HEWARDIA. 431 



gono dentihus staminum basibus confluentibus, antlieris muti- 

 cis, capsula brevi ovato-3-gona, valvis ovato-lanceolatis. 



Description of the Plate, Tab. XV. 



T. Anglica. 1. Flower bud with its bracte. 2. Plan of 

 the flower, showing the position of the organs with regard to 

 the axis of the plant. 3. Section of the flower showing the 

 stamens forming a continuous body with tlie hypogynous 

 disk, which embraces the base of the ovarium. 4. The disk- 

 separated from the flower with the base of the truncated 

 stamens. 5. The same cut open, and artificially expanded. 

 6. The ripe capsule. 7. The same at the moment it dehis- 

 ces, showing the relative length of the coma of the seed. 8. 

 A valve separate. 



T. Gallica, Linn. I. Tiie flower deprived of the corolla, and 

 a portion of the calyx, to show the hypogynous disk embra- 

 cing the base of the ovarium. 2. Section of the same, more 

 highly magnified, showing the insertion of the stamens. 3. 

 The disk apart with the bases of the filaments. 4. Section 

 of the same expanded and highly magnified, to show by tran- 

 sparence, the true base of the filament. 5. The capsule sur- 

 rounded by the persistent calyx, 6. The same separated from 

 the calyx at the moment of its dehiscence, to show the rela- 

 tive length of the coma of the seed. 7. A valve separate. 

 All the figures are magnijied. 



XXIX On Hewardia, a new genus of Ferns. By Mr 



John Smith, F.L.S. 



(Tabs. XVI. XVII.) 



(I RECEIVED the following communication respecting this 

 new genus of Ferns from Mr Smith in a letter dated. Royal 

 Botanical Garden, Kew, September 28lh, 1840. Finding 

 that I could sooner give it publicity in my Journal of Botany 

 than in my Genera Filicum, I resolved to give a figure with 

 Mr Smith's description in this work; and the generic distinc- 



