168 XXVIII. GRAMiNE/E. [Panicuvi 



membrunou.s, pilose ; blade stift', glabrous, 1 V to 3.V in. long by 

 2 to 4 lines broad. Spikes generally 8, near the end of the long 

 axis, separated by internodes about equal to their own length, 

 decreasing in size from below upwards, 2- to 8-flowered, the upper- 

 most reduced to a single spikelet, rhachis sparsely pilose. Glume I. 

 triangular-ovate, membranous , 3-nerved, ^ line long ; gl. II. 

 thicker, very broadly oval, very concave and blunt, inconspicuously 

 5 -nerved, 1 line long ; gl. III. concave, with edges strongly 

 incurved above, and apiculate, 5-nerved, 1 h line long, enclosing a 

 membranous obovate pale with edges sharply inflexed at the strongly 

 marked nerves ; anthers dark-coloured ; fertile gl. coriaceous, 

 minutely scabrid, bkmt, very inconspicuously 3-nerved, 1~ line 

 long, the incurved edges enclosing the well-fitting pale. 



The form of the inflorescence and the shape of the spikelet 

 recall P. hrizoides Lam., but the rhachis is slender, not broad as in 

 that species, while the habit and the stift' lanceolate leaves with 

 their minutely serrulate margin are very characteristic and distinct. 



PuNGO Andoxgo. — Wet places in the praesidium ; Feb. 1857. 

 No. 2793. 



3. P. brizanthum Hochst. in Flora xxiv. Intell. 1, p. 19 (1841) 

 (nomen) ; A. Eich. Tent. Fl. Abyss, ii. p. 363 (1851) ; Steud., I.e., 

 p. 63 ; Durand k Schinz, I.e., p. 742. 



PuNGO ANDOX(io.—Calunda ; March 1857. No. 2713. A perennial 

 grass, laxly cfespitose, with flat erect leaves, and erect slender almost 

 naked culms 3 to 4 ft. high, bearing at the top 3 to G subfalcate spikes 

 closely beset with unilateral spikelets. In habit like a Paspuhon. 

 Here and there in rather damp meadows at the river Cuanza near 

 Mop6pn ; April 1857. No. 2822. Meadows near Sansamanda : Feb. 

 1857. No. 2796. 



4. P. falciferum Trin. Gram. Panic, p. 127 (1826), Icon, et 

 Descript., t. 147 (1829); Benth., I.e., p. 560 ; Steud., I.e., p. 57 ; 

 Durand & Schinz, I.e., p. 749. 



PuNGO AxDOXGO. — In marshy places near Quibanga ; Jan. 1857. 

 No. 2775. No. 2845 (no notes). 



A larger coarser plant than the Huilla one, and also characterised by 

 the broad rhachis fringed with ferruginous hairs twice as long as the 

 spikelets. Specimens collected in Gambia by Mungo Park resemble 

 this form. 



HuiLL.\. — Shady rather dry pastures near Lopollo ; Feb. 18G(). 

 No. 2652. 



Smaller slenderer plants than those from Pungo Andongo, the 

 narrower rhachis bearing only a few almost colourless hairs, resembling 

 therein Trinius' figure and description. 



There is some discrepancy in the size and neuration of the 

 outermo.st glume in the specimens which I have examined and 

 Trinius' figure. In plants from Cape Coast, Acci-a, Gambia, and 

 Angola it is invariably truncate and generally 5-nerved. It 

 varies in length from | to | the length of the third glume. 



5. P. brevispicatum Ptendle sp. nov. 



Annual forming a tuft of numerous decumbent shoots rooting 



