150 Rhodora ) [AvavsT 
Northwest has been passing as S. borealis and that it cannot be placed 
with the earlier-described S. longifolia Muhl. 
The American variations of Stellaria borealis here discussed may be 
distinguished as follows. 
Mature calyx 2-3.5 (rarely 4) mm. long: mature but unopened capsule 3-5 
(rarely 5.5) mm. long. 
Leaves ovate, ovate-lanceolate or elliptic-lanceolate, the primary ones 
0.7-2.5 em. long. 
Branches glabrous or essentially so................ 1. S. borealis. 
Branches densely pilose. .. ...................... 2. var. Simcoei. 
Leaves lanceolate to lance-linear, the primary ones 2.5-5.5 em. long. 
Upper leaves long and but slightly reduced, herbaceous throughout; 
flowers few, axillary and terminal........... 3. var. isophylla. 
Upper leaves much reduced to short scarious-margined bracts: flow- 
ers numerous in terminal cymes.............. 4. var. floribunda. 
Mature calyx 4-5.5 mm. long: mature capsule 5-8 mm. long: leaves lanceo- 
late to lance-linear, the primary 2.5-8 em. long. 
Upper leaves long and but slightly reduced, herbaceous throughout: 
flowers few, axillary and terminal........... 5. var. Bongardiana. 
Upper leaves much reduced to short scarious-margined bracts: 
flowers numerous in terminal cymes.............6. var. sitchana. 
y 
1. S. BOREALIS Bigel. Fl. Bost. ed. 2, 182 (1824). S. alpestris a 
Fries, Nov. Fl. Suec. Mant. i. 10 (1832). S. calycantha Bongard, 
Vég. Sitch. 127( 1832); T. & G. Fl. N. A. i. 186 (1838); Macoun, Cat. 
Can. Pl. i. 74 (1883); Robinson in Gray, Syn. Fl. i. 236 (1907); not 
Arenaria calycantha Ledeb. Mém. Acad. Sc. Pétersb. v. 534 (1812). 
S. borealis, var. calycantha Fries, Novit. Fl. Suec. Mant. iii. 196 (1842), 
in part. Alsine borealis Britton, Mem. Torr. Bot. Cl. v. 149 (1894), 
in part.— Wet or cool, often shaded situations; cireumpolar. In 
North America from Greenland and Labrador to Alaska, south to 
Newfoundland, New Hampshire, western Massachusetts, central 
New York, Alberta and Oregon; southward often alpine or subalpine. 
2. Var. Simcoei (Howell), n. comb. Alsine Simcoei Howell, FI. 
N. W. Am. i. 83 (1897).— Alpine and subalpine habitats, Washington 
to Montana and northern California. 
3. Var. isophylla, n. var., caulibus flaccidis 0.3-4 dm. longis; 
foliis lanceolatis vel lanceolato-linearibus omnibus conformibus vel 
subconformibus, primariis 2.5-5.5 cm. longis 2.5-7 mm. latis; floribus 
paucis plerumque terminalibus deinde axillaribus, pedunculis fructi- 
feris divergentibus; calycibus fructiferis 2-4 mm. longis; petalis 
nullis vel inconspicuis; capsulis maturis 3-4.5 (-5) mm. longis. 
Stems flaccid, 0.3-4 dm. long: leaves lanceolate or lance-linear, 
uniform or nearly so; the primary 2.5-5.5 cm. long, 2.5-7 mm. wide: 
flowers few, mostly terminal, becoming axillary; the fruiting peduncles 
divergent; fruiting calyx 2-4 mm. long: petals none or inconspicu- 
ous: mature capsules 3-4.5 (-5) mm. long.— S. borealis of many 
American authors.— Wet places, Labrador to Alaska, south to New- 
foundland, Magdalen Islands, Prince Edward Island, New England, 
