346 i'OLYADELPHIA. 



fruit is a membranous winged capsule, opening at the 

 top. Monsonia, Curt. Mag. t. 73, Lamarck, t. 638, 

 removed by Schreber and Willdenovv to Monadel- 

 phia, rather, I think, belongs to this class where Lin- 

 naeus placed it. The 5 filaments, bearing each 3 

 long-stalked anthers, are merely inserted into a short 

 membranous cup, or nectary, for so the analogy of the 

 3 preceding genera induces us to call it ; and if we 

 refer Monsonia to Monadelphia, we fall into the error 

 of Cavanilles mentioned p. 339. Lastly, Citrus, the 

 Orange, Lemon, Sec, Lamarck, t. 639, most unques- 

 tionably belongs to this Order. Its stamens are about 

 19 or 20, combined variously and unequally in sev- 

 eral distinct parcels ; but those parcels are inserted 

 into a proper receptacle, by no means into the calyx, 

 as the character of the Class Icosandria indispensably 

 requires. Even the number of the anthers of Citrus 

 accords better with most plants in Dodecandria ihan 

 in Icosandria, notwithstanding the title of the latter. 



2. Icosandria. Stamens numerous, their filaments inser- 

 ted (in several parcels) into the calyx. — To this Order 

 Professor Willdenovv properly refers Melaleuca Exot. 

 Bot. t. 34 — ^6, 55, 56, which had previously stood 

 in Polyandria, botanists having only considered num- 

 ber and not insertion in the Orders of Polyadelphia, 

 whence a double mistake has arisen, concerning Cit- 

 rus on the one hand, and Melaleuca on the other. 



3. Polyandria. Stamens very numerous, unconnected 

 with the calyx. This Order consists of several gen- 

 era. The most remarkable is Hypericum, EngL Bot. 



