174 ERYTHEA. 
72. SympnHoricarpos MOLLIS, Nutt. 1. c. 4. 
73. Gatium Aparine, Linn, Sp. 108. 
74. Gatium ANDREwsII, Gray, Proc. Am. Acad. vi. 537. 
75. STENOTUS LINEARIFOLIUS (DC.), Torr. & Gray, Fl. 
ii. 238. A quite characteristic shrub of the southward slope. 
In most of the current literature it is placed under Aplo- 
pappus, which generic name is wholly untenable. 
76. GRINDELIA RoBusTa, Nutt. Trans. Am. Phil. Soc. 
vii. 3 
77. EXRIGERON PETROPHILUS, Greene, Pitt. i. 218. 
78. ERicEron Fottosus, Nutt. Trans. Am. Phil. Soe. vii. 
309. Common near the summit on the southward slope. 
79. Muioropus Canirornicus, Fisch. & Mey. Sem. Petr. 
ii. 
80. GNAPHALIUM MICROCEPHALUM, Nutt. Trans. Am. Phil. 
Soc. vil. 404. 
81. WYETHIA HELENIOIDES (DC.), Gray, Pl. Fendl. 82 
(1849): W. robusta, Nutt. Trans. Am. Phil. Soe. vii. 352 
(1840). Alargonia helenioides, DO. Prodr. v. 537 (1836). 
Not uncommon near the summit. 
82. HELIANTHELLA CASTANEA, Greene, Eryth. i. 127. 
83. Manta pissrrirLora, Torr. & Gray, FI. ii. 405. 
84. Hemizonta Heermannt, Greene, Bull. Torr. Club. ix. 
15. On the southern slope, at middle elevations only; but 
enumerated, as being here at its northern limit. 
85. LAaGoPHYLLA RAMosisstma, Nutt. Trans. Am. Phil. 
Soe. vii. 391. 
86. BLEPHARIPAPPUS PLATYGLossus (F. & M.), Greene, 
Pitt. ii. 246 
87. Barta GRactnis (DC.), Gray, Proc. Am. Acad. ix. 196. 
88, ERiopHyLium conrertirLorum (DC.), Gray, lL. ¢. xix. 
