140 EUPHORBIACE^, lEuphorhia, 



w 



Div. 2. Flores plerumque Monoid vel dioici. 



Ord. lxxxiv. EMPETRE^. 



1. empetrum. z, 



1. E. nigrum, i. — E. BoL t 375. Ph. Am. 1. p. 93. 



Hab. Near the Sea-coast in Canada. Mickaux ; at Murray Bay, Mrs Sheppard, Newfoundland. Miss 

 JBrenton, Throughout the woody and barren country, abundant, to the Arctic Sea-shore and Islands. 

 Dr Richardson, Sir E, Parry, 



Ord. LXXXV. EUPHORBIACE^. Jms. 



1. EUPHORBIA. Z. 



1. E, hypericifolia (L.) ; glabra v. parce pilosa ramosissima erecto-patula dichotoma, 

 ramis divaricatis, foliis oppositis serratis ovali-oblongis subfalcatis, corymbis foliosis sub- 

 terminalibus. Ph. Am. 2. p. 605. Hook. Ex. Fl.t. 36 (caule subsimplici). 



Hab, Canada {Ph,), to the Saskatchawan. Dr Richardson. Drummond, — These specimens are often 

 hairy, 



2. E, polygonifolia (L.) ; glaberrima diffusa ramosissima gracilis dichotoma, foliis oppo- 

 sitis oblongis subfalcatis obtusis integerrimis, floribus subsolitariis axillaribus, Jacq. Coll. 

 Suppl t. 13. / 3. Ph. Am. 2. p. 606. 



Hab. Canada (Ph.'), to Carlton House Fort on the Saskatchawan. Drummond. On Menzies* Island, 

 and at the Grand Rapids of the Columbia, N, W. America. Douglas. 



3. E. platyphylla. L. — E. stricta. E. BoL t. 333- 



Hab. Lake Huron. Dr Todd, Norway House Fort on the Saskatchawan. Dr Richardson, Plains 

 of the Columbia River. Douglas, Probably introduced from Europe. 



4. E. obtusata (Ph. Am. 2. p. 606); umbella 3-fida bis dichotoma, involucellis ovatis 



obtusiusculis subcordatis, foliis alternis sessilibus spathulatis involucellisque serrulatis 

 glabris, capsulis muricatis. Ph. 



Hab. Near Quebec. Mrs Sheppard. Canada. DrMmmowcf.—- Apparently rare in the British possessions. 

 Only three specimens were gathered by Mr Drummond. The leaves are truly obovato-cuneate. 



5. E. pilosa (L.) ; umbella 5-radiata tri-deinde biradicellata, foliis serrulatis pilosis, 

 imis oblongis obtusiusculis, superioribus lanceolatis, invblucellis ovatis, capsulis asperis 

 pilosis. Reich. Iconogr. Bot. t. 149. Ph. Am, 2. p. 605. 



Hab. Canada. Goldie, (Probably introduced.)— Pursh, however, gives it as an inhabitant of the moun- 

 tMns of Maryland and Virginia. 



6. E. coroUata. L. 



Hab. Canada. Ph. 



Mag 



