microphylla (Gray) Blake, n. comb. Habit of Flourensia; 

 achene somewhat thickened (perfectly ripe fruit not seen), densely 

 villous in the manner of F. laurifolia DC, with or without a pappus 

 of 2 upwardly pubescent awns. The likeness to Flourensia of this 

 species was commented on by Dr. Gray (Proc. Am. Acad. xix. 7, and 

 Syn. Fl.). 



Encelia montana Brandeg. Univ. Calif. Pub. Bot. iii. 394 (1909), 

 from Cerro de Paxtle, Puebla {Purpus 3103) = Viguiera helian- 



