SANTALACEiE, EUPHORBIACE-flE. 195 



deflexed, silvery outside, pale -yellow within, fragrant. 

 N.W. 



9. SHEPHERD'IA, Nutt. SHF.PHKRDIA. 



S. Canadensis, Nutt. Calyx in sterile flowers 4-parted. 

 Stamens 8. Calyx in fertile flowers urn-shaped, 4-parted. 

 Berries yellow. Branchlets brown - scurfy. Leaves oppo- 

 site, entire, ovate, green above, silvery-scurfy beneath, the 

 small flowers in their axils. Gravelly banks of streams and 

 lakes. 



ORDER LXXXII. SANTALA'CE^l. (SANDALWOOD F.) 



Low herbaceous or partly woody plants (with us) with 

 perfect flowers, these greenish-white, in terminal or axillary 

 corymbose clusters. Calyx bell-shaped or urn-shaped, 4-5- 

 cleft, adherent to the 1-celled ovary, lined with a 5-lobed 

 disk, the stamens on the edge of the latter between its lobes 

 and opposite the lobes of the calyx, to which the anthers are 

 attached by a tuft of fine hairs. Fruit nut-like, crowned 

 with the persistent calyx-lobes. 



co.ll.l.VDlt.4, Nutt. BASTARD TOAD-FLAX. 



1. C. umbella'ta, Nutt. Stem 8-10 inches high, leafy. 

 Leaves oblong, pale-green, an inch long. Flower-clusters 

 at the summit of the stem. Calyx-tube prolonged and form- 

 ing a neck to the fruit. Style slender. Dry soil. 



2. C. liv'ida, Richardson. Peduncles axillary, slender, 

 several-flowered. Leaves oval, alternate, almost sessile. 

 Fruit pulpy when ripe, red. Boggy barrens near the Atl. 

 coast, and N.W. 



3. C. pal'lida, A. DC. Leaves glaucous, linear to nar- 

 rowly lanceolate, acute. Fruit ovoid, sessile or on short 

 stout pedicels. N.W. 



ORDER LXXXIII. EUPHORBIA' CEJE. (SPURGE F.) 



Plants with milky juice and monoecious flowers, repre- 

 sented in Canada chiefly by the two following genera : 



