124 ^ COMMON CANADIAN WILD PLANTS. 



ORDER LXXVm. SANTALA'CE.aS. (SANDALWOOD F.) 



Low herbaceous or partly woody plants (with us) . 

 flowers, these greenish-White, in terminal or axillai 

 clusters. Calyx bell-shaped or urn-shaped, 4-5-cleft, adherent to 

 the 1-eelled ovary, lined with a 5-lobed disk, the stamens on the 

 edge of the latter between its lobes and , 

 calyx, to which the anthers are ^attached b;/ a tuft of fin 

 Fruit nut-like, crowned with the persistent calyx-lobes. 

 COMAN'DRA, Nutt BASTAHD TOAD-FLAX. 



0. limbella'ta, Nutt. Stem 8-1 inches high, leafy. L<;av<-s 

 oblong, pale green, an inch long. Flower-clusters at the summit 

 of the stem. Calyx-tube prolonged and forming a neck to the 

 fruit. Style slender. Dry soil. 



ORDER LXXIX. SAXTRURA'CEJE. (LIZAKD'S-TAIL F.) 

 A small family having, with us, but a single representative: 



SAURU'RUS, L. LlZABD'S-TAIL. 



S. cer'nUUS, L. A swamp herb, with jointed branching stem, 

 2 feet high. Leaves petioled, heart-shaped, with convergi i . 

 Flowers white, in a dense terminal spike, nodding at ti; 

 each flower with a lanceolate bract. Flowers perfect, but entirely 

 destitute of calyx and corolla. Stamens usually 6 or 7, with lung 

 slender white filaments. Carpels 3 or 4, slightly united at the 

 base. 



OKDEnLXXX. CERATOPHYLLA'CEJB. (HOKXWOKTF.) 

 Represented, with us, by a single species. 



CERATOPHYIi'IiUM, L. HOKNWORT. 



C. demer'sum, L. An aquatic herb, with whorled finely 

 dissected leaves, and minute axillary sessile im- 

 withoutcalyx or corolla, but with an 8-12-cleft involr 

 inate flowers of 12-24 stamens with lar 

 flowers of a single 1 -celled ovary, fonii 1 with 



ider style. K 

 ponds and slow streams. 



