102 COL. GRANT—BOTANY ОҒ THE SPEKE AND GRANT EXPEDITION. 
[2 to 8 feet high; flowers in February; cultivated for its oil at 15? N. lat., and further to the north, 
in Egypt. The native name is * gartoom;” the modern town of Khartoom, at the junction of the Blue 
and White Niles, is probably called after this plant, where it grows.—J. А. G.] : 
56. PuYLLACTINIA GRANT, Benth. in hb. Kew. Herba annua, ramosa, tomentosa ; 
foliis oblanceolatis oblongisve, acutiusculis, minute serrulatis, supra scabris, subtus laxe 
tomentosis, basi in petiolum angustatis: capitulis terminalibus breviter pedunculatis ; 
involueri bracteis exterioribus foliaceis, interioribus subulato-attenuatis, rigidulis, arach- 
noideis, recurvis patentibusve. : 
Herba dura, diffuse ramosa, 3 ped. alta; ramis arachnoideo-tomentosis. Folia alterna, 14-2 poll. longa, 
juniora tomento ochraceo v. flavido colorata. Pedumculi pollicares, striati, tomentosi. Involucrum brac- 
teis exterioribus foliaceis, folia caulina simulantibus, capitula longe superantibus, interioribus pluriseriatis, 
angustis, longe et rigide acuminatis, recurvis, arachnoideis. Flores radii ligulati, ut videtur purpurei, 
neutri; achenia ampulliformia, teretia, rostrata, glabra; pappus pauciseriatus squamis linearibus acutis 
obtusisve. Flores disci breves; corolla tubo brevissimo, limbo dilatato, campanulato, 5-partito, lobis 
lineari-lanceolatis, revolutis. Anthere basi acutissime et longe caudatæ, caudis retrorsum papilloso-pilosis. 
Achenia basi pilis (exsice.) compressis, apice truncatis, bicuspidatis, basi graciliter attenuatis, unicellu- 
laribus stuposa, valide 10-costata, costis glabris, canaliculis intercostalibus pilosis; pappus pluriserialis 
squamis brunneis, margine albido-scarioso scabrido, interioribus lanceolatis, acutis, coriaceis. 
Hab. Mininga, April 1861 (Cullwmia no. 8, App. Speke's Journ. 638), Col. Grant ! 
[A pretty bushy plant, 6 to 8 inches in height, found in flower near corn-fields, Mininga, 4? 18' S. lat., 
in March.—J. A. G.] . 
Plate LXVIII. fig. 1. Portion of receptacle; fig. 2. Ray-floret; fig. 8. Disk-floret; 
fig. 4. Stamens of the same; fig. 5. Style and stigma; fig. 6. Scales of pappus. 
57. ERYTHROCEPHALUM NUTANS, Benth. MSS. in hb. Kew. Herba e rhizomate (?) 
erecta; caule costato, arachnoideo-tomentoso ; foliis elliptieis v. obovato-ellipticis, obtusis 
v. superioribus acutis, inæqualiter ‘serrato-dentatis, supra glabratis, subtus cano-tomen- 
tosis, basi in petiolum brevem angustatis ; capitulis magnis, terminalibus, solitariis, longe 
peduneulatis, nutantibus; pedunculis striatis, tomento pilis multicellulosis coloratis 
intermixto indutis; involucri bracteis pauciseriatis, laxis, exterioribus ovato-lanceolatis, 
acuminatis, margine plus minus fimbriatis, dorso tomentosis, interioribus angustioribus ; 
. floribus radii ligulatis, involucro 2-3-plo longioribus; paleis latiuscule linearibus, apice 
fimbriatis; acheniis majusculis, ellipsoideis, 5-angulatis, scabridis, glabratis v. parce 
pilosulis. 
Caulis }-ped. Folia caulina alterna, inferiora obtusa, brevissime petiolata, 2-43 poll. longa, superiora 
6 poll. longa, petiolo alato, 4 poll. longo. Pedunculus 6 poll. longus. Capitulum 2-24 poll. diam. 
Corolla glabra, disci limbo. lineari-partito, radii bilabiata, labio interiore breve 2-partito. Anthere basi 
caudate, caudis longiusculis, complanatis, barbellatis, per paria connatis. Pappi setæ caducæ, elongatæ, 
angustissime lineares, margine scabræ. 
_ Наб. 5° S. lat., 33° E. long., alt. 8800 feet (Arctotis ?? то. 1, App. Speke’s Journ. 638), 
Col. Grant! 2202 
[Found in the open forest, where the soil is light. Flower brightest scarlet, drooping.—J. А. G.] 
Plate LXIX. fig. 1. Ray-floret and palea; fig.2. Disk-floret and раа: fig. 8. Seta 
of pappus; fig. 4. Stamens; fig. 5. Style-branches ; fig. 6. Achene. 
58. ERYTHROCEPHALUM LONGIFOLIUM, Benth. MSS. in bb. Kew. Е. nutanti arcte 
affine, differt : foliis oblanceolato-ellipticis, obtuse dentatis; capitulo erecto. 
