216 ON THE ASCLEPIADE.E.
Habitus. Frutex erectus. Folia opposita, basi supra biglandulosa. Flores racemosi, laterales. Patria. America meridionalis.
ASCLEPIAS. [Asclepiadis sp. Linn.
Char. Corolla 5partita, reflexa.
Corona summo tubo filamentorum imposita, 5phylla, foliolis cncullatis, e fun do exserentibus processuni aversum corniformem.
Anthem membrana terminate.
MasscB pollinis compressae, apice attenuato affixa3, pen- dulae.
Stigma depressum, muticum.
Folliculi heves. Semina comosa. 37] Habitus. Herbte erectae. Folia opposita, nunc alterna! vel verticillata. Umbel/a? interpetiolares.
Patria. America Septentrionalis.
Obs. The species of this genus which I have examined, are A. Syriaca, (most improperly so called, as it is a native of North America only), amcena, purpurascens, variegata, curassavica, nivea, elevata, parcijlora, incarnata, decumbent, verticillata, tuberosa, of Willdenow's Spec. Plant., and some unpublished species in the Banksian Herbarium ; and there can be little doubt that A. pulchra, cilrifolia, Mexicana, linaria, rubra, and all the species of Michaux, belong to it.
GOMPHOCARPUS. [Asclepiadis sp. Linn.
Char. Corolla opartita, reflexa.
Corona summo tubo filamentorum imposita, 5phylla, foliolis cncullatis utrinque unidentatis, intus simplicibus.
Anther ce membrana terminatae.
Massct pollinis compressae, apice attenuato afflxse, pen- dulse.
Stigma depressum, muticum.
Folliculi ventricosi, spinis innocuis echinati.
Semina comosa.
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