64 COL. GRANT —BOTANY ОЕ THE SPEKE AND GRANT EXPEDITION. 
73. CASSIA DIDYMOBOTRYA, Fresenius, in Flora, 1839, 53; Oliver, in КІ. Trop. Afr. 
ii. 276. 
Hab. Madi, Feb. 1863, Col. Grant! Occurs also in Abyssinia, Mozambique, and 
Angola. 
[A bush, with outspreading branches, 5 to 6 feet high. Bark of branches shiny. Foliage a sombre-green 
colour; flowers yellow; pods black. Native name * m”cækæs"æ.” Seen as fencing.—J. А. G.] 
74. CASSIA OBOVATA, Colladon; Oliver, in Fl. Trop. Afr. ii. 277. 
Hab. Khartoum, Col. Grant! Widely spread in Tropical Africa, extending eastward 
into India. 
[Saw its leaves being gathered at Khartoom, 15° N. lat., in March, when it was in full pod. It grow 
abundantly here upon the sand-covered fields.—J. A. G.] 
75. CASSIA ACUTIFOLIA, Delile; Oliver, Fl. Trop. Afr. ii. 278. 
Hab. Sandy fields, Khartoum, March 1868, and (variety with broader puberulous leaf- 
lets) near Korosko, 162^ N. lat., Col. Grant! Grows from Sennaar and Kordofan. west- 
ward to 'Timbuctoo. 
[This species was also being gathered, but not to the same extent as C. obovata.—J. A. G.] 
16. Cassra (Š CHAMÆCRISTA) GRANTII, Oliver, in Fl. Trop. Afr. ii. 279. Diffusa; 
ramulis puberulis; foliolis 4-7-jugis, latiuscule oblongis, obtusissimis, mucronatis, gla- 
bratis, venulis oblique divergentibus, petiolo communi glandulas 1-3 stipitatas basin versus 
gerente ; pedicellis solitariis geminisve ; sepalis exterioribus ovali-oblongis apiculatis, inte- 
rioribus ellipticis obtusis; staminibus 10 antheriferis; legumine lineari recto pubescente. 
Caules е basi perenni, diffusi v. decumbentes, 1-1 ped. longi, puberuli v. sparse pubescentes. Folia 
abrupte pinnata, 1-2 poll. longa ; foliolis sessilibus late oblongis, obtusissimis v. retusis, mucronulatis, basi 
valde obliquis, glabris v. glabrescentibus, costa basi excentrica, venulis oblique adscendentibus; petiolo 
communi tenuiter pubescente v. puberulo, basin versus v. inter juga glandulas stipitatas 1, 2 v. 8 gerente. 
Stipule lanceolatæ, acuminatæ v. subulatæ, nervosæ, erectæ, 1—1 poll. longe. Pedicelli supraaxillares, 
solitarii, gemini v. terni, pubescentes, basi bracteis stipuliformibus stipati, apicem versus bracteolis 9 subu- 
latis instructi, 1-11 poll. longi. Sepala 4-5 lin. longa, exteriora ovali-oblonga apiculata, interiora elliptica 
obtusa. Petala $ poll. longa. Stamina 10, ommia fertilia ; antheræ uniformes, lineares, curvatz; fila- 
menta brevissima. Ovarium pilosum. Legumen lineare, rectum, compressum, apiculatum, 8-10-spermum, 
valvis pubescentibus ; 1} poll. longum, 3— poll. latum. 
Hab. M’bwiga, alt. 1200 ft., Oct. 1860, Col. Grant! Found also in the Maravi country, 
near Lake Nyassa, and (var. pilosula) in Angola. 
[Small herbaceous plant, abundant in the above locality only. In flower and fruit October 1860.— 
J. A. G.] | 
Plate ХХХУ. fig. 1. Leaflet ; fig. 2. Calyx and pistil; fig. 3. Stamen. 
77. Cassta (Š CHAMJECRISTA) FALCINELLA, Oliver, in Fl. Trop. Afr. ii. 281. . Suffru- 
_tescens ; caulibus ramosis hirto-pilosis ; foliolis 8-11-jugis, 
faleato-oblongis oblique apiculatis, costa margini superiori arcte approximata, venulis 
latere inferiore oblique adscendentibus validis; stipulis rigidis, ovato-lanceolatis, basi 
valde obliquis subcordatis; floribus solitariis geminisve axillaribus; sepalis acutissimis ; 
| staminibus 10 antheriferis; legumine lineari curvulo, compresso, pilosulo. 4 
Caules 1-14 ped. longi e basi ut videtur perenni adscendentes, plus minus distiche ramosi, pilis sub- | Л 
patentibus hirti. Folia 3-3 poll. longa, abrupte pinnata; foliolis rigidis, superioribus ИИ | 
rigidis, superioribus minoribus . 
