82 V^'y^ 



CERATOPHYLLACEiE. Hornwort Family. 

 CERATOPHYLLUM, L. Hornwort. 



2061. C. DEMERSUM, L. 



Abundant in slow waters. Growing entirely under water. Leaves 

 whorled, sessile, cut into thrice-forked threadlike rigid divisions. 

 Flowers monoecious, axillary and sessile. 



CONIFERS. The Pine Family. 



THUYA, Tourn. Arbor Vitre. 



2962. T. occidentalis, L. (White Cedar.) 

 Swamps and rocky banks. (B.) 



JUNIPERUS, L. Juniper. 



2067. J. Virginiana, L. (Red Cedar. Pencil Cedar.) 



A small tree in this locality. On both sides of the Ottawa river, but 

 not abundant. May 3. 



2068. J. communis, L. (Common Juniper.) 



A low spreading elegant shrub. Dry and sandy fields. May 3. 



2069. J. Sabina, L. var. procumbens, Pursh. (Creeping Savin.) 

 A dark green prostrate shrub. Rocky banks at the Chaudiere, on 



both sides of the river. 

 TAXUS, L. Yew. 



2071. T. baccata, L. var. Canadensis, Gray. (American Yew. 



Ground Hemlock.) 

 T. Canadensis, Willd. 



A low, straggling bush, growing in wet woods. May 4. (B. ) 

 PINUS, L. Pine. 



2072. P. Strobus, L. (White Pine. Weymouth Pine.) 



A magnificent tree and Canada's pride. Leaves 5 in a fascicle. 

 2076. P. resinosa, Aiton. (Red Pine. " Norway Pine.") 



A beautiful tree at all stages of growth. Leaves 2 in a fascicle, 5-6 

 inches long. June 2. 

 2081. P. Banksiana, Lambert. (Jack Pine. Scrub Pine.) 



A small tree of little value. Leaves 2 in a fascicle, 1 1 to 2 inches 

 long. Cones conical, usually curved, smooth and very hard, per- 

 sistent on the branches for several years. Two trees only have 



