TO BOTANY. 101 



Osmunda. 2. Those whose fructifications are on a 

 leaf, and on the under side ; of which there are ten 

 genera, viz. Acrostichum, Polypodium, Hemionitis, 

 Asplenium, Blechnum, Lonchitis, Pteris, Adian- 

 thum, Trichomanes, and Dicksonia. 3. Those whose' 

 fructifications are on the root; of which there are 

 three, viz. Marsilea, Pilularia, and Isoetes. 



ORDER II. Musci, Mosses. The characters of 

 the plants comprehended under this title are, An- 

 therae without Filaments ; the female flowers dis- 

 tinct, and without any pistillum ; and the seeds, 

 consisting only of a naked Corculum, without Co-r 

 tyledon or Tunic. The genera of this order are 

 eleven, and have been distinguished into 1. Those 

 whose antherae have no calyptra, of which there 

 are three, viz. Lycopodium, Porella, and Sphagnum. 

 2. Those whose antherae have a calyptra placed on 

 a distinct "plant from the female floret, of which 

 there are three, viz. Splachnum, Polytrichum, and 

 Mnium. 3. Those furnished with a calyptra, male 

 and female, placed on the same plant, of which 

 there are five, viz. Phascum, Bryum, Hypnum, 

 Fontinalis, and Buxbaumia. 



ORDER III. ALGAE, Flags. The plants compre- 

 hended under this order have their root, stem, and 

 leaf all in one. The characters of the fructification 

 of this order are not yet known, excepting the few 

 descriptions given by Michelius. The genera are 

 thirteen, divided into 1. Such as grow on land, of 

 which there are eight genera, viz. Marchantia, Jun- 

 germannia, Targionia, Anthoceros, Blasia, Lichen, 

 arid Byssus. Those which grow in water ; of which 

 there are four, viz. Tremella, Ulva, Fucus, and 

 Conferva. 



ORDER IV. FUNGI, Mushrooms. The Genera 

 f this order are given by Linnaeus after the method 



G 3 



