CAISTADIAÎ^ EAlSrUNCULACE.ÏÎ. 27 



& FI., p. 204. Hook. & Thoms., FI. ludica, I., p. 18. Eng. Bot., t. 262. Hook., Bab., 

 and other British authors. Reichenbach, Ic. Fl. aerm., HI., 26. Fries, Summa Veg. 

 Scaudinav., p. 27. Lawsou, Raiiuuc. Canad., p. 38. Watsou, Bibl. Index., p. 25. Maco^^n, 

 Cat., No. 23. 



T. microphyllum et marginalwm. Royle, HI., Walp. Rep., I., 24-25. 



T. acaule. Camb., Walp. Rep., I., 12, n. 31. Ann., IV., p. 11 



First recorded as Canadian on authority of Kalin ; subsequently reported from the 

 Island of Anticosti, in the Grulf of St. Lawrence, by Pursh ; not noticed by Hooker in Flora 

 ■ Boreali- Americana. Again collected on Anticosti by Mr. Verrill, rare and not in flower, 

 1861 ; more recently by Macoun, on Jupiter River, Anticosti, A^ery abundant in river val- 

 leys, but not on high grounds. — Herb. Survey Canada. Newfoundland. — Herb. Banks, DC. 

 Newfoundland, 186(5-8.— H. Reeks (Jour. Bot., IX., p. 16). Greenland.— iîorae«ia?i«. Lyn- 

 gemarken. Disco Island, M^est coast of Greenland. 186*7. — Brown Camp. Plentiful at sea 

 level amongst Luzula spadicea, at Englishman Bay, Disco, to the west of Lievely, lat. 

 69' lô'.—Hart, Brit. Polar. Exped., 1875-6. Kotzebue Sound and Port Clarence.— iïoi!/wocA'. 

 Rocky Moirntains of the South. — Dr. Furry. Iceland. — -Hooker, Lindsay, Sfc. Orkney, 500 

 feet. — Bosirell-Syiue. Scotland, Scandinavia, &c., Wales. — Sir J. E. Smith. Pyrenees. — DC. 

 Lapland. — Linnmus. Himalaya and Thibet, above 10,000 feet. — Hook. fil. 3ç Thomson, Fl. 

 Ind., Walpcrs Annales, IV., p. 11. The stronghold of this species is in Northern Europe, 

 where it occurs chiefly on the mountains, descending to the sea level as it approaches the 

 Arctic Circle, and extending eastward through East Siberia. Novaya Zemlya. — Baer and 

 Middff. In Britain it extends from 53° to 61° N. lat., its southern limits being Yorkshire 

 and Wales, on mountains, descending to the coast level in the North Highlands, and ascend- 

 ing to 3900 feet in the East Highlands ; range of mean annual temperature 46" — 34°. — 

 H. C. Watson, C'ybele Brit., I., p. Tl, who observes : " This is truly an Arctic species, and 

 the specific name should be construed with reference to the climate, and not as indicating 

 any predilection for the Alps, as seems to be implied by those botanists who write the 

 name with an initial capital, — Alpinum." 



Plant 12" to 18 inches high, with shortly petioled ternately compound leaves, which 

 are glabrous, glaucous on the lower surface. Flowers hermaphrodite, filaments clavate. 

 Carpels large, pale, thin and pod-like, stipitate, with embossed veins but no furrows. 



Tlialictrum sparsiflorum. Turcz. in Index Sem. Petropol. Ann. Sc. Nat. ser. 2, iv, p. 332. 

 Gray, PI. Wright. Smithsonian Contributions, V. p. 8. Watson, Bibl. Index, I., p. 26. 

 Macoun, Cat. No. 24. 



T. clavatum. Hook., Fl. Bor.-Am. I., p. 2, excl. syn. Torr & Gr., Fl. N. A., I., p. 3*7. 

 Walpers, Ann. Bot., IV-, p. 10. Lawson, Rauunc. Canad., p. 33. 



Not T. clavatum of DeCandoUe's Systema, Gray's Manual, and Chapman's Fl. So. U. S., 

 which is a southern plant. 



T. Richardsonii Gray, Am. Jour. Sc. XLIL, p. 1*7. 



Found only on Portage La Loche, a height of land composed of sand hills, lying in 

 lat. 5*7°, and separating the waters flowing to Hudson Bay from those falling into tht^ 



