( 269 ) 
followed by an uncorticated 2-4-celled sry which is not divided 
into nodes and internodes, the lowest of the uncorticated cells 
below is corticated; the anterior bracteoles very rarely shorter than, 
usually exceeding, more often greatly exceeding the sporocarps, 
I.1-2.4 mm. long, 0.1-0.32 mm. wide, the longer usually also the 
wider, posterior bracteoles 0.12-0. mm. long, 0.06-0.1 
0.96-1.1 mm. long, 0.54-0.6 mm. wide; odspores 0.56-0.63 m 
long, 0.39-0.44 mm. wide, with 10-13 striae; whorl of crown-cells 
0.15-0.19 mm. high, 0.25-0.3 mm. wide at base, the individual 
cells ee eae or suborbicular, truncate at the apex, usually 
slightly spreadin 
Type collected a a saline marsh, fed by water from a sulphurous 
spring, ae Beach, Great Salt Lake, Utah, by P. A. Rydberg 
and E. C. Carlton, zo. 6979, July 15, 1905; in the herbarium of 
ce New York Botanical Garden 
Distribution: Gaspé; N. W. Canada (without definite locality) 
to Mexico. Some Ontario collections are doubtfully referred here, 
but may barely possibly be the true C. crassicaulis. 
Tlustration: Woods, Flor. Neb. loc. czt. 
15. CHARA vuLcaRris L. a Pl. 1156. «1753 
C. foetida A. Br. Ann. Sci. Nat. II. 1: 354. 1834. 
Monoecious: of varied habit, 4-40 cm. high, bright-, pale-, or 
wnish-green, lightly or somewhat heavily incrusted, as a ru 
exceptionally fetid even for the genus; stems 0.5-1.2 mm. in diam- 
eter, doubly corticated, the secondary cortical rows somewhat wider 
and more prominent than the primary, the cortical node-cells form- 
ing small ee or eat) rarely short spine-cells : stipulodes forming 
e whorl at each node, but very slightly ieee usually 
inconspicuous, — 0.1-0.15 mm. long, less often rea ing 0.2 
mm., those in the upper whorl ease slightly longer than oe in the 
lo ower: leaves 6-11 in a whorl, 0.8-3 cm. long, containing 1-4, 
ae 3 or 4, corticated internodes, er an uncorticated 1-5-, usually 
r 4-celled leaf-tip, the leaves in the lowest whorl and sometim mes 
Sewioc uncorticated, but then without differentiation into nodes 
and internodes ; antheridia, odgoni a, and leaflets borne only where 
at least the preceding internode is corti icated; the anterior bracteoles 
most frequently 4, sometimes shorter than the sporocarps, but usually 
very much longer, 0.8-4.5 mm. long, the posterior very small, ovate 
or orbicular, o.o8—o.11 mm. in length and nearly or quite of equal 
