88 
CL VII. GRAMLNEiE (Stapf). 
[. Imperata . 
long. Glumes ovate-oblong to ovate-lanceolate, obtuse or sub- 
obtuse with the tips ciliate, usually 5-7 nerved. Valve of lower 
floret oblong, obtuse, denticulate, ciliate, nerveless ; of upper ovate, 
acute, glabrous, nerveless. Anthers 1J-2J lin. long. Stigmas 1J- 
2J lin. long, purple.- — Durand & Schinz, Consp. FI. Afr. v. 693 ; 
Pilger in Engl. Pflanzenw. Afr. ii. 189, fig. 188 (?). 
Var. £ Thunbergii, Durand & Schinz, l.c. Sheaths usually glabrous at the 
nodes ; ligules very short, truncate ; blades usually flat, 2-4 lin. broad, other- 
wise as in the type. Panicle very dense. Spikelets about 2\ lin. long, hairs 
5^6 lin. long. — Hack, in Bull. Herb. Boiss. iv. App. iii. 10 ; Durand & Schinz, 
Etud. FI. Congo, 312 ; Franch. Contr. FI. Congo Frang. 11 ; De Wild. & Durand, 
Reliq. Dewevr. (1902) 253 ; De Wild. Etud. FI. Katanga, 1 ( cylindracea ). I. 
Thunbergii, Beauv. l.c. 165 ; Roem. & Schult. Syst. ii. 289 : Nees, FI. Afr. 
Austr. 89 ; Steud. Syn. PI. Glum. i. 405. I. arundinacea, var. africana, 
Anderss. in Oefvers, K. Vet. Akad. Forh. Stockh. 1855, 159. I. arundinacea, 
var. Thunbergii, Hack. Androp. in DC. Monogr. Phan. vi. 94 ; Hack, in Bolet. 
Soc. Brot. vi. 142 ; K. Schum. in Engl. Pfl. Ost-Afr. B. 86, C. 96 ; Rendle in 
Cat. Afr. PI. Welw. ii. 135. I. angolensis, Fritsch in Bull. Herb. Boiss. 2me 
ser. i. 1096. I. Dinteri, Pilg. in Engl. Bot. Jahrs. xlviii. 342. Saccharum 
spicatum, Thunb. Prodr. 20, not of Linn, (except in Herb.). S. Thunbergii, 
Retz. Obs. v. 17. 
Upper Guinea. Senegambia : coast between Portudal and Jual, Dollinger ! 
Sierra Leone : common by the Kora River, Scott Elliot, 1892 ! 4590 ! and 
without precise locality, Smythe, 251 ! Don ! French Sudan : Dio, Cheva- 
lier, 166 ! Guionkowkoma, Chevalier, 329 ! Gold Coast: Aburi Hills, John- 
son, 291 ! Central Province ; Juabin, Evans, 433 ! Dahomey : Gebe, Newton, 
20 ! Northern Nigeria : Nupe, Barter, 1393 ! Yola, Dalziel, 307 ! Lokoja 
and Abeokuta, Migeod, 69 ! Bahr Trona, Oudney, 4 ! Southern Nigeria : 
Lagos, MacGregor, 10 partly ! 
North Central. Dar Banda : Kaga Balidja, Chevalier, 6700 ! Lake Chad 
district, Miss Macleod ! Tuburi, Miss Macleod ! 
Nile Land. Uganda : Entebbe, Fyffe, 194 ! Kavirondo, Scott Elliot, 6136 ! 
Toro; Butiti, 5000 ft., Bagshawe, i 100 ! Stuhlmann, 1320! British East 
Africa : Ngatana, Tana River plains, Gregory ! 
Lower Guinea. Lower Congo : without precise locality, Smith ! Belgian 
Congo: Lubusi, Dew&vre, 351 ; Lute te, 2000 ft. Hens, 271 ! Angola: Loanda 
to Huilla, Welwitsch, 7179 ! 7354 ! 7189 ! 7229 ! 2640 ! Benguella, Gossweiler, 
1956 ! Hereroland : Okokongominja, Dinter, 1767. 
South Central. Belgian Congo : Bena Moulengere, Dewevre, 1012 ; Katanga, 
common in bush, VerdicJc. 
Mozambique Distr. Nyasaland : Mount Malosa, Whyte ! Shire Highlands, 
Adamson, 189 ! and without precise locality, Buchanan, 1064 ! Portuguese 
East Africa : Zambesi, Carvalho ! Kalahari : Lake Ngami, covering a wide 
area of the old lake bottom, Schinz, 653 ; Mutshama, Fleck, 302 ! Rhodesia : 
Kashitu River, Rogers, 8299 ! 
Var. y Koenigii, Durand & Schinz, l.c. 694. Culms slender ; sheaths generally 
long-bearded at the nodes ; ligules very short, truncate ; blades less rigid than 
in var. Thunbergii or almost flaccid, subglaucous. Panicle less dense, particu- 
larly when ripe. Spikelets 1^-2 lin. long, hairs 5-7 lin. long. — Franch. Contr. 
FI. Congo Frang. 11. I. Koenigii, Beauv. l.c. 165 ; Roem. & Schult. l.c. 289; 
Trin. in Mem. Acad. Petersb. 6me ser. ii. 331 ; Nees, l.c. 89 ; Steud. l.c. I. 
arundinacea, Hook. f. FI. Brit. India, vii. 106 partly. I. arundinacea, var. 
indica, Anderss. l.c. 160. I. arundinacea, var. Koenigii, Benth. FL Hongk. 419; 
Hack. Androp. in DC. Monogr. Phan. vi. 94 ; K. Schum. in Engl. Pfl. Ost-Afr. 
B. 86 ; C. 96. Saccharum Koenigii, Retz. Obs. v. 16. 
Upper Guinea. Sierra Leone : Bumban, 650 ft., Thomas, 1961 ! Southern 
Nigeria : Lagos ; Ekau, MacGregor, 10 partly ! Dodd, 387 ! Gaboon River, 
Mann, 1024 ! 
