156 (iK(»i,o(iirAi, sruvKv ok oanada. 



(711>.) T. parviflora, ll<'..k. Kl. 1., 2'A\K 



Lifhni>hrtiii>iui pai-i'lflora, 'Suit. Torr. i^i: (iniy, FI. I., Wl. 



\'iM-> :il»nn<l:iiit "II Vnncduvor Island in llu- vicinity <»l' Vicloiia. 

 (^Miicoun.) On llio Lowrr l-'iasoi- ami noai' Yale, li.C {Hill.) 



180. TIARELLA, Linn. (FALSE MITRE WORT.) 



(T20.) T. cordifolia, Linn. 



Rifh shady woods tuul ravines. Rare in woods, Pictou, N.S. {Mc- 

 Kay.') Truro. N.S. {Lhuhay.) I?are in llie norlliciii connlics, com- 

 mon aliiHit Fn'doricton, N.B. {Fowlers Cat.) Common in rich wot)dH 

 tlu-ouiihoul Ontai-io and (^hiebec. 



(72L) T. unifoliata, Hook. Fl. I., 238. 



Hcuchcra lomjlpdala, Mo^. Hook. Fl. I., 237. 



North-west coast of America. {De Catidolle.) Ileiglit of Land in 

 the Rocky Mountains, near the source of the Columbia, and at Poi-tage 

 River. {Drummond.) Vancouver Island, around Victoria. In woods 

 nortli of Fort St. James, Stuart Lake, B.C. {Maeoun.) Telegraph Trail 

 near the Blackwater River ; and at McLeod's Lake, B.C. ; S. Kootanic 

 Pass, Rocky ^Mountains, Lat. 49°. {Dawso7i.) 



(722.) T. trifoliata, Linn. 



T. lachuuta, Hook. Fl. L, 235). 



North-west coast of America. {Menzies.) Common on the coast, 

 and in the Rocky Mountains on the west side of the ridge. {Douglas.) 

 Height of Land, near a large glacier, upon the Rocky Mountains. 

 {Dnimmond.) Queen Charlotte Islands ; and Cascade Mountains, above 

 Mount Hope. {Dawson.) Vancouver Island, near Victoria. {Maeoun.) 

 Sitka and Alaskan coast. {Rothr. Alash.) 



181. MITELLA, Tourn. (MITRE WORT.) 



(723.) M. diphylla, Linn. 



Rich woods and banks. Riviere du Loup, Q- {Thomas.) Vicinity 

 of Quebec, and cemetery of St. Charles. {Brunei.) Abundant about 

 Montreal. {McGill Coll. Herb.) Very common in Ontario, especially 

 in the lake and river counties. 



