206 ON THE ASCLEPIADEjE.
Stigma muticum.
Folliculi subcvlindracei, laeves. Semina comosa. Habitus Stapelise. Patria. Africa Australis.
Obs. The whole of the third section of Stapelia in Will- denow's edition of the " Species Plantarum," probably belongs to this genus ; but I have only had an opportunity of examining S. campanulata, venusta, and guttata, from which the character is formed. I have named the genus in memory of Justus Huernius, one of the earliest collectors of Cape plants, and from whose drawings the first account of Stapelia was taken.
23] PIARANTHUS. [Stapelise sp. Masson.
Char. Corolla campanulata, 5fida, carnosa. Columna fructificationis inclusa.
Corona staminea simplex, 5phylla, foliolis dorso dentatis. Anther a apice simplices.
Masses pollinis erectae, basi affixee, altero margine carti- lagineo-pellucido. Stigma muticum.
Folliculi
Habitus Stapeliae. Patria. Africa Australis.
Obs. The want of the external corona renders it neces- sary to separate from Stapelia and Huernia, this genus ; of which the only two certain species are Stapelia punctata and pulla of Masson; of both these 1 have examined spe- cimens collected by Masson, and preserved in spirits, in the collection of Sir Joseph Banks.
STAPELIA. [Stapelise plures, Linn, et Mass.
Char. Corolla rotata, 5fida, carnosa. Columna fructificationis exserta.
Corona staminea duplex, utraque in variis varia ; interior quandoque obsoleta.
Anther a apice simplices.
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