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 ON THE ASCLEPIADE.E. 211

F.R.S., late Secretary to the Admiralty, and author of a very judicious and learned " History of Sumatra," in which, though it is evident that he has not made botany his par- ticular study, he has had the merit of turning the attention of botanists to several valuable plants, among others, to the Camphor- Tree of Sumatra, and to a species of this genus, Marsdenia tinctoria, said to afford the best indigo in that island.

f Stigma muticum. Marsdenise verse.

1. M. velutina, caule volubili, foliis cordatis late ovatis acuminatis tomentosis mollibus, cymis umbelliformibus, fauce nuda.

Hab. In Nova Hollandia, intra tropicum, (ubi v. v.)

2. M. tinctoria, caule volubili, foliis cordatis ovato- [30 oblongis acuminatis glabriusculis basi antice glandulosis, thyrsis lateralibus, fauce barbata.

Tarram akkar. Mars. Sumat. 78.

Hab. In insula Sumatra, (v. s. in Herb. Banks.)

3. M. viridiflora, caule volubili, foliis oblongo-lanceolatis glabriusculis basi obtusa, tubo intus villosiusculo.

Hab. In Nova Hollandia, intra tropicum, (ubi v. v.)

4. M. clausa, caule volubili, foliis lanceolatis utrinque acutis glabris : supra parum rugosis, fauce dense barbata.

Hab. In Jamaica. Sivartz. (in Herb. Banks, ubi v. s.)

5. M. suaveolens, caule suberecto, foliis ovali-lanceolatis glabris aveniis, tubo ventricoso, fauce barbata.

Hab. In Nova Hollandia, extra tropicum, (ubi v. v.)

6. M. cinerascens, caule erecto, foliis ovatis obtusiusculis venosis pube rara conspersis, petiolis semuncialibus, corollis subrotatis.

Hab. In Nova Hollandia, intra tropicum, (ubi v. v.)

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