Vernonia. | 
Involucres turbinate. 
Leaves linear. 
Heads 1-1} in, diam. 
Heads 3-3 in.diam. . . . . . 
Leaves oval or oblanceolate-oblong. 
Branches pubescent. Leaves narrowed at 
the base rn 
Branches glabrous. Leaves rounded or ob- 
tuse at the base . se eee 
Involucres campanulate. Pappus biseriate. 
Seabrous . . 1... we ee et 
Softly pubescent . . 2. 2. 1. . ee ee 
Bracts of the involucre obtuse, muticous, usually 
reflexed at the apex . coe ee 
Pappus pluriseriate. 
§ vi. SrencEria. 
Achenes hispid. Corolla gradually narrowed. 
Leaves glabrous or nearly so, or papillose-scabrid or thinly 
scattered with crisped hairs. 
Heads 4-3 in. diam. in broad cymes . 
Heads 14-2 in. diam. (except n. 54, var.) 
Involucral scales linear-lanceolate, acuminate 
Involucral scales ovate-lanceolate, subacute 
Leaves tomentose beneath at least when young. 
Heads 2-3 in. diam. Loe eee 
Heads 1-2 in. diam. 
Appendix linear-lanceolate, plane, ascending. Heads 
Mumerous . . . 1. 1. ee oe te te ee 
Appendix ovate-lanceolate acute. Heads 3-5-nate. 
Petioles winged . 2. 2. 1 1 7 ee ee 
Appendix ovate acuminate with midrib. Heads 3-5- 
nate. Petioles distinct. (Leaves glabrescent.) 
Appendix oblong-ovate or elliptical obtuse, muticous 
or mucronate, pubescent. Cymes broad . 
Appendix ovate-rotundate apiculate, recurved, to- 
mentose. Heads 1-3 in forks orterminal . . 
Achenes hispid. Corolla abruptly narrowed. Appendix 
anceolate acute undulate squarrose. Heads 1-3-nate, 
with leafy bract. Petiolesdistinct . . ....- - 
Achenes hispid. Herb of 2-4 in., leafless from woody stock. 
Appendix obscure... 1. ee ee 
Achenes glabrous or nearly so. Corolla abruptly narrowed. 
Leaves glabrous or minutely hairy. 
Leaves distinctly petiolate. Achenes subequally 
costate 2. 2. 1. 1 1 we ee et 
Leaves narrowed into winged petiole. Coste of 
achenes alternately narrower . sone 
Leaves tomentose beneath. 
Intermediate involucral bracts ovate-lanceolate 
Intermediate involucral bracts elongate linear acu- 
minate er 
§ vii. Srrosocazyx. 
en glabrous. 
olucral bracts le . 
Tnvolucral bracts ot coloured. 
Heads large, 14-12 in, diam. 
Heads narrow, 4-4 in. diam. 
Trees, 15-25 feet high, 
LXXIII. COMPOSITH (OLIVER AND HIERN). 
68. 
69. 
269 
« 
. V. infundibularis. 
. V. Schweinfurthit. 
. V. obconica, 
. V. glabra. 
. V. inulefolia. 
. V. Hochstetteri, 
. V. Quartiniana. 
. V. abyssinica. 
. V. Kotschyana. 
. V. Buchingeri. 
. V. firma. 
. Vz tigrensis. 
. V. Tenoreana. 
. V. Grantii. 
. V. adoénsis. 
. V. shirensis. 
. V. mossambiquensis. 
. V. pumila. 
. V. insignis. 
. V. Calvoana, 
. V. Rothii. 
. V. hymenolepis. 
V. cylindrica. 
V. frondosa, 
