P^creus.] CLvi. cyperace.e (clarke). 2«jI 



5-10 nuts. Glumes ovate, obtuse, boat-shaped, inflated. Nut \ the 

 length of glume, ellipsoid, brown, transversely muricuhite by reason of 

 the subpersistent ends of the small longitudinally-oblong persistent 

 cells.^P. lanceolaius, C. B. Clarke in Durand it Schinz, Conspect. Fl. 

 Afr. V. 538; Rendle in Cat. Afr. PI. Welw. ii. 107, but not Ci/pn-as 

 lanceolatus, Poir. C. intermedius, Steud. in Flora, 1S42, 581, and Syn. 

 PI. Glum. ii. 5 ; A. Eich. Tent. Fl. Abyss, ii. •483 (but erroneously 

 placed in IJu-Ci/perus); Boeck. in Linnaea, xxxv. 450, excl. vars. /3, y. 

 C. Eragrostis, Krauss in Flora, 1845, 754 in note, not of Vahl. 

 C. lanceolatus^ Ridley in Trans. Linn. Soc. ser. 2, Bot. ii. 125; En<'l. 

 Hochgebirgsfl. Trop. Afr. 138, not of Poiret. 



Wile Xiand. Abyssinia: Tigre ; near Jomara, Schimper^ 12Q1 \ Begemeder, 

 Schimper, 1243. 



Iiower Cruiuea. Angola : Huilla ; near Lopollo, Welwitsch, 6873 ! 



3. P. rehmannianus, C. B. Clarke in Durand it- Schinz, Conspect. 

 Fl. Afr. V. 542, excluding several numbers cited. Roots tibroiis. Stems 

 tufted, up to 15 in. long, rather slender. Leaves 10 by J-J in. 

 Umbel up to 4 in. in diam., simple, of 10-25 spikelets ; bracts 3, lowest 

 4-8 in. long, similar to the leaves. Spikes of 3-10 loosely arran^'ed 

 spikelets, ebracteolate. Spikelets J-| by \ in., much compressed, with 

 parallel sides, 20-30-nutted, chestnut-brown. Glumes ovate, boat- 

 shaped, obtuse, 1-nerved. Nut J the length of the glume, obovoid, 

 compressed, white muriculate ; outermost cells oblong, conspicuous. — 

 C. B. Clarke in Dyer, Fl. Cap. vii. 15G. Cyperusrehmannianus, Boeck. 

 ex C. B. Clarke in Durand tfe Schinz, Conspect. Fl. Afr. v. 542. 



IVSozamb. Sist. British Central Africa : Nyusaland ; Mount Zoinba, 4000- 

 6000 ft., Whyte ! 



Also in South Africa. 



The species was founded on Relnnann's Transvaal plant ; Wiiyte's specimens 

 are much finer and more developed, but the brilliant small nut, mucli narrowed at 

 the base, is the same! 



4. P. debilissimus, C. B. Clarke in Joum. Bot. 180t>, 224. 

 Annual, very slender, weak. Stems 3-G in. long, capillary. Leaves 

 few, nearly as long as the stem, setaceous, flaccid. Head 1 , of 8 sub- 

 sessile spikelets ; bracts 2, lower 2 in. long, similar to the leaves. 

 Spikelets f by jV in., 20-flowered, chestnut-brown, compressed, some- 

 what turgid. Glumes ovate, obtuse, chestnut-coloured; keel chestnut- 

 brown. Nut nearly J the length of the glume, obovoid, nearly black ; 

 outermost cells distinctly longitudinal. 



ITilo Xiand. British East Africa : Tana River, Gregory , 87 ! 



5. P. pauper, C. B. Clarke in Durand d- Schinz, Consjyect. Fl. 

 Afr. V. 540. Annual, weak. Stems 4-7 in. long. Leaves as long as 

 the stem, setaceous. Head 1, of 2-1 sessile spikelets; bracts 2, the 

 lower 2 in. long, erect, similar to the leaves. Spikelets \-\ by J in., 

 4-10-flowered, compressed, turgid, yellow, with the upper margins of 

 the glumes dark-brown. Glumes ovate, not acute, with 3 greenish 

 nerves on the back. Nut J- J the length of the glume, obovoid, black, 



