251 
Observations. The specimen was named by Stephani Lo- 
phocolea humilis, Hook. & Tayl. from which it differsin shape of 
leaves, presence of teeth on them and other characters. 
Lophocolea subretusa, Pearson, sp. nov. Dioicous. Medium 
size; pale brown in colour; loosely caespitose; stem sparingly 
ramose, branches horizontal or slightly ascending, lateral, cross- 
section of stem broader than high, antical plane, postical convex, 
40 to 45 cortical cells, similar in size or slightly smaller than inner 
which are large and hyaline, with distiact trigones, 12 x 12 cells 
in diameter. Leaves horizontally inserted, alternate, imbricate, 
rotund-quadrate or broadly oval-quadrate, longer than broad, 
entire or retuse, antical (lower) margin very slightly decurrent, 
postical (upper) margin covering stem, cells between smallish 
and medium size, quadrate, 4-5 and 6-sided, walls thick, trigones 
indistinct or wanting. Underleaves narrowly connate with leaf 
on one side, trifid or quadrifid to below the middle, often with one 
or two smaller teeth, segments lanceolate-acuminate. 
No 6 or ? seen. 
Dimensions. Stem 2 cm. long; with leaves 3 mm. wide; 
diameter 0-3 mm.; leaves 1-25 mm. X 1: mm., 1-1 mm. X I” 
mm., l1* mm. X 0-8 mm.,0-9 mm. x 0-8 mm.; cells 0:03 mm. ; 
underleaves 0-4mm. x 0*3mm.; segments 0-2 mm., 0°35 mm. x 
0-35 mm., segments 0-2 mm. 
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- Description of Text figures. Fig. 1. Portion of stem, postical view ( x 8). 
2. Cross-section of stem (x 12). 5. Leaves (X 12). 6. Leaf (x 25). 
7, Portion of leaf (x 130). 9, 10. Underleaves (x 25). : 
