HYDROCHARIDE^E. 341 



. 5. TAXUS. Linn. 



Flowers [dioecious or monoecious, surrounded with many 

 scales. STERILE FL. Stamens 8 10 ; filaments monadel- 

 phous. Anthers peltate, 6 8-celled ; cells dehiscent be- 

 neath. FERTILE FL. Style none. Stigma concave. Drupe 

 fleshy, open at the extremity. Nut 1-seeded. 



Dioecia. Monadelpliia. 



T. canadensis JVilld. : leaves linear, distichous, revolute on the mar- 

 gin ; receptacle of the sterile flower globose. T. baccata minor Mich. 

 HAB. Moist rocky places. Can. and N. S. March, April. ^, 

 Shrub 4 8 feet high. Leaves resembling those of Pinus cana- 

 densis, but larger. Fruit having the appearance of a berry. 



Yew. 



CLASS II. ENDOGEN.E OR MONOCOTYLEDO- 

 NOUS PLANTS. 



Trunk usually cylindrical, with no perceptible distinc- 

 tion of bark, wood and' pith, increasing in diameter by 

 the addition of new matter to the centre. Leaves fre- 

 quently sheathing at the base and not readily separating 

 from the stem by an articulation, mostly alternate, with 

 parallel simple nerves and minute transverse veins. Em- 

 bryo with but one cotyledon ; if with two, then the addi- 

 tional one is imperfect and alternate with the other ; ra- 

 dicle usually enclosed within the substance of the embryo, 

 through which it bursts when germinating. 



SUBCLASS I. PETALOIDEJE. Land. 



Stamens and pistils naked or covered by verticillate floral 

 envelopes. 



ORDER CXV. HYDROCHARIDE.E. Jtus. Und. 



Flowers spathaceous, monoclinous or diclinous. Perianth 

 with the limb 6-parted, the 3-outer segments herbaceous ; the 

 3 inner petaloid. Stamens epiginous, definite or indefinite. 

 Ovary solitary, 1 or many-celled ; ovules indefinite, often pa- 



29* 



