COL. GRANT—BOTANY ОЕ THE SPEKE AND GRANT EXPEDITION. 135 
3. ACROCEPHALUS CYLINDRACEUS, Oliv., sp. nov. Саше erecto, tetragono, sulcato, hispi- 
dulo; ramis oppositis, ascendentibus ; foliis petiolatis ovalibus lanceolatisve, acutiusculis, 
basi angustatis, denticulato-crenatis, utrinque parce pilosulis; capitulis oblongo-cylindra- 
ceis, sessilibus, basi bracteis 2-4 herbaceis, lanceolatis v. ovato-lanceolatis, patentibus 
involueratis; bracteis floriferis submembranaceis, late obovato- v. rhomboideo-cuneatis ; 
calyce 2-labiato, labiis integris, obtusis, labio antico breviore; сого] tubo calycem paulo 
superante. 
Herba tripedalis A. villoso, Benth., affinis. Folia 14-23 poll. longa, j-$ poll. lata; petiolus 4-4-рой. 
Capitula centralia 3-3 poll. longa, 5 lin. lata ; foliis involucrantibus 4-1 poll. longis. Bractee paucifloræ, 
calycem fructiferum æquantes, dorso dense pilose, obtuse у. late apiculate. Mores } poll. longi, brevis- 
sime pedicellati. Calyx laxe villosus, fructifer 4 poll. longus, labiis oblongis, obtusis, labio antico enervio 
breviore integro, dorso apice hirsuto. 
Hab. Unyoro, Oct. 1862. Beds of the plant growing by the huts of the natives (4cro- 
cephalus villosus, App. Speke's Journ. 644), Col. Grant ! 
[A tough hardy plant, 3 feet high, with a fibrous root. Stem square, an inch thick, covered with rough 
black hairs ; branches numerous, opposite. Тһе plant blooms profusely ; and its flowers are frequented 
by the common honey-bee in September. Тһе corolla closes upon the three elongated seed-like nuts, 
which adhere by their ends.—J. А. G.] 
Plate СХХХТІ. fig. 1. Flower; fig. 2. Corolla, laid open; fig. 3. Calyx. 
4. ACROCEPHALUS CÆRULEUS, Oliv., sp. nov. Frutescens 3—4-pedalis ; caule tetragono, 
appresse hirsuto; foliis linearibus v. lineari-ovalibus, utrinque angustatis, acutis, denti- 
culato-serrulatis, appresse hirsutis, subsessilibus v. petiolo alato; capitulis subglobosis, 
sessilibus, corymboso-cymosis; bracteis involucrantibus paucis coloratis, late ovatis 
rhomboideisve, basi cuneatim angustatis patentibus, bracteis floriferis calyce fructifero 
brevioribus, obovato-rotundatis, breviter apiculatis; calycis lobo antico breviore emar- 
ginato; corollz tubo calyce triplo longiore, labiis subæqualibus. 
Folia 2-3 poll. longa, 1-3 poll. lata. Bractee coloratz, j-1 poll. long, pallide Шасшг, viride venosæ. 
Capitula 1-3 poll. diam.; bracteis floriferis pilosis. Flores 1-1 poll. longi. Calyx villosus, 2-labiatus, 
fructiferus labiis subæqualibus, labio antico emarginato, postico integro. Corolla labio postico 3-lobato, 
lobo centrali obtuso, bidentato. 
Hab. Ukidi, growing in patches in low light soil by water. Saltis said to be extracted 
from the ashes. Nov. 1862 (Acrocephalus no. 3), Col. Grant ! 
[Stem erect, woody, four-grooved, feeling rough and mouldy. Branches decussate, growing like an 
umbel. The broad bracts are all white except their veins, which are green. Flowers blue. Grows in 
patches. The Wahiow, who аге said to extract salt from its ashes, call it “ keesongeh."—J. A. G.] 
Plate CXXXIII. fig. 1. Flower; fig. 2. Corolla, laid open ; fig. 3. Calyx. ` 
5. ACROCEPHALUS LILACINUS, Oliv., sp. nov. Pubescens; caule obtuse tetragono, pilis. 
brevibus patentibus piloso-tomentoso, ramoso, ramis adscendentibus ; foliis lineari-lanceo- 
latis ovalibusve, acutis, utrinque angustatis, denticulatis, supra scabrulis, subtus plus 
minus pilosulis patentibus recurvisve; capitulis globosis, bracteis coloratis involucratis ; 
calycis lobo postico 3—4-denticulato, antico 2-denticulato; corollæ tubo calycem fere 
duplo superante ; labiis subæqualibus. 
Caulis 14-24-pedalis. Folia 1-1} poll. longa, 1-4 poll. lata, breviter petiolata. Capitula 2 poll. diam. ; 
bracteæ involucrantes late dilatatæ, apiculate, basi cuneatæ, lilacinæ, subtus basin versus pilose, 2-3 poll. 
VOL. XXIX. 2A 
