(278 ) 
a single whorl at each node, mostly 6-9 mm. but becoming 12 mm 
long, 0.44-0.53 mm. wi e, about twice the number of the leaves, the 
0.6-0.72 mm. long, 0.32—-0.44 mm. wide, with 5-7 prominent striae. 
Type locality: Lakeside, San Diego County, California. 
Distribution : Only known from type collection, and a species of 
very doubtful validity. Many of the measurements relied upon by 
Dr. Allen to separate it from C. Hornemannii were erroneous, and 
if further collections should show that the narrowness of the fruit is 
due to immaturity, it must be reduced to the status of arather luxu- 
riant form. The fruit of both species is insufficiently known and 
for that of C. Hornemannii Dr. Allen may have relied upon Braun’s 
figure, which does not resemble any fruit on plants of this species 
in the herbarium of the New York Botanical Garden. Braun de- 
scribes the odspore of C. Hornemannii as i0-striate. : 
Illustrations: Bull. Torrey Club Zoc. ct. 
Exsiccatae: Allen, Char. Am. Exsicc. ste num. 
27. CHARA LEPTOSPERMA A. Br. Fragm. Monogr. Char. 184. J. 
4. ff. 93-96. 1882 
Monoecious: resembling in habit C. fragilis brevifolia A. B 
golden-green to occasionally dark-green, or greenish-brown, aiohey 
incrusted, not very fragile; stems very slightly twisted, 0.45-0.5 
mm. in iameter, or the lowest internodes attain ning a maximum of 
of the stem, primary and secondary cells equally wide and promi- 
nent, the secondary cells with horizontal terminal walls; spine-cells 
small but distinct, fpdeed aca stipulodes forming a double whorl 
at each node, those in the lower whorl as long as the upper, 0.35- 
mm. long, about 0.06 mm. wide, less pointed than the leaf- 
lets: leaf-whorls distant, the ee nearly upright, but eee 
incurved, 7-9 in whorl, about 1 cm. long, containing 6-7 
doubly corticated erodes. of about equal le ength, 3, or 4 of them 
fertile, and an uncorticated conical terminal cell; leaflets present at 
all nodes, but at sterile nodes very short and inconspicuous, almost 
upright, ‘papilla- like, moderately pointed, the two anterior the 
longer, as bracteoles the two anterior about same length as the 
sporocarps, somewhat longer than the two lateral, moderately 
pointed, 0.08-o.11 mm. in width: aang about o 
diameter ; sporocarps slender, 0.83-0.85 mm. long, o. a 37 mim. 
wide; odspores golden-brown and ae 0.55-0.6 mm. long, 
0.3 mm. wide, with 11 or 12 striae; whorl of crown-cells 0.18— 
0.19 mm. high, and of equal width, the individual cells one 
connivent. 
