ADDENDA. . 523 
filaments with a pubescent tooth near the base.—Hemizygia tuberosa, 
Hiern in Cat. Afr. Pl. Welw. i. 852. 
sen Guinea. Angola: Pungo Andongo; in dry hilly thickets, Welwitsch, 
565. 
38a. Ocimum andongense, Jiern in Cat. Afr. Pl. Welw. i. 850. 
An erect perennial herb. Stems nearly 2 ft. long, pubescent upwards. 
Leaves opposite, linear or linear-oblong, sessile or shortly petioled, 1-2 
in. long, ;4,—+ in. broad, subobtuse, narrowed to the base, denticulate 
upwarus, firmly herbaceous, glabrous, minutely dotted. Inflorescence 
terminal, a foot long; whorls distant, 4-6-flowered. Calyx pubescent, 
¢ in. long; upper tvoth broad; the others subulate from a broad base. 
Corolla whitish, } in. long; lobes as long as the tube. Stamens 
4 5? 
exserted. 
Lower Guinea. Angola: district of Pungo Andongo, Welwitsch, 5769. 
1. Gentosporum paniculatum, Baker. Add:— 
Var. debile, Hiern. in Cat. Afr, Pl, Welw. i. 853, A weak plant hanging over rocks. 
Lower Guinea. Angola: Pungo Andonga; Casalala Stream, near Pedra 
Songue, Welwitsch, 5527. 
la. Geniosporum strictum, /iern in Cat. Afr. Pl. Welw. i. 852. 
An erect smooth herb, 2-3 ft. high, with pubescent stems. Leaves 
Subsessile or shortly petioled, 2-4-nate, oblanceolate, 1-2} in. long, 
firm, serrate, glabrous. Inflorescences racemose, terminal and axillary, 
the end one 2-6 in. long; whorls many-flowered ; pedicels pubescent, 
yo in. long. Calyx obliquely campanulate, under a line long, pubescent. 
Corolla 1 in, long; lips as long as the tube. Stamens exserted. 
Lower Guinea. Angola: district of Huilla, Welwitsch, 5499. 
5a. Geniosporum Mutamba, /Hiern in Cat. Afr. Pl. Welw. i. 854 
A perennial herb, with an edible tuberous root. Stems trailing, with 
branches 2 ft. or more long. Leaves shortly petioled or subsessile, 
ovate or oblong, 1-4 in. long, obtuse, rounded or cuneate at the base, 
thin, hispidulous and punctate, remotely serrulate. Inflorescence 
racemose, oblong, terminal, 1-2 in. long. Calyx ,', in. long, pubescent, 
shallowly lobed. Corolla red-violet, } in. long. 
Lower Guinea. Angola: district of Huilla, wild and cultivated about Lopollo, 
Welwitsch, 5496, 5590. 
4, Moschosma riparium, //ochst. Add: Basilicum myriostachyum, 
O. Kuntze, Rev. Gen. ii. 512; Hiern in Cat. Afr. Pl. Welw. 3. 858. 
10a. Acrocephalus Goetzei, Giirke in Engl. Jahrb. xxviii. 471. 
An undershrub with villous stems. Leaves shortly petioled, lanceolate, 
13-3 in. long, acute, entire, narrowed to the base, villous on both 
surfaces. Heads terminal, subglobose; outer bracts stalked, whitish- 
blue, reaching 14 in. long; flower-bracts 1-1 in. long. Calyx 2-lipped ; 
lips ire. ; 
Poem. Dist. German East Africa: Uhebe ; plateau near Mgololo, 4500 ft., 
Goetze, 764. 
