192 XXVIII. GRAMiNE.E. [Penntsetimt 



** Partial inflorescence sensi/e. 

 Var. Plukenetii, 



Penicillaria Plukenetii, A. Br. in Ind. Sem. Kort. Berol. 1855, 

 App. p. 24. 



Leaf-blades and sheaths hirsute ; a ring of white hairs at the 

 nodes and below the leaf-blade. Spikes cyHndrical, nairowing to 

 the generally comose apex, from a little over 4 to 10 in. long by 

 7 to 9 lines thick, not including the awn, golden-yellow or purple. 

 Involucre exceeding the single spikelet or sulisessile paiiv 

 setje plumose, about 1 in., the longest about 1 in., ascending, 

 sometimes becoming horizontal or descending. Spikelets 2 lines 

 long, lanceolate ; gl. I. small, hyaline, | to | line, ovate or oblong 

 from a truncate base, enerved ; gl. II. ovate, obovate and retuse, 

 or truncate-elliptical, enerved, 1-nerved, or sometimes with a small 

 lateral nerve on each side, ^ to nearly 1 line long ; gl. III. ovate, 

 mucronulate, 3- to 5-nerved, l^V line long, subtending a subequal 

 pale with pilose nerves, and a ^ flower, or shorter (1 line) oblong 

 and empty ; gl. IV. nearly 2 lines long, ovate with a mucronate, 

 rarely scarcely mucronulate apex, 5-nerved, subtending a subequal 

 pale and a 5 flower. 



Loan DA. — Massango, a fine-looking grass, annual, 4 to 6 ft., sub- 

 ca2spitose, erect, spikes yellowish. Sporadic in thickets between Penedo 

 and Concei^ao ; end of May 1858. No. 7278. 5 to 8 ft. high, culms 

 crowded, branched towards the top, hollow, spikes ^ to 1 ft., comose 

 at the top, coma of an elegant rose colour, finally recurved in mature 

 spikes. Rather rare in fields once cultivated, and even springing up 

 on all sides in abandoned gai'dens in the town of Loanda ; cultivated 

 in Sr. A. Lopes de Silva's garden ; 7 July 1854. No. 7321. Coll. 

 Carp. 1091. 



GoLUNGo Alto. — A very fine grass 3 to 5 ft. high, spikes 7 to 10 in. 

 long, of a deep blood-red colour (" intense sanguineis," the spikes in 

 the dried specimens are purple). Grows along with Pennisptnm 

 giganteum (Marianga), but is much rarer, in grassy places near Sange : 

 end of April and May (more advanced) 1855. No. 7275. An annual 

 grass, 4 to G ft. high, culm at first straight, then ascending, rooting at 

 the nodes, spikes when flowering a very fine purple, then dark purple, 

 more rarely golden. On grassy hills between Sange and Menha-Lula ; 

 May 1855. No. 7276. A beautiful grass, pyramidally branched, 7 to 

 10 ft. high, cultivated by the negroes and more rarely by the settlers, 

 spontaneous everywhere, and known as Massango ; the seeds are much 

 liked by sparrows. Spontaneous on the left of the Quiapose stream 

 near Sanches ; Feb. 1855. No. 7276i. Cultivated in the garden of 

 the governor of the district : called by the natives Massango : liked 

 by sparrows. May 1855. No. 7276c. 



Sect. 4. — Beckeropsis. 



8. P. dioicum A. Rich. Tent. Fl. Abyss, ii. p. 380 (1851); 

 Durand & Schinz, I.e., p. 778. 



P.longisetum K. Schum., I.e., 0. p. 105 (1896); P. imisetum 

 Benth. in Journ. Linn. Soc. xix. p. 49 (1881) ; Durand & Schinz, 

 I.e., \). 786. Beekera dioiea Nees in Linna;a xvi. p. 219 (1842) ; 

 B. vniseta Hochst. in Flora xxvii. p. 512 (1844) ; B. nuhica Hochst., 



