FARWELL: CORRECT NAME FOR HEMLOCK SPRUCE 629 
Tsuga americana (Mill.) nov. comb. 
Pinus balsamea L. Sp. Pl. Ed. 1, 1002. 1753; Ed. 2, 1421. 
1763 (as to synonyms). 
Abies minor, pectinatis foliis, Virginiana, conis parvis subro- 
tundis, Pluk. Alm. Mill. Gard. Dict. Ed. 7, No. 3. 1759. 
Pinus canadensis L. Sp. Pl. Ed. 2, 1421. 1763 (as to synonym 
of Gronovius). 
Abies americana Mill. Gard. Dict. Ed. 8, No. 6. 1768. 
| Pinus americana Du Roi, Obs. Bot. 39. 1771. 
Abies canadensis Michx. Fl. Bor. Am. 2: 206. 1803 (not of 
Miller, 1768). 
Picea canadensis Link, Linnaea 15: 524. I84I1. 
; Tsuga canadensis Carr. Trait. Conif. 189. 1855. 
I wish here to thank Mr. A. Gepp, of the British Museum . 
(Natural History), and Miss Mary A. Day, of the Gray Herbarium, 
most heartily for many valuable notes and kind assistance. 
BOTANICAL LABORATORY, 
ParKE, Davis & COMPANY, 
DETROIT, MICHIGAN 
