628 
Acroceras.] clvii. graminea] (Stapf). 
spikelets or in the lower part of the panicle short secondary branches 
of a similar structure ; pedicels stiff, angular, scaberulous with 
truncate tips, if paired or clustered, one or several very short to short, 
the longest 2-3 lin. long. Spikelets lanceolate-oblong, bluntly 
apiculate, 2-2 J lin. long, pale green with darker tips, quite glabrous. 
Glumes membranous, unequal, with green nerves ; lower lanceolate 
from an ovate base, acuminate, two-thirds to four-fifths the length 
of the spikelet, 3-nerved, middle nerve more prominent upwards and 
often ending with a short blunt keel ; upper glume corresponding 
in length and shape to the spikelet, 5-nerved, with laterally slightly 
compressed thick blunt tips. Lower floret barren : valve very 
similar to the upper glume, but usually slightly shorter ; valvule 
more or less reduced, oblong, acute, keels finely scaberulous. Upper 
floret oblong, bluntly mucronulate from the valve, 2 lin. long, 
smooth, white, at length turning brownish, glossy ; valve and valvule 
coriaceous, mucro of the valve and often the tip below it minutely 
rough, tip of the valvule subcucullate, slightly recurved and re- 
versedly ciliolate on the indexed margin ; anthers 1 lin. long. — 
Panicum oryzoides, Sw. Prodr. Veg. Ind. Occ. 23 ; Kunth, Enum., i. 
129 ; Steud. Syn. PI. Glum. i. 80 ; Eendle, Cat. Afr. PL Welw. ii. 172 ; 
not of Arduino. P. zizanioides, H. B. & K. Nov. Gen. & Spec. i. 100; 
Kunth, Rev. Gram. i. 233, t. 28, and Enum. i. 118 ; Nees, Agrost. 
Bras. 143 ; Trin. Pan. Gen. 188, and in Mem. Acad. Petersb. 
6 me ser. iii. 276 ; Steud. l.c. i. 75 ; Doell in Mart. El. Bras. ii. ii. 228 ; 
Hitchcock & Chase in Contrib. U.S. Nat. Herb. xvii. 531. ’ P. bal- 
bisianum , Schult. Mant. ii. 254. P. numidianum, Hook. Niger FI. 
560 ; not of Lam. P. pseudoryzoides, Steud. l.c. P. Ridleyi , Hack, 
in Trans. Linn. Soc. ser. 2, Bot. iii. 400 (name only). P. latifolium, 
Hook. f. El. Brit. Ind. vii. 39 ; not of Linn. P. ogowense, Eranch. 
Contr. El. Congo Eran9. in Bull. Soc. Hist. Nat. Autun, viii. 344 
(reprint, 36) ; De Wild. & Durand in Bull. Herb. Boiss. 2 me ser. i. 61. 
P. lutetense, K. Schum. in Engl. Jahrb. xxiv. 332. 
Upper Guinea. Sierra Leone : Jigava, 1100 ft., Thomas, 2747 ! Bumbuna, 
650 ft., Thomas , 1963 ! 2032 ! 3256 ! " Yetaya, 1100 ft., Thomas, 2322 ! 2330 ! 
Mabonti, 550 ft., Thomas, 3564 ! Pandembn, 300 ft., Thomas, 813 ! Binkolo, 
500 ft., Thomas, 1755 ! Mabum, Thomas, 1617 ! Malotoka, Thomas, 1355 ! 
Rowala, 500 ft., Thomas, 1072 ! Binkolo, 570 ft., Thomas, 1864 ! Yonibana, 
Thomas, 4279 ! 4714 ! Kanya, 1000 ft., Thomas, 2943 ! Falaba river, Scott 
Elliot, 5097 ! French Sudan : shady borders of streams near Moussaia (Upper 
Niger), Chevalier, 399 ! French Guinea : moist land near Timbo, Pobeguin, 
1712 ! South Nigeria : Lagos, Mitten, 98 ! Dawodu, 94 ! Ibu, Vogel, 20 ! 
Abbeokuta, Irving ! Opobo, Jeffreys}. Northern Nigeria : Jeba, Barter ! 
Cameroons : Bipinde, Zenker, 3794 a ! 3805 ! in open bush near Batanga, 
Bates, 170 ! 
North Central. Middle Oubangui : between Bangui and Kemo, Chevalier, 
5278! 
Nile Land. Uganda : water edge in Kipayo forest, 4000 ft., Dummer, 
675 ! 
Lower Guinea. Gaboon : Corisco Bay, Mann, 1894 ! Ogowe, Thollon, 832 ! 
Fernando Po, Mann, 1176 ! Belgian Congo : Cataracts Distr., in underwood 
along borders of streams near Lutete, 1600 ft., Hens, A. 194 ! Stanley Pool Distr.; 
