21 



*TROCHETIA grandiflora. 

 Large-Jiowered Trochetia. 



MONADELPHIA POLYANDRIA. 



Nat. ord. Byttneriaceje. 



TROCHETIA, D. C. Involucellum nullum. Calyx quinquepartitus, 

 foliolis lanceolatis, sestivatione valvatis. Corollce petala 5, hypogyna, obovato- 

 subrotunda, sestivatione convolutiva, decidua. Stamina 15-30, hypogyna, 

 basi in urceolum connata, quinque v. septem sterilia, ligulaeformia, Integra v. 

 irregulariter bifida, cum duobus v. tribus fertilibus brevissimis alternantia ; 

 filamenta subnuUa ; antherce introrsae, bUoculares, erectae, loculis longitudi- 

 naliter dehiscentibus. Ovarium sessile, quinqueloculare. Ovula in locu- 

 lorum angulo centrali plura, biseriatim adscendentia, anatropa. Stylus ter- 

 minalis, filiformis ; stigma obtuse quinquelobum. Capsula quinquelocularis, 

 loculicide quinquevalvis, valvis medio septa margine seminifera gerentibus. 



Semina plurima, subrotunda, aptera. Embryo . . . . Arbusculse borbo- 



niccs et madagascarienses, ferrugineo-lepidotca ; foliis alternis, petiolatis, 

 ovatis V. ovato-lanceolatis, coriaceis, penninerviis, integerrimis, pedunculis 

 axillaribus unitrifloris. Endlicber genera, no. 5351. 



T. grandiflora ; foliis ovalibus acutis subdentatis, pedunculis 3-4-jfloris, petalis 

 calyce longioribus. 



This noble plant was introduced by His Grace the Duke 

 of Northumberland from the Mauritius, and flowered at Syon 

 in December last. Its name is probably one of M. Bojer's, 

 but it has not yet found its way into any of the modern com- 

 pilations of species. The plant at Syon is a seedling, about 

 six feet high ; when struck from cuttings it will probably 

 become bushy, in which case it will be very beautiful, as it 

 appears to be a free flowerer. 



The blossoms are snow-white, with a yellow blotch at the 

 base of each petal, and are nearly three inches in diameter. 

 Their pendulous position, which occurs in all the known 



* So named by DeCandoUe in honour of M. Dutrochet, the cekbrated 

 French physiologist. 



