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 ON THE PROTEACEiE OF JUSS1EU. 127

Habitus. Frutices humiles, glabri. Folia alter na, fdi- formia, dichotoma, petioli basi dilatatd. Capitula globosa, parva, terminalia, racemosa, v. paniculata, involucro brevi v. nullo. Flosculi jlavi, glabri, unibracteati.

I have named this genus in honour of Dr. John Sims, the respectable editor of the ' Botanical Magazine.'

unifloris bracteolatis.
 * 1. S. tenuifolia, capitulis nudis, paniculae ramis sub-

Hab. In Novae Hollandiae ora australi : Lewins ciks Land ; ad latera saxosa collium. (ubi v. v.)

catis, paniculae ramis multifloris : ramulis capitula sub- aequantibus.
 * 2. S. anethifolia, capitulis involucratis bracteolis imbri-

Hab. In Nova3 Hollandiae ora australi : Lewins Land ; in arenosis prope littora. (ubi v. v.)

��14. CONOSPEBMUM.

Smith, Linn. Trans, vol. 4. Exot. Bot. Gcert. Carp. 3, p. 198, t. 215.

Char. Gen. Calyx tubulosus, ringens, lacinia suprema basi fornicata. Anther ce tres, inclusae, laterales dimidiatae, superior biloba: primo cohaerentes, lobis proximis vicina- rum loculum constituentibus. Stigma liberum. Nux ob- conica, papposa.

Habitus. Frutices. Folia sparsa, integerrima, plana, rariusve filiformia. Spicae axillares v. terminates, composite, se?isimjlorentes, hinc corymbosce. Flores solitarii, sessiles, unibracteati, albi v. ccerulescentes ; Calvce deciduo ; Bractea cucullatd persistenti.

Obs. Jussieu and Ventenat have referred this genus to the natural order Thymeleae ; but that it is a genuine Pro- teacea, as Dr. Smith has considered it, is proved by the erect embryo, the terminal style, and the aestivation of the Calyx ; and is rendered evident by its affinity to Simsia,

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