-4- 
Pterocladia sp. 24/42; 24755* These tetrasporic and cystccarpic 
materials are well developed, over 2 cm. tall, and pinnately 
branched much as in Pterocladia nana Okam. from southern Japan 
and Formosa. They may be referred provisionally to that 
species, but additional Pterocladia collections from the cen¬ 
tral 'Pacific, such as at Palmyra. Island where one is reported 
from intestinal contents of fishes (Dawson, Aleem and Halstead, 
1355 ) are needed to enable us to interpret more satisfactorily 
• the occurrence of this genus. 
Gelidiella rigidiuscula (Gruncw) J. Feldmann 24737- This richly 
fertile material has the stichldia and branching much as in G. 
acerosa, but is smaller in size; 300 ]i down to 120 ji in the 
ultimate branchlets. This is in agreement with the discussion 
and key in Feldmann ( 1931 ) of G. rigidiuscuTum from Ceylon, 
"for which reproduction is not reported. ,Tne size and habit are 
much like G. hancockii from the Gulf of California, but that 
species has" cylindrical tetrasporangial stichidia on short 
lateral branchlets rather than acute, bulbous, terminal ones as 
in the present material. This disposition seems justified 
awaiting the report of fertile material from Ceylon for com¬ 
parison. 24838 (with some Herpesiphonia secunda ); 24759 
(tetrasporangial); 24832a (seme growing with Dictyosphaeria ); 
24789 . The tetrasporangial stichidia in this collection are 
so abundant as to terminate almost every branch. 
Gelidiopsis intricata (C. Ag.) Vickers 24728; 24357a. 
Jania capillacea Harv. 24857- 
Jania micrarthrodia Lamx. 247ola (cystocarpic); 24737a (with 
Gelidiella rigidiuscula ); 24860. 
Jania tenella Katz. 24826 (in mixture); 24822 (a Questionable 
form with very abundant conceptacles). 
Eypnea esperl Bory? 24730; 24854. These specimens have the tet¬ 
rasporangial sori in part at first unilateral on 'the branches, 
causing some distortion. Later they may fill in all around. 
They are similar in this character to specimens' reported and 
illustrated by Setchell as H. nidiflca J. Ag. from Tahiti. 
/ 
Gracilaria sp. 24866. This may be the plant described as 
Corallopsis reptans Weber van Bosse, from the Kei Islands. 
Lomentaria sp. 24864b. 
Ceramium clarionensis Setch. & Card. 24730b. 
Geranium equisetoides Dawson 24864a. These are in good agree¬ 
ment with Pacific Mexican specimens. 
Ceramium graclllimum var. byssoideum (Harv.) G. Mazoyer 
2476Va~(with Caulerpa racemose v. turbinata ); 24730a ( 
lax form); 245o4; 253*4Jo. 
24716a. 
a very 
• I- • V 
