OF MT. KINABALU AND BRITISH NORTH BORNEO. 237 
Another distinet form of Mierocoleus was associated with this with only 2 
to 3 filaments in the sheath, which latter was narrower, 16-20 u in diameter, 
filaments not more than 3⁄4 broad and usually 2-3 (sometimes 4) times longer 
than broad : it may represent an earlier stage. 
Distrib, Cosmopolitan. 
*MICROCOLEUS VAGINATUS, var. TENUIOR, West, var. nov. — Vaginis tricho- 
matibus regulariter angustioribus quam in forma typica, trich. 2°5-3 lat., 
3-4 p longit. 
Kinabalu, summit plateau, on rock, Feb. 4213. 
*Dasvaraa AMORPHA, Berk. Eng. Bot. t. 2941 (1848). 
Tenom, 2000', on hill padi fields. Jan. 2867. Kinabalu, summit 
plateau, 13,000, on rock. Feb. 4213. 
Distrib. England, Ceylon, United States. 
ANABÆNA MINUTA, Borzi, Alghe della Papuasia, 40. 
Tenom, 700', in puddle, after heavy rain. Jan. 2839. 2-3 broad. 
Sarawak, Matang, 700’, under waterfall. March. 44044. <A form not more 
than 1*6 u broad. 
Distrib. New Guinea. 
ANAB-ENA VARIABILIS, Kütz. Phye. gen. 210. 
Sarawak, Matang, 1000’, on damp wood. March. 4406. Up to 654 
broad. 
Distrib. Europe, India, N. & 8. America, Sandwich Islands. 
MICROCHETE TENUISsIMA, W. § (z. S. West, in Journ. Linn, Soc., Bot. xxx. * 
(1894) 269, t. 14. ff. 7-11. 
Sarawak, Matang, 1000', on damp wood. March. 4406. 44 broad. 
Distrib. Ireland ; Dominica. 
MICROCHETE ROBUSTA, Setch. & Gardn. Alg. N.W. Amer. in Univ. Cal. 
Pub. 1903, 194. 
Sarawak, Matang, 1000’, on damp wood. March. 4406. 18-204 broad, 
cells 12-12°5 u broad, subquadrate. 
Distrib. “ Seattle, Wash.," N. America. 
PLECTONEMA ORIENTALE, West, sp. nov. 
P. filis intricatis, pseudo-ramis, vaginis luteo-aureis et crassis, 16-20 p lat., 
trichomatibus æruginosis et lutescentibus, cellulis subquadratis, contentu 
eranuloso, 12-13 y lat. | 
Hab. Tenom, 700', on bark and on * rentis." Jan. 2851. 
