374 PROCEEDINGS OF THE AMERICAN ACADEMY. 
Encelia Ghiesbreghtii Gray, Proc. Am. Acad. viii. 658 (1873), is to be 
transferred to Simsia. 
Encelia glutinosa Rob. & Greenm. Am. Journ. Sci. ser. 3.1. 155 (1895) 
from Oaxaca = FLovurensia 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. |. ¢. ii. 184 (1881) is a synonym of SIMsIa 
GRANDIFLORA Benth. 
Encelia heterophylla Hemsl. 1. c. 184 (1881) is a synonym of SrmstA 
HETEROPHYLLA (HBK.) DC. 
Encelia hirsuta Ktze. Rev. Gen. iii. pt. 2. 145 (1898), including f. 
radiata Ktze. |. c., is to be transferred to Simsia. 
Encelia hispida Hemsl. |. c. 184 (1881) is a synonym of SIMSIA 
Hispipa (HBK.) Cass. 
Encelia hypargyrea Rob. & Greenm. Am. Journ. Sci. ser. 3. 1. 155 
(1895), from Oaxaca and Puebla, = Vicurera argyrophylla Blake, 
n. nom. (not V. 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. |. c. 184 (1881) = Srmsta 
LAGASCAEFORMIS DC. (as to name only). 
Encelia maculata Brandeg. Zoe v. 259 (1908), from Puebla and 
Oaxaca = VicuIERA maculata (Brandeg.) Blake,‘n. comb. Pappus 
and achene of Viguiera. Related to Viguiera eriophora Greenm. The 
specimens examined (Purpus 4127) have the ray-flowers cadet: 
Encelia megacephala Sch. Bip., a nomen in Ktze. Rey. Gen 
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, l. c. xix. 10 (1883). 
Encelia microphylla Gray, |. ¢. xv. 37 (1880), from Coahuila = FLov- 
RENSIA microphylla (Gray) Blake, n. comb. Habit of Flowrensia; 
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 Gina to Flourensia of this 
species was commented on by Dr. Gray (Proc. Am. Acad. xix. 7, and 
Syn. FI. 
Encelia. montana Brandeg. Univ. Calif. Pub. Bot. iii. 394 (1909), 
from Cerro de Paxtle, Puebla (Purpus 3103) = VIGUIERA HELIAN- 
