named Rafflbsza. 209 



hispiduli vel minute pcnicillati : Umbus solutus rcclinatus, e 

 basi recurvata, subtus punctis parvis elevatis qaan^oque pilife- 

 ris insequali, adscendens, margine en vto-connhenti, Indiviao 

 tenuiter crenulato, substantia et superficie processions disci 

 similis, intus fasciculis vascularibus simplici aerie dispositia el 

 ad basin antherse singula? oexura ootabili instructs (tab. 21. 

 /. 2, 3, 7, 8. et t. 22> /. ().). 



Anther* (tab. 21. /. 4—8. et t. 22. f. 4—6.) simplici Bene dis- 

 positse, aequidistantes, 35 circiter, \i\ 40, sessile*, excavatio- 

 nibus dimidiae recurvata' limbi, cum iis colli continuis, lata 

 basi inserts, semiimmersa\ apicibus deorsum spectantibus, in 

 respondentibus ca\ itatibus colli receptis, ovato-globosa\ ])isi 

 magnitudine, apice depressione unica central] demum aperi- 

 ente umbilicata\ celluloses, cellulis indefinite Dumerosis, sub- 

 concentricis, longitudinalibus, exterioribus versus apicem eon- 

 niventibus, passim contiuentibus et quandoque transversim in- 

 terrupts, plenis Polline (tab. 21. f. 9.) minuto, splnerico, sim- 

 plici, larvi. 



Pistilli rudiment a nulla certa ; processus enim corniculati api- 

 cis columnar staminifera?, in circulis pluribus concentricis dis- 

 positi atque singuli fasciculo vasculari centrali donati, dubia* 

 natural sunt. 



To the foregoing description of Rafflesia it is necessary to add 

 some observations explanatory of structure ; and I shall also offer 

 a few conjectures on certain points of the economy of the plant, 

 and on its affinities. 



The great apparent simplicity in the internal structure of even- 

 part, especially in a flower of such enormous size, is in the first 

 place deserving of notice. 



'This observation particularly applies to the Column, which is 

 found to consist of a uniform cellular texture, with a very small 



vol. xiii. 2 e proportion 



