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 ON THE ASCLEPIADEiE. 227

Stigma submuticum.

Folliculi

Habitus. Herba decumbens, humilis. Folia oppo- [52 sita, hastata. Flores subumbellati. Patria. Africa Australis.

Obs. This remarkable character is taken from Apo- cynum hastatum, Thunb. Prod. 47 ; A. minutum, Linn. Suppl. 169, and from a very nearly related species found at the Cape of Good Hope, by Mr. Ferdinand Bauer.

��METASTELMA.

Char. Corolla subcampanulata ; Fauce coronata den- tibus 5 exsertis, sinubus oppositis, tubum decurrentibus.

Corona staminea nulla.

Antherce membrana terminatse.

Masses pollinis compressse, apice attenuato affixse, pen- dula3.

Stigma muticum.

Folliculi

Habitus. Planta perennis, volubilis, glabra. Folia opposita, membranacea. JJmbellce interpetiolares, subses- siles. Flores parvi.

Patria. America Meridionalis.

Obs. This is the Cynanchum parviflorum of Stoartz, whose description, however, of the corona, in Flor. Lid. oc. l,jy. 537, does not agree with ours, which was taken from excellent specimens in the Banksian Herbarium, col- lected in the islands of St. Croix and St. Christopher, [53 Masson and Von Rohr.

��MICROLOMA. [Ceropegiae sp. Linn. Jacq. Ceropegia

Lam. Illust. Gen. tab. 179.

Char. Corolla urceolata, tubo ventricoso, angulato, fauce nuda, limbo breviore.

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