396 MR. C. B. CLARKE ON 
ima vix mucronata.  Utrieuli longi 7 mm., castanei, superne 
teretes, anguste cylindrici, glabri. Seta utriculo 12 longior, 
viridis, quam in ceteris Unciniis multo debilior, filiformis, apice 
infra uncum minutissimum sepe flexuosa incurva aut emarcida 
(ut a Boott depicta). 
Fretum Magelhan (Capt. King; Capt. Wilkes). 
16: U. LECHLERIANA (Steud.! Syn. Cyper. p. 244): culmis 
elongatis, robustioribus ; foliis elongatis, planis; spicis oblongis; 
utriculis ellipticis subacutis, superne subscabris in margine setu- 
losis, quam bracte: vix longioribus.—-Beck. in Linnea, xli. p. 343. 
Culmi 4 dm., foliati, vix trigoni. Folia culmos superantia, 
lata 5 mm. Spies longe 5 cm., late 7 mm. Bractew longo 
7 mm., inferiores sensim majores ac latiores, dorso virides, 
l-nervie aut inferiores plicate, subplurinervie, in marginibus 
lete castane:, apice acute, ima vix mucronata (aut fide Bockeler 
subfoliaceo-prolongata). Utriculi longi 5—7 mm., stipitati, fusce- 
scenti-virides, parce aut obscure pilose. Seta utriculo subduplo 
longior. 
Fretum Magelhan (Zechler, n. 1285). 
17. U. mAcRoPHYLLA (Steud. Syn. Cyper. p. 244): culmis 
elongatis, robustioribus; foliis elongatis, planis; spica breviter 
oblonga, densissima ; bracteis late ellipticis, in dorso plurinerviis, 
in margine late scariosis, quam utriculi glabri longioribus.—Back. 
in Linnea, xli. p. 343.—U. phalaroides, Boott MS., non Nees. 
Culmi 6 dm., foliati, trigoni. Folia cum culmo fere :quilonga, 
lata 4 mm. Spice longe 3 cm., late 11 em. (iis Phalaridis 
canariensis similes), stramineo-virides, lucide. ^ Bractese longs 
8 mm.,in margine mox lacere. Utriculi late oblongi, subtrigoni, 
apice attenuati, rostrati. Filamenta elongata, linearia, prope 
medium paullo complanata. 
Chili: Corral et in montanis prope Aricam (Philippi, nn. 770 
et 770 a); Corral prope Valdiviam (Bridges, n. 823). 
Sect. 2. Praryanpra. Filamenta linearia, camplanata, ssepius cum 
antheris :quilata.—Species omnes ex America tropica, Chili 
aut Oceano Australi enate. 
$1. Spice densissime; bracteæ utriculis breviores, tempore 
fructus immaturi rhachi haud astrietz. 
18. U. EnrNACEA (Pers. Syn. ii. p. 534): foliis planis, junioribus 
