282 ROBINSON. 
scales very unequal, imbricated in 3-several graduated series, persist- 
ing until after the fall of the achenes.— Hoffm. in Engl. & Prantl, Nat. 
Pflanzenf. iv. Abt. 5, 140 (1890). Eupatorium ser. Subimbricata DC. 
Prod. v. 152 (1836). Eupatorium sect. Heterolepis Bak. in Mart. 
Fl. Bras. vi. pt. 2, 301 (1876). Batschia Moench, Meth. 567 (1794). 
Wikstrémia Spreng. Syst. iii. 484 (1826). Critonia DC. Prod. v. 
140 (1836). Disynaphia DC. Prod. vii. 267 (1838). Heterolaena 
Sch. Bip. ex Benth. & Hook. f. Gen. ii. 245 (1873).— Species very 
numerous, chiefly perennial herbs or shrubs. 
Key To SprEctes. 
. Leaves entire, rusty-woolly beneath.................. E. gynoxoides, 
Leaves ee 2d, u ndulate, or in a few cases (when not hae 
woolly) e 
b. He rate ae: (mostly 5-13)-flowered c. 
c. Leaves strongly discolorous, white-lanulate beneath d. 
d. Leaf-blade ovate-oblong, obtuse, rounded at base 
22. E. origanoides. 
d. Leaf-blade deltoid-ovate, acutish, cordate.......... 23. "E niveum. 
c. Leaves (when mature) never whitened pears 
e. Leaves spatulate-obovate, very fleshy, 1 Sasha lateral 
veins (pinnate) very obscure or invisible... .... . . E. sciaphilum. 
e. Leaves never obovate; lateral veins oe nerves nie 
eviden 
i: —- —— or in small glomerules loosely dis- 
open forking cymose panicles....... 25. E. iresinoides. 
Pe aes mooie in flattish or Conca: convex 
tomers or hi corymbosely disposed subglobose 
om 
. Leaves ‘auntely veined, subsessile or very shortly 
petioled A. 
h. Leaves oblong or lanceolate, coriaceous +. 
mentose beneath..........-- 26. E. salicinum. 
z Fag ee ath poe 
ranches of the ppescenes and pediceis ‘< 
abrous, often vernicose......- 7. E. baccharoides. 
j. Branches of the inflorescence and pedicels 
rupiy-pubenterit. vi. coo ice 28. E. arbutifolium. 
h. Leaves ovate, membranaceous 
: burbocenes, v. ovatifolium. 
E. 
g. Leaves age concigtll 3(-5)-nerved from or somew 
above 
k. Leaves slender-petioled; at suborbicular- 
lance-ovate, rounded at : 
l. — -chartaceous, ‘ete ire or ~ 
—ao en 2. E. Stuebelis. 
l. Leaves subcoriaceous, small (1.5- 
Les glabrous above, sparingly siecelions ‘a 
