119 CLASS XXII. ORDER L 



Order XVI. Monadelphia. 



JuNiPERus. Siaminate flowers — ament ovate : 

 calyx a scale : stamens 3. Pistillate flowers— ca» 

 lyx 3-parted : petals 3 : styles 3 : berry 3-seeded, 

 consisting of the three unequal tubercles of the ca- 

 lyx. (Nut bony, 1 -celled with balsamy glands at the 

 base.) 51. 100 — virginiana, {red cedar,) leaves uni- 

 ted by their bases in threes. ^2 ^-^communisy (juni- 

 per) leaves ternate (or three ranked) spreading mu- 

 cronate longer than the hevvy—sabinaj (savin) leaves 

 opposite obtuse imbricate 4-ways. ^ . 



Taxus. Staminate flowers — calyx about 4-bud- 

 leaves : corol : stamens many, anthers peltate, 8- 

 cleft> Pistillate flowers — style : receptacle acorn- 

 cupform ; nut ovate. 51. \00-~-canadensi8, (yew) 

 leaves linear pointing 2-ways, margin reyolute. j*^. 



Polygamous Plants. 



Some authors still retain the class of Polygamia,' 

 but we, following Persoon, have distributed the ge- 

 nera belonging to this class as follows I'—^ndrofio- 

 gon to class 3, order 2. Holcus to 3, 2. Fat-ax 

 to 5, 2. Atrifilcx to 5, 2. Celtis to 5, 2. Veratrum 

 to 6, 3. Melantkmm to 6, 3. Acer to 8, 1. Mimo- 

 sa to 16, 10. Parietaria to 20, 4. Fraxinus tQ 21, 

 2. A^'yssa to 21, 5. Gleditschia to 21, 13. 



CLASS XXII. CRYPTOGAMTA. 



Order I. Filices. 



Ferns are annulated, when each capsule has a 

 kind of chain passing around it at about right 

 angles with the suture. When the fruit is ripe 

 the chain in straitening opens the capsule ; it being 

 attached by its ends to two contiguous edges of it. 



