£24 MONOEGTA. MONADELPHTA. 



766. THUJA. L, (Arbor vitse Tree.) 



Masc. Ament \\\\hv\c2L\^(\, Calix consisting 

 of scales. Corolla none. Anthers 4. Fem. 

 Anient strobilaceous. Scales of the calix £- 

 flowered. Corolla none. JVut 1, surrouiidcd 

 with an alated margin. 



Mostly small trees; branchlcts angr.lar or compressed, 

 leaves squamiiorm, and imbricated, opposite; ament ter- 

 minal; cone terminal or axillary, even or squarrose. 



Species, 1. T. occu/<?;i^«/i*, (called White Cedar.) In- 

 digenous also to Siberia. 



A very small and widely dispersed genus indigenous to 

 China, Japan, Baibary, Madagascar and the Cape of Good 

 Hope. 



767. CUPRESSUS. L, (Cypress.) 



Masc. Ament ovate, imbricated. Calix con- 

 sisting of peltate scales. Corolla none. Anthers 

 4, sessile. Fem. Ament strobilaceous. Calix 

 peltate scales. Corolla none. Germs 4 to 8 un- 

 der each scale of the calix. JS'*uts angular, com- 

 pressed. 



Principally large trees with alternate branches; leaves 

 mostly squaniiform ^nd oppositely imbricated; in C. /listi- 

 cha (Shubertia, of Mirbell) deciduous; aments terminal; 

 cones terminal or axillary. 



Species. C. 1. thyoides. (White Cedar) 2. disticha. 

 Leaves distich al, fiat and deciduous. JHab. From Dela- 

 ware to the Missisippi, and ascending that river to the 

 confluence of the Ohio. Obs. Aments panicuiated, pen- 

 dulous. /3. * imbricaria. Leaves subulate, partly imbri- 

 cated in 4 ranks, deciduous; nuts larger, chesnut colour- 

 ed — Found from Florida to North Carolina, in swamps 

 and ponds more remote from the sea. — A smaller tree than 

 the preceding, often producing fruit at the height of 3 

 feet from the ground. 



A small genus indigenous to Europe, India, Japan, and 

 the Cape of Good Hope. 



76S. ACALYPHA. L. 



Masc Calix 5 or 4 -parted. Corolla none. 



