MATERIALS FOE A FLOKA OF FORMOSA, 389 



Hab. Arizan, leg. G. Nakahara, 1906, Nov. 



Near C. hrunnea Thunb. and C. longicrurls Nees, but differs 

 from botli in the shape of nutlets, and especially from the 

 latter, in liaving utiicles with entire margins and quite glabrous 

 scales. 



Carex orthostemon Hayata sp. nov. Culmi ascendentes vel 

 decumbentes 13 cm. longi costato-striati basi foliati gl abri a pice 

 spiciferi, partibus spiciferis 4-5 cm. longis. Folia linearia acumi- 

 nata dcscendento-recuL'vata patentia, laminis 15 cm. longis 

 culmos in longitudinc superantia 4 mm. lata facie plus minus 

 plicata margine integerrima utraque pagine scaberula subglabra 

 subtus elevato-costata, ligulis brevissimis integris. Spicae semper 

 geminatse, altera masculiiia, altera fœminea, geminis semper 2, 

 altero terminali, altero laterali, bracteis secundatim disposi- 

 tis a se 3-3J cm. remotis paralleliter ct simpliciter recurvatis apice 

 descendentibus, inferioribus longioribus cum vaginis 10 cm. longis 

 spicas valde excedentibus, basi vaginiformibus, vaginis 1 cm. 

 longis ore trimcatis, bracteis superioribus brevioribus. Sp:c93 mas- 

 culiiia) breve, fœminea3 longe, pedunculatae ; spicae Ç cylindrica3 

 1^ cm. longa) l-J mm. latas, spicas J in loiigitudine l§-plo superan- 

 tes, pedunculis J cm. longis. Spica? J : cylindricaB 1 cm. longa^, 

 quam ^- broviores, J mm. lata), floribus a se 1 mm. remotis, 

 squamis arete imbricatis vaginosis 3 mm. longis J mm, in 

 scctione, ore obliquis eroso-integris apice rotundato- 

 ol)tusis, dorso obscure costatis. Stamina 3, erecta cum filamentis 

 4 mm. longa, filamentis validiusculis 2 mm. longis complanatis 

 1-nerviis -1- mi]i, latis, auliieris basifixis linearibus rectis fila- 

 mentum in longitudine suba^quantibus vel paullo l)revioribus 

 linearibus apice truncato-obtusis vel plus miims emarginatis 



