xxiv 



EXPLANATION OF THE PLATES. 



with the albuminous substance which is denoted by 

 the hned portion, (121, 386.) 

 Fig. 12. Pencil-shaped pappus of Leyssera capilli/blia. 



13. Seed of Epilobium angustissimum, with its hairy 



coma, (109.) 



14, 15. Achenium of Laserpitium latifolium, with four 



membranaceous wings, and the intervening cavi- 

 ties, (109.) 



16. Legume of Vicia consentina, (114.) 



17. Tailed utriculus (arillus Linnsei) of Geranium Bo- 



hemicum, (109.) 



18. Lomentum of Hedysarum coj^onarium^ (X^^-) 



19. Winged seed of Tritonia flava Ker, (109.) 



.20. Section of the seed of MirahiUs Jalappa. The em- 

 bryon in the circumference marked by lines. The 

 albuminous substance in the centre, (28, 121.) 



21. Capsule of Maurandia antii-rhiniflora Willd. It 



has double sides : the exterior side is composed of 

 five regular valves ; the interior displays two com- 

 pletely dissimilar, irregular loculi, the larger of 

 which shews the rudiments of four loculi in the 

 four projections of the side. The placentation is 

 central. There are properly, therefore, two united 

 capsules, the larger of which shews the intended 

 quadrilocular structure of the capsule of this fami- 

 ly in its first rudiments, (110, 111, 185, 189, 192.) 



22. Achenium of Asterocephalus Caucasius. Membra- 



naceous pappus. Five bristles proceeding from 

 within, (§ 109, page 354.) 



23. Apple with five locuh, (115.) 



24. Seed of Anona squamosa L. The albuminous sub- 



stance is formed into plaited wrinkles, (albumen 

 ruminatum, 26.) The small embryon lies at the 

 upper part, in a cavity of the umbilicus. 



25. 26. Craterium pyriforme Ditm. One of the Gas- 



tromyci, (page 462.) 

 27, 28. The sporidia of the former, with the tufty tex- 

 ture, (119^ page 72.) 



