263 CYPERACER (Clarke). [| Rynchospora. 
nut, brown, with teeth pointed upwards; nut 2 as long as the glume, 
obovoid, compressed, chestnut-coloured ; beak ‘linear, longer than the 
nut, white, scabrid; style very long, linear, ex xeerted, entire, or 
microscopically 2-fid at the tip. R. poly ycephala, Kunth, Enum. 
li. 291; Boeck. in Linnea, Xxxvil. 552. . triceps, Roem 
pie Syst. Veg. ii. Mant. 50; Hochst. in Flora, 1845, 759, fe 
Bo eck. Schenus fragiferus, Rudge, Guiana 15, t. 17. Mariscus 
oiuiere. G. Bertol. in Rendiconti Ist, Bologna, 1853-4, 33; ™m 
Mem. Accad. Sci. Bologna, v. (1854) 466, t. 24; of. Boeck. in Flora, 
1861, sae Bs ian aig olig gocaphalus Hochst. in Flora, 1845, 
t. 417, fig. : 
. 
| 
Basra R REGION : Pondol nd; eae St. Johns River and ee a peri 
1000 ft., Drége; Natal; ponds near Umlaas River, Krauss , 206! 
Rehmann, 8607! 
Rare in Tropical Africa and the Mascarene earls abundant in America from 
Florida and Mexico to the Argentine province 
. R. aurea (Vahl, Enum. ii. 229) ; glabrous or nearly 80; stem 
a3 ft. long ; leaves elongate, 4—} in. broad, robust ; panicle oblong, 
it 
upwards ; nut Sacra, beak) iby 4-4 es in., obovoid, ae 
brown, smooth (sometimes with a notch on each side) ; beak very 
narrow-triangular, longer than the nut; style about 4 in. long, very 
narrow, entire or nearly so. Beauv. F i. d@ Owar. ii. 39, #. 81, fig. =5 
Kunth, Enum. ii. 293; Boeck. in Linnea, xxxvii. 626 ; C. B. Clarke 
in Hook f. Fl. Brit. Ind. vi. 670. Scirpus cor, ymbosus, ” Linn. Amoen. 
Acad. iv. 303; Sp. Plant. ed. 2,76. Schaenus surinamensis, Rott. 
Deser. et Ic. 68, t. 21, fig. 1. 
EastEerRN Reeion : ae Herb. Schinz ! No South African specimen at Kew. 
Widely distributed i e Tropical and Sub. Bytes regions of both Hemi- 
spheres, an abundant dies “batt not plentiful in Africa 
. R. spectabilis (Hochst. in Flora, 1845, 760); panicle long, 
oxilanys spikes condensed nearly into heads ; spirale larger and 
browner than in #. aurea ; nut (including beak) 3 by 2 in. ; otherwise 
. macrocarpa, Boeck. in Linnea, xxxvii. 629. 
Cal, yptrostylis Rudge, Hochit. tn Flora, 1845, 7 60. C. macrocarp a, 
ee ees ex Bueck. in Linnea, xxxvii. 6 
ERN ReGion: Natal —. near Umlaas River, Krauss, 210! marsh 
near pears 300 ft,, Wood, 4001! 
This may be only hen of the variable and ubiquitous R. awrea. The ty 
specimens collected by Krauss have the nut unusually large, and the inflorescence 
nost into distant heads. As to Wood 4001, matched with Krauss 210 
in Herb. Kew, it is too young to show the size of the nut, and the inflorescence is 
more like that of R. aur 
>) 4 RB. glauca (Vahl, Enum. ii. 233); glabrous; rhizome very 
| “short, horizontal, from a basal offset; stem 1-2: ft. long, “rather 
