Pycreus.'] clvi. CYPERACEiE (clarke). 303 



Clarke in Journ, Linn. Soc. xxi. Q^Q. C. cimicinus, Preal, Rel. Haenk, 

 i. 16G. C. ischnocoriiiis, Steud. Syn. PI. Glura. ii. 11. C. ErcKjrostin, 

 Schweinf. in Bull. Herb. Boiss. ii. Append, ii. 4G, 102. 

 Upper Guinea. Fernando Po, 8500 ft., Mann, 1470! 



Wile Xiand. By the Nile between Khartoum and Shendy, Bromjield .' Eritrea: 

 Belta Felkat, 4900 ft., Schweinjurth Sf Riva, 1050! near Sagatieiti 7200 ft. 

 Schweinfiirlh Sf Eiva, 1735! Deghorra Valley, near Saganeiti, 7200 ft., Schwein- 

 ftirth Sc Hiva, 1779! Aerur, 6000 ft., ScJnveinfurth dif Riva, 1773! Abyssinia: 

 Tigre; Sholoda Mountain, l-S'^Atm^er, 25! Mettgalo Mountain, Schimper, Kl5! 

 near Ado wa, iS'e^im/»er, 312 ! Samen ; marshes near Demerki, .SV/a>w;^er, 574 ! Mount 

 Bachit, Schimper, 118! Begemeder; Senka Berr, on the River Keb, 7000 ft., 

 Schimper! Magdala, SteudneVy 925 ! 928! Lotho, Schimper, 470! Dehli-Dikeno, 

 4OO0 ft., Schimper, 272! Shoa; Ankober, Roth! and without preeise loeality, 

 Schimper, 505 ! 965 ! 1245 ! Quartin- Dillon Sf Petit ! 



IVXozamb:. Dist. German East Africa : Kilimanjaro ; Marangu, 5(X)0 ft., 

 VolJceiis, 653 ! 691 ! 761 ! Taylor ! Usambara ; Heboma, Hoist, 2553 ! Karagwe ; 

 Ihangiro, Stuhlmann, 3342 ! British Central Africa : North Nyasaland, Whyte ! 

 Mount Zomba, 4000-6000 ft., Whyte! 



Also in Natal and Tropical America. 



The South American Cyperus cimicinus, Presl, is identical with the African 

 P. elegantuhis. 



28. p. umbrosus, Nees in Linncea, x. 130. Stronger than any of 

 the preceding species, the Tropical African examples large. Stolons 

 (in Schweinfurth, 1219) exceeding 12 by J in., clothed with ovate black- 

 brown scales 1 in. long. Stems up to 12-18 in. long. Leaves exceed- 

 ing the stem, \ in. broad ; sheaths fleshy with transverse lineolations. 

 Umbel subsimple ; rays 3-7, up to 2 in. long, stout ; bracts 4, lowest (I 

 in. long, similar to the leaves. Spikes of 3-8 spikelets, loosely or clo.sely 

 spicate, ebracteolate. Spikelets up to ^ by J in., 16-flowered, brown to 

 chestnut-black, compressed. Glumes ovate, obtuse, one-coloured, not 

 nerved on the sides, keel yellowish-brown or green. Style shorter 

 than the nut ; branches 2, shortly exserted. Nut \ the length of the 

 glume, obovoid, dark-brown, smooth. — C. B. Clarke in Durand k Schinz, 

 Conspect. Fl. Afr. v. 543, and in Dyer, Fl. Cap. vii. 158; Rendle in 

 Cat. Afr. PI. Welw. ii. 107. Cyperas lanceus, Thunb. Prodr. 18, and 

 Fl. Cap. ed. Schult. 101; Kunth, Enum. ii. 8, excl. vars. /3, y; 

 K. Schum. in Engl. Pfl. Ost-Afr. C. 117. C. melanopus, Boeck. in Flora, 

 1879, 545. C. hrunneo-ater, Boeck. in Engl. Jahrb. v. 498. C./idvns, 

 Ridley in Trans. Linn. Soc. ser. 2, Bot. ii. 120; Engl. Hochgebirgsfl. 

 Trop. Afr. 138. 



Nile Xiand. British East Africa : by the Bahr el Ghazal, near the Nuer 

 villages, Schiceinfurth, 1219! 



Iiower Guinea. Angola : Huilla ; 5000 ft., damp places between Lopolloand 

 Erne, Welwitsch, 6872! near the river in LopoUo district, Welwitsch, 6881 I 



IVIozamb. Dist. Zanzibar, To^^or .' 



Also in South Alrica and Madagascar. 



1 have described above from the Tropical African plant, which is considcrnl)ly 

 larger and more tleshy than the Cape rigid form. Boeckeler esteems Schweinfurtb, 



