88 
DESCRIPTIVE LIST OF NEW PLANTS. 
Proteacete. —Tetandria Monogynia. 
Orothamnus Zeyheri (Pappe). We have on several occasions 
had reason to lament the loss to our collections of many Cape 
Proteacea, which were once well known in our gardens. They 
seem to have died out, and have not been replaced ; and we may 
now express our regret that the present superb species has not 
yet been introduced alive to our collections. That it will be so 
ere long we feel confident. The present faithful description was 
made from a living plant at the Cape, and kindly sent us by Dr. 
Pappe. It is a shrub, six to eight feet high, erect; the branches 
purplish, villous; leaves alternate on the branches, sessile, 
imbricated, entire, elliptic, externally concave, pellucido-punc- 
tate, glabrous, margined with purple, an inch, or an inch and 
a half long; capitula, one to three, or more, at the extremity 
of a branch, drooping, bracteated ; leaves of the involucre dis¬ 
tinct at the base, membranaceous, petaloid, rose-red ; the exterior 
larger, oblong-obovate, obtuse, veined, glabrous within, externally 
and at the margin villous; bracteas similar to the leaves, imbri¬ 
cated, oblong-lanceolate, internally glabrous, glossy, externally 
and at the margins densely villous; lacinise of the calyx villous, 
bearded at the points, a little shorter than the style, which is 
filiform and glabrous ; stigma coloured, apriculate. The plant 
was discovered lately by Mr. Zeyher, in marshy places on the 
summit of Hottentots-Holland mountains ; flowering in July.— 
Bot. Mag . 4357- 
CactacEtE. —Icosandria Monognyia. 
Mamillaria clava (PfeifF). A very striking species of Mamil- 
laria, remarkable for its columnar, rather clavate, form, its very 
prominent mamillse and large, glossy, straw-coloured flowers. 
Our plant is a foot high, columnar, of a glaucous green colour, 
studded, as it were, on all sides, with large projecting and ascend¬ 
ing mamillm, of a pyramidal form, with bluntly-angled sides, 
densely downy, with white wool in the axils; the areolse terminal 
or subterminal, woolly, and bearing besides from eight to eleven 
straight, spreading, long, rigid spines, of a pale brown colour, 
and a single longer and stronger central one. From the extremity 
of this plant the flowers appear, two or three, large, handsome, 
and showy; the base is occupied by green, imbricated scales, 
