p. 23 ; Boeck. In Limuca XXXVI (1869-70) p. 287; Coss. H Our. 

 Expl. sclent. Alger. II p. 246 ; Boiss. Fl. Or. V p. 377 ; Ridl. in 

 Trans. Linn. Soc.,ser.2, II (1884) p. 138 pr. p. ; C. B. Clarke in 

 Jonrn. Linn. Soc. XX (1883) p. 293 et XXI (1884) p. 178. 



C. phymatodes Muhl. Descr. gram. Amer. sept. (1817) p. 23; Scfoceinf. 



Beitr. Fl ^Ethiop. p. 215. 

 C. melanorrhisus/WcVf Fl. -Egypt. Illustr. (1813) p 50. 

 C. tuberosus Pursh Fl. Amor. sept. I (1813) p. 52; 7>V/,-. Fl. of Maur. 



p. 410 (non Rottb.). 

 C. Sieberianus Im/t Hort. Berol. I 1 1827 p. 313 (non fy>r;>?.): (of. 



/VmZ in Oken Isis XXI (1828) p. 270. 

 C. damiettensis Dietr. Syn. pi. II (1840) p. 269. 

 C. Tenorii Pr-'sl Fl. Sicul. (1823) p. XLIII ; Aw has in Flora 11343) 



C. rotundus L. var. (an luoidnlus A/W>< ?); Benth 



. in Hook. 



Niger Fi. 



(1S49) p. 550 in obs. 







C. Buchanani £o<?c/t". Cyper. nova? I (1888) p. 4. 







C. chrysostachys i?o<?c/t. in Flora (1859) p. 438 big. 







C. aurioomus Sieber in herb. pr. p. 







C. spectabilis Boeck. mss. in Bourg. PI. exsicc. n 



, 52.'.. 2386 





Madagascar, Baron 5228; Comores. 







Afr. bor.: Algeria, r, upani <.<-: Tripelitaine, Ruhmer30; 



Egypte. 





Afr. occ.-bor.: Seagal, Heudelot 518, Lecard 117; Sier 







ties du Cap- Vert. 







Afr. occ. : Dahomey ; Bas Niger, Buettner 6, 17; Congo, 



Hens 49. 



, 205,244 



Afr. austro-occ. : Angola, Mechow 9, 92, Pogge 463, "\ 



Yelw. >yM> 



7 pr. p.. 



7098, 7102 pr. p.; pays des Nama et des Herero. 







Afr. centr.-or. : pays des Djur, Schweinf. 1731; Kordofan, Kotschv 52, 



Pfund 632. 







Afr. or.: Abyssinie. Sehimp. 21. 62. 273. 1246; Zanzibar, 1 



)assin dJ Tanganika. 



Afr. austro-or. : Bas-Zambese (Shire): Natal, Buchanan 23, 83, 121, 



212, 316, 



Krauss 97, Wood 117, 1581: Transvaal, Rehm. < 



1776. 56,51, 



7147.- 



distrib. : Europe mend., Inde or., Amerique bor. et 



austr. 





C. esculentus var. y acaulis C. B. Clarke (var. 



nov.). 





Afr. occ: Congo, Hens 14.— distrib. : Inde or., Chine, Malaisie. Australif. 



48 C. exaltatus Retz Obs. bot. V (1789 ; p. 11 ; Kunth Enura. pi- ll 

 p. 70; Benth. in Hook. Niger Fl. p. 551 ; Boeck. in Liang 

 XXXVI (1869-70) p. 319 ; C. B. Clarke in Journ. Linn. Soc. XXI 

 (1884) p. 186 (var. p amoenus inch). 



C. canaliculatus Retz Obs. bot. VI (1791) p. 20. 



C.fastigiatu5tT7//(/. Sp.pl I l79S,p.2S5; R-.ttl, in None Schr.Gesell- 



Freunde Berlin IV.18U3| p. 21u in obs. (non Rottb.). 

 C. venustnsR.Br.Pvodr.fi. N. Holl. (1810) p. 217: Kunth Enum. pi- 

 ll p. 68 pr. p. 



