MATERIALS FOR A FLORA OF FORMOSA. 389 
Has. Arizan, lee. G. Naxanara, 1906, Nov. 
Near C. brunnea Tuuns. and C. longicruris Nexs, but differs 
from both in the shape of nutlets, and especially from the 
latter, in having utricles with entire margins and quite glabrous 
scales. 
Carex orthostemon Hayara sp. nov. Culmi ascendentes vel 
decumbentes 13 cm. longi costato-striati basi foliati glabri apice 
spiciferi, partibus spiciferis 4-5 cm. longis. Folia linearia acumi- 
nata descendento-recurvata patentia, laminis 15 ecm. longis 
eulmos in Jongitudine superantia 4 mm. lata facie plus minus 
plicata margine integerrima utraque pagine scaberula subglabra 
subtus elevato-costata, ligulis brevissimis integris. Spice semper 
geminate, altera masculina, altera foeminea, geminis semper 2, 
altero terminali, altero laterali, bracteis secundatim disposi- 
tis a se 3-34 cm. remotis paralleliter et simpliciter recurvatis apice 
descendentibus, inferioribus longioribus cum vaginis 10 cm. longis 
spicas valde excedentibus, basi vaginiformibus, vaginis 1 cm. 
longis ore truncatis, bracteis superioribus brevioribus. Spice mas- 
culinze breve, foominese longe, pedunculate; spice ¢ cylindrice 
14 cm. longe 1§ mm. late, spicas § in longitudine 13-plo superan- 
tes, pedunculis $ cm. longis. Spice J: cylindrice 1 cm. longe, 
quam 2 breviores, # mm. late, floribus a se 1 mm. remotis, 
squamis arcte imbricatis vaginosis 3 mm. longis 4 mm. in 
sectione, ore  obliquis eroso-integris — apice rotundato- 
obtusis, dorso obscure costatis. Stamina 3, erecta cum filamentis 
4 mm. longa, filamentis validiusculis 2 mm. longis complanatis 
l-nerviis + mm. latis, antheris basifixis linearibus rectis fila- 
mentum in longitudine subequantibus vel paullo brevioribus 
linearibus apice truncato-obtusis vel plus minus emarginatis 
