EXPLANATtON OF THE PLATES. XXXi 



perly the superior one, that with three lobes the 

 inferior. The long ciliated filaments are of the 

 didynamia structure : the pistillum is divided, (43, 

 187.) 



17, 18. Flower of Buttnera cordata. Quinque-partite, 

 open calyx. Five lunulate petals, furnished at 

 their upper part with two auriculae, and be- 

 tween them with a long slightly ciliated bristle. 

 Five filaments with bilocular anthera?, between 

 which and the pistillum a five-lobed fringe 

 stands, the lobes of which are eraarginated, and 

 carry the nectaries on their outer-side, (101.) 



19. Spiral vessels and sap-tubes of Marantha lutea Jacqu. 

 (276, 277.) 



PLATE V. 



. 1. Spiral vessels and sap-tubes of Alpinia 7iutans Rose., 

 (276, 277.) 



2. Slits of the epidermis of the leaves of Hyacinthus, with 



the cellular texture lying under them, (310, 311.) 



3. Vasa scalaria of Lycopodium clavatum, with the inner 



bark, (282. 297.) 



4. Tubes with interstitial spaces, and the sap-vessels 



and radiating vessels of the wood of the Fir, (273, 

 293.) 



5. Sporophleum gramineum Nees. Miser. A doubtful 



Inomycus. 



6. Camptosporium glaucum Link. Micros. On the in- 



ner side of an old Oak bark ; (Ehrenb. Sylv. MycoL 

 p. 11.; Nees, Radix Plant Mycetoid. p. 5.) 



7. Eurotium epixylon Link., (Berlin. Mag. 3. s. 31.) 



One of the Gastromyci. 

 Diatoma flabellidata Jiirg. A Bacillaria, according^^ 

 to Nitsch. Transition from the vegetable to the 

 animal kingdom. 

 9* Bacillaria vexillum^ 



