296 LABIATA (Brown). [ Endostemon. 
the cells being almost confluent at their apex. Disk indistinctly or 
but slightly lobed. Ovary 4-lobed to the base; style filiform, 
abruptly enlarged at the base between the lobes of the ovary ; 
stigma large, at first oblong-clavate and entire, bifid at maturity, 
included in the corolla-tube. Nutlets oblong, 3-angled, truncate at 
the apex. 
A branching herb; leaves opposite ; racemes paniculately arranged, elongated, 
with numerous flower-whorls ; flowers small. 
Disrris, Species 1, also in Tropical Africa, 
This plant differs so much in appearance and structure from Ocimum that I have 
generically separated it, and would place the genus near Hyptis, to which it seems 
much more nearly allied than to Ocimum. 
1. E. obtusifolius (N. E. Br.); a branching herb 1-3} ft. high ; 
stem and branches 4-angled, pilose-pubescent ; leaves spreading ; 
petiole 14-5 lin. long ; blade 4-13 in. long, }—1 in. broad, elliptic or 
ovate, obtuse or acute, serrate with small teeth, more or less 
pubescent on both sides; racemes 3-6 in. long, with numerous 
distant irregularly 3—8-flowered whorls ; bracts persistent, 1—2 lin. 
long, ovate or lanceolate, acute, spreading, pubescent ; pedicels 
unequal, 14-24 lin. long, spreading-pubescent ; calyx-tube i—1} lin. 
long, larger in fruit, pubescent outside, glabrous within; upper 
tooth 1-14 lin. long and broad, suborbicular, apiculate ; lateral 
and lower teeth #—1 lin. long, deltoid-attenuate or deltoid-subulate ; 
corolla puberulous outside, white, spotted with rosy (Wood) ; tube 
about twice as long as the calyx-tube, 2-24 lin. long, straight or 
nearly so, tubular-funnel-shaped, enlarging to 1 lin. in diam, at the 
slightly oblique mouth; upper and lower Jobes subequal, }~1 lin. 
long, 14-24 lin. broad, suborbicular or transversely oblong and 
subtruncately rounded, entire or the upper slightly notched, lateral 
lobes smaller and more rounded, all fiat or the lower one slightly 
concave ; stamens inserted in the throat of the tube; upper pair 
quite included ; lower pair just reaching to the mouth of the tube ; 
filaments all pubescent, very short, those of the lower } lin. long ; 
ovary glabrous or shortly pubescent at the apex of its lobes ; stigma 
very thick and large in proportion to the size of the flower, included ; 
nutlets oblong, 3-angled, truncate and glabrous or pubescent at the 
apex, dark brown. Ocimum obtusifolium, E. Meyer, Comm. 227 ; 
Drége, Zwei Pfl. Documente, 205 ; Dietr. Syn. Pl. iii. 376 ; Benth. in 
DC. Prodr, xii. 38 ; Schinz in Mém. Herb. Boiss. 10, 61. O. rari- 
jlorum, Hochst. in Flora, 1845, 67 ; Krauss, Beitr. Fl. Cap- und Natal. 
131. O. laxiflorwm, Baker in Dyer, Fl. Trop. Afr. v. 348. 
KataHari ReGion ; Transvaal ; common around Shilovane, Junod, 956 ! 
Eastern Reaion: Pondoland; near the Gwenyana River, 1000 ft., Bolus, 
10259! Natal; between Umtentu River and Umzimkulu River, Drége! near 
Durban, Drége ; among reeds by the Umlaas River, \Krauss, 8! Illovo, Wood, 
6418! Delagoa Bay, Junod, 225 ex Schinz. 
Also in Tropical Africa. 
