THE GENUS HYPERICOPHYLLUM. 121 
Heads discoid, 3-7-flowered ; receptacle 
small, flat; ovary and achenes very 
stout, compressed-obconical, with 1 
obscure rib down the middle of each 
of the two broad faces, very densely 
covered with adpressed hairs ; pappus 
of several broad lanceolate membranous 
scales, with a rather stout midrib ; 
corolla very slightly exceeding the 
pappus ; leaves herbaceous.—Mexico 
and Nicaragua......... essen eees . Esprsoa, DC. 
Heads radiate, many-flowered ; receptacle 
flat; achenes linear-cuneate, sharply 
4-angled, pubescent; pappus of many 
straight bristles as long as the corolla- 
tube, furnished with a half-adnate 
membranous wing or tooth on each 
side at the base; leaves herbaceous, 
obscurely pellucid-dotted.—Mexico., CumryMenta, Hook. & Arn. 
Heads discoid, many-flowered; recep- 
tacle flat; achenes narrowly cuneate, 
4-5-angled, pubescent or subglabrous ; 
pappus of many rigid bristles, hooked 
at the apex, shorter than or sub- 
equalling the corolla-tube, ciliate or 
glabrous ; leaves herbaceous, with 
immersed glands, sometimes pellucid- 
dotted.—Tropical Africa.......... .. HyppricorpHy.ium, Steetz. 
With regard to the species of Hypericophyllum some con- 
fusion has arisen on account of the absence of good material at 
the time when the Composite were worked up for the ‘ Flora of 
Tropical Africa.’ When the 8rd volume of that work was 
published, the only representative of the genus Hypericophyllum 
at Kew was a mere scrap of a flowering branch, collected in 
Zanguebar by Captain Burton, which, probably by reason of the 
absence of the characteristic stem-leaves, was mistaken for 
H. compositarum, Steetz, an identification that has led to some 
confusion amongst the other members of the genus. As there 
is now good material of five distinct species of Hypericophyllum 
at Kew, I give the following brief synopsis of them :— 
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