(297 ) 
then often nearly equal on all sides of the leaf, when of greater 
length the anterior usually much exceeding the posterior, as brac 
teoles not more than two pairs well developed, often only one pair, 
0.96-1.26 mm. long, 0.5-0.68 mm. wide; odspores 0.66-0.91 mm 
long, 0.42-0.6 mm ayes with 12-15 striae; whorl of crown-cells 
12-0.2 26 m e at base, the individual 
cells lanceolate, ae at the apex, spreading, often very widely. 
Type locality: Lakes in the lowlands of the Mississippi, Illinois, 
opposite St. Louis, Missouri 
Distribution: Massachusetts and Alabama to Minnesota and 
Mexico; also reported from South America. 
Illustration: Woods, Flor. Neb. 1: pZ. 36. 
Exsiccatae: Allen, Char. Am. Exsicc. 7, 25, 39. 
50. Chara compacta sp. nov. 
C. seguncta Allen, Bull. Torrey Club 21: 526. 18 
pene es but the antheridia and odgonia at diferent leaf- 
nodes: 15-20 cm. high, slightly incrusted ; stem 0.75— in 
pean as very regularly triply corticated; spine-cells feet qaanee 
on lower internodes, more frequent above, 0.23-0.37 mm. long: 
stipulodes eornine. a double whorl at each node, those in the upper 
whorl 0.92-1.5 mm. long, usually not quite reaching the top of the 
iss basal internodes of the leaves, stipulodes of the lower ae 
—o.5 mm. long: leaves 12-14 in a whorl, 1.5-2.2 ong, 
ae 12-14 internodes, all of ns are triply corticated 
except the basal one and the apex, which are uncorticated, the un- 
corticated basal internode barrel- eae o.7-0.88 mm. long ; leaflets 
at the sterile nodes 0.16-0.24 mm. long, the anterior and posterior 
usually nearly equal, as bracteoles two pairs usually well developed, 
1.12 mm. long, the latter o.2-0.48 mm. long, all shorter than the 
sporocarps antheridia 0.36-0.4 mm. in diameter; sporocarps 1.12~ 
28 mm. long, 0.6-0.77 mm. wide, the envelope unusually thick; 
odspore 0 -73-0.77 mm. long, 0.48-0.55 mm. wide, with 10-12 very 
conspicuous striae ; whorl es crown-cells 0.21-0.25 mm. high, o. 3- 
0.32 mm. wide at base, the individual cells ovate, beaked. 
Type collected in Lake Saratoga, New York, by T. F. Allen, 
August, 1894; in the herbarium of the New York Botanical 
Garden. 
Distribution: Lakes Champlain and Saratoga. 
Exsiccatae: Allen, Char. Am. Exsicc. as C. sejuncta, from both 
the localities named, but without number. 
