186 Rhodora [SEPTEMBER 
TABLE III—continued. 
Group III (Plants which, south of the St. Lawrence, 
are controlled in their Distribution by a Preponder- 
ance of Magnesium in the Soil.) 
| Statice sibirica (and perhaps others) 
Stations, and Rocks of the Region from which Magnesian EE 28 $ 
Soils could be derived. = BIS E 
CERERI 
Falda 
Coal River, Newfoundland (serpentine D +/+} + 
Hopedale Islands, Labrador (trap?)  . ++) [t| 
Paul’s Island, Labrador (gabbro, pyroxene 2! + Tu 
Nain, Labrador (gabbro *) t +|+ 
Kaumajet Mts., Okkak to Cape Mugford, ‘Labrador (basalt, 
lavas‘) . +|/+-| + 
Torngat Mts., Hebron to Nachvak Bay, Labrador (black 
diorite, soapstone 5) i+ 
Ungava Bay, Cape Chudleigh, ‘Labrador (dolomite %) -+ 
Cape Prince of Wales and Ashe's Inlet, or North Bluff, Hud- 
son Strait (dolomite, black mica, soapstone’). . . . . Hs Jis 
Nottingham Island, Hudson Strait (dolomite $) — . . . . T 
1 On Bonne Bay, “there rises to a height of between 2000 and 3000 feet, a mountain of 
serpentine."— Logan, Geol. Can. 293 (1863). These serpentine mountains, as shown 
on the geological map of Canada, are greatly developed southward to Port au Port Bay, 
Coal River has its origin upon one of them, and its lower waters flow through another 
of the serpentine areas. 
2'' Trap dykes were always in the view [Islands off Hopedale]."— Daly, Bull. Mus. 
Comp. Zool., Harvard, Geol. Ser. v. no. 5, p. 216 (1902). 
3 "The ‘Brave’ was headed for Nain, passing through a long tickle walled in on either 
side by high cliffs of massive gabbro,"— Daly, 1. c. 217. “When at Nain I obtained 
specimens of... .paulite, a variety of pyroxene or hypersthene [a silicate of magnesium], 
which....was said to have been brought frorn Paul's Island,"— Bell, Geol. & Nat. Hist. 
Surv. Can., Rep. for 1882-83-84, p. 12 DD (1884). 
1''The basalt [containing crysolite, a silicate of magnesium] agglomerate, which is 
also a significant part of the stratified series, is typical.’’— Daly, l. c. 221. 
“Ogua’lik, Cape Mugford, the Bishop's Mitre are all part of an extensive area of slates, 
sandstones, conglomerates, limestones, and, much surpassing these in thickness, lava 
flows, volcanic tufts, and breccias."— Daly, Bull. Geogr. Soc. Phila. iii. 208 (1902). 
5“Some dykes of close-grained, almost black diorite [black diorite usually contains 
much augite, a silicate of magnesium], also cut the gneiss in the vicinity of Skynner's 
Cove....I was informed that the Eskimo obtained a kind of soapstone [a hydrous 
silicate of magnesium] for making their pots. in the vicinity of Skynner's Cove.... 
dykes [of black-looking rock] were seen all along, cutting the face of the mountain range.” 
— Bell, 1. c. 15 DD. 
6** A short distance south of the station (at Port Burwell, Cape Chudleigh], a vein.... 
oecurs in the gneiss....It consists of light grey dolomite [magnesian limestone] and 
white quartz" — Bell, l. c. 18 DD. 
