214 XXVIII. GRAMiNEiE. [Pentaschistis 



or sometimes patulous ; leaves very narrow-linear, bright green, 

 slightly fleshy, soon becoming yellow when dried. On rocks of the 

 praesidium near Cabondo ; Feb. 1857. No. 2808- On the spongy 

 sunny slopes of Tunda-Quilombo ; end of May 1857. No. 7419. 



Tribe vii. ARUNDINELLE.^. 



43. TRICHOPTERYXNees;Benth.&Hook.f. Gen. PI.iii.p.ll62. 



1. T. simplex Benth. in Joiu-n. Linn. See. xix. p. 98 (1881); 

 Durand & Schinz, Consp. Fl. Afr. v. p. 846. 



Tristachya simplex Nees Fl. Afr. Austr. p. 269 (1841) ; Stead. 

 8yn. PI. Gram. p. 238 (1854). 



PuNGO And(>X(;o. — Called by the negroes Lucomba. A caespitose 

 grass 3 to 5 ft. high, erect or almost ascending ; the tough culms are 

 used by the fishermen for making Musuas (baskets to catch fish). 

 Plentiful in damp meadows from Bumba, Ambuilla, and Condo as far 

 as Quisonde : in fl. and fr. March 1857. No. 7395. Lombe, in wide 

 shining rather damp meadows ; March 1857. No. 2719. A tall 

 <8espitose .1 ristida-\\kQ grass. In wooded pastures between Condo and 

 (Quisonde : March 1857. No. 7444. In the wooded rather deeply 

 grassed meadows of Monino. Collected during the second reconnoitring 

 excursion against the Monani ; beginning of March 1860. No. 7495 



Var. gracilis Rendle var. nov. 



Densely cfespitose, with slender erect culms springing from the 

 tibrous basal sheaths, with a spreading whorl of hairs at the nodes ; 

 leaves suberect or ascending, rigidulous, narrow-linear, becoming 

 convolute and .setaceous ; spikelets glabrous, 4^ lines long ; sheaths 

 and leaves glabrous or pubescent, especially in the lower part of 

 the plant. 



Plngo AxDdNGO. — On the slopes of Cabindo. No. 2714. A 

 oiespitose perennial grass, 2 to 3 ft. high, culms erect with spreading 

 hairs at the nodes, panicles somewhat nodding. In boggy places on 

 the rocks above Catete, not fully developed : 28 Feb. 1857. No. 2787. 

 In meadows near N-billa on the river Cuanza ; March 1857. No. 7441. 

 . A slender widely casspitose erect grass 3 ft. high, with the habit of 

 Aristida. Wooded meadows between Candumba and Muta Lucala, 

 and also near Mopopo ; March and April 1857. No. 7406. 



(?) Var. crinita Stapf ined. 



PuNGo Andongo. — Wooded meadows between Bumba and Condo ; 

 3Iarch 1857. No. 7445. 



The spikelets are very young. 



2. T. grisea K. Schum. in Engl. Pfl. Ost.-Afr. C. p. 109 (1895). 

 PuNGO Andongo. — A caespitose grass with the habit of Ar'tdida or 



Stipa, almost completely villose. Rather rare in wooded meadows 

 between Pedras de Guinga and Candumba ; March 1857. No. 7443. 

 :-5 to 4 ft., erect, cajspitose. In thicket-grown secondary woods in 

 the praesidium, but not plentiful ; Jan. 1857. No. 2716. Nos. 2848, 

 2867 (no information). 



3. T. densispica Rendle sp. nov. 



Perennial, ciespitose, culms erect, slender, terete, wiry, springing 



