18 NEW GENERA OF S. AFRICAN PLANTS. 
e dentate at the apex, the upper angle incurved and produced 
* into a subulate tooth, the lower (basal) angle produced in 
“ front (where it joins the column) into a channelled ear; 
* labellum subulate, acute, toothed at each side near the 
* base, substipitate. 
“ Stem six inches high. Sepals divided (as respects colour) 
* Jongitudinally into two portions; the anterior purple on 
* the inside and black on the outside, the other white. Pe- 
* tals fleshy, greenish, mottled with purple; purple at the 
“apex. Galea greenish-white. 
er Hottentots Holland Mt. Mr. Bowie, 1818. Muyrenberg, 
Mr. Upjohn, 1840. 
* Certainly distinct from P. melaleuca. 1 send my only 
* duplicate, but hope to get more next year. It is a most 
“ singularly lurid-looking plant.” 
IIIL.— Descriptions of several new Genera of South African 
Plants. By tue Hon. W. H. Harvey. 
HIPPOCRATEACE. 
1. Diptestnes.—Caly2 6-phyllus, sepalis biseriatis, 3 
exterioribus minoribus, squameeformibus, 3 interioribus inæ- 
qualibus, uno multo majore petaloideo. Petala 6, biseriata, ` 
persistentia, sub disci margine exteriorá inserta; 3 exteriora - 
majora, simplicia, 3 interiora (inaequalia, uno minore) brevi- 
unguiculata, utroque latere saccata. Discus expansus, Car- ` 
nosus, duplicatus (margine duplici) Stamina 3, hypogyn? 
distincta; filamenta subulata, plana, stylo longiora, demum ` 
reflexa ; anthere biloculares ; adnate, ovate, extrorse, loculis 
basi divergentibus, longitudinaliter dehiscentibus. Ovarium ` 
trigonum, triloculare; ovula 2 in utroque loculo superposita. ` 
Stylus simplex, brevis. Fructus ....?—Frutex glaber; ` 
folis alternis? ellipticis, obtusis, denticulatis v. subinteger- ` 
rimis, supra-nitentibus, subtus reticulatis; floribus flavo- - 
viridibus, axillaribus, fasciculatis, pedicellis unifloris. | 
