ROBINSON. 
STUDIES IN THE EUPATORIEAE. 27 
attenuatis 5-angulatis fere glabris ; pappi setis aequalibus crassiusculis 
haud barbatis salmoneis vel roseis attenuatis subpatentibus. — Bak. in 
Mart. Fl. Bras. vi. pt. 2, 187 (1876). Pachychaeta eupatorioides Sch. 
Bip. mss. fide Bak. |. c. — Brastxta ; in planitiebus Prov. Minas Geraes, 
Lund ; Claussen (hb. Kew.) ; Riedel, n. 421; Rio Janeiro, Glaziou, n. 
14,018 (hb. Kew., hb. Berol.), n. 14,019 (hb. Kew.). 
Species reducendae vel excludendae. 
O. Burchellii Bak. in Mart. Fl. Bras. vi. pt. 2, 187 (1876) est forma 
Eupatorii tetranthii Sch. Bip. quod videtur solum forma oppositifolia 
EE. dentati Gardn. 
O. Chilea (HBK.) Hieron. in Engl. Bot. Jahrb. xxii. 706 (1897) ob 
antheris distincte appendiculatis certe ex Ophryosporo excludendus est 
E. Chilea HBK. 
O. Mandonii (Sch. Bip.) Benth. et Hook. f. ex Hook. f. et Jacks. Ind. 
Kew. ii. 354 (1895) est O. piquerioides (DC.) Benth. 
O. ovatifolius (DC.) Benth. et Hook. f. ex Hemsl. Biol. Cent.-Am. 
Bot. ii. 79 (1881), ob antheris obscure appendiculatis et ob affinitate 
indubia cum aliis speciebus Hupatorii melius nunc ad hoc genus re- 
ferendus, est vere ab E. polybotryo DC. Prod.-v. 174 (1836) nullo modo 
distinctus. 
O. solidaginoides (HBK.) Hieron. in Engl. Bot. Jahrb. xxix. 4 (1900) 
est eisdem rationibus LZ. solidaginoides HBK. 
O. solidaginoides, var. Bonplandianus (Sch. Bip.) Hieron. |. c. = 
Eupatorium solidaginoides, var. Bonplandianum (Sch. Bip.), n. comb. 
III. Tae Genus Hetogyne anp its Synonyms. 
Since its publication by Nuttall in 1841 the genus Helogyne has 
Temained an obscure monotype known only from a single fragmentary 
