COL. GRANT—BOTANY ОЕ THE 5РЕКЕ AND GRANT EXPEDITION. 173 
Hab. The “ Bajra;” seen only on the coast; not cultivated in the interior, Col. 
Grant. 
I have not seen any specimen. 
17. ARISTIDA GRACILLIMA, Oliv., sp. nov. СэзрНоза; culmis 2-3 ped. altis, teretibus, 
glabris; foliis anguste linearibus, apice longe attenuatis, vaginisque, ore albido-piloso 
barbato excepto, glabris; panicula pedali, subpatula, radiis gracilibus lævibus adscen- 
' dentibus ramosis ; glumis flosculo longioribus, inæqualibus, 1-nerviis, inferiore fusco-pur-- 
purascente, 4 poll. longa, oblongo-lanceolata, secunda 3-pollicari, lineari, longe acu- 
minata ; gluma floris subhyalina, 3-nervia ; arista profunde 3-fida, elongata, 2-3-pollicari. 
Hab. Mininga, May 1861 (Aristida, nov. sp., App. Speke's Journ. 653). 
[A very elegant grass, 8 feet high, тіре and found near cultivation іп Мау 1861, at 4218” S. lat.— 
J. А. G 
Plate CXIV. fig. 1. Spikelet, enlarged; fig. 2. Floret, laid open. 
18. SPOROBOLUS ELONGATUS, В. Вг.; Kunth, Enum. РІ, i. 212.—Sporobolus пов. 1 2, 
App. Speke’s Journ. 653. 
Hab. Near Kazeh, Karagué, and Uganda, Col. Grant! A widely spread grass in 
the Old World. ! 
19. PHRAGMITES COMMUNIS, Trin.; Kunth, Enum. Pl. i. 251.—Arundo phragmites, 
L., App. Speke’s Journ. 658. 
Hab. From 4° 55” N. lat. and northward, Col. Grant! А cosmopolitan species. 
[Reed in Unyoro marshes, 21st Sept. 1862. Not in flower. 8 feet high, егесі, round stem, tubular 
between the joints. Leaves 2 spans long, 2 inches broad at their bases, stiff, smooth, not filed at their 
edges or on their surfaces, alternate, their bases clasp the stem, and grow regularly in one plane from the 
right and left sides only. 
Native name and uses :—“ Matætæ.” Тһе flutes and whistles of Ње Waganda are made of this reed. 
Jt is said to grow as thick as the arm in Nyassa, 11°S. lat., where the natives make a fence of it. Small 
thin lengths of it would suit admirably for the pens used by East-Indians to write Arabic and Hindi. 
It extends in one great sea for 1100 miles north of 4° 55’ N. lat.—J. A. 6.1 
20. Мтсвоснтол SETACEA, В. Br.; Kunth, Enum. РІ. i. 258; App. Speke’s Јошт. 
653. 
Hab. 5° 5’ S. lat., Col. Grant! Widely spread in both hemispheres. 
[16 to 18 inches long. Found in lat. 5° 5' S., alt. 3600 feet, in light sandy soil near water.— 
J. A. G.] 
21. Сүхорох Растутох, Pers.; Kunth, Enum. Pl. і. 259; App. Speke’s Journ. 653. 
Hab. 5° S. lat. to 2? N. lat., Col. Grant! А cosmopolitan weed. 
[Observed from 5? S. to 2? N.lat. Тһе natives at thelatter place use this grass as their only bedding, 
placing it on the floors of their huts. Cattle choose it of all others.—J. А. б.) 
22. DACTYLOCTENIUM ÆGYPTIACUM, Willd.; Kunth, Enum. РІ. i. 261; App. Speke's 
Journ. 658. 
Hab. 57 S. lat. &e., Col. Grant! А common tropical grass. 
[Grows 24 feet high. Dense crops of it, in waste ground and upon the flat roofs of the Arabs’ houses, 
in Unyanyembe, Kazeh, 5° S. lat. The poorer starved people gather the ears of this grass, dry them in 
the sun, beat out the grain (extremely small) on surface rocks, grind it, and make the flour into stirabout 
eaten with mushrooms. Ripe іп February.—J. А. G.] 
