ADDENDA. 615 
7. Glossonema Erlangeri, XK. Schum. in Engl. Jahrb. xxxii. 
322. A perennial herb, about 1 ft. high. Stem branching, puberulous, 
flattened at the younger parts. Leaves linear-oblong or linear-lanceo- 
late, acute or obtuse, mucronulate, acute at the base, puberulous on 
both sides; petiole 4 lin. long; blade 7-17 lin. long, 24—7 lin. broad. 
Flowers 2-3 in a fascicle. Pedicels 2} lin. long. Sepals 1} lin. long, 
subulate, puberulous. Corolla 2 lin. long; lobes acuminate, white, 
striped with brown. Coronal-lobes 1} lin. long, erect, filiform, dilated 
at the base. Style-apex pyramidal. 
Nile Land. Somaliland: near Hensa, Ellenbeck, 195; stony slopes of the 
Fulla Valley, Zllenbeck. 
2. Calotropis busseana, K. Schum. in Engl. Jahrb. xxxiii. 
323. Plant about 24 ft. high. Stem stout, tomentose on the young 
parts. Leaves 4-5} in. long, 2-31 in. broad, linear-oblong or elliptic, 
obtuse or retuse, apiculate, truncate at the base, thinly pilose on both 
sides, echinulate-scabrous on the margins, transversely veined ; petiole 
up to 5 lin. long. Umbels lateral at the nodes, about 5-flowered. 
Peduncles up to 4 in. long, subtomentose. Pedicels about 1} in. long, 
subtomentose. Sepals 44 lin. long, subulate. Corolla rotate, greenish- 
violet, about 74 lin. long (7.e., lobes probably about 4 in. long). Coronal- 
lobes arising } line above the base of the staminal-colump, 34 lin. long, 
deeply bifid with a spreading incurved spur. Staminal-column 1# lin. 
long. Follicles subglobose-inflated. 
Mozamb. Dist. German East Africa: Usambara; on the way up from 
Luengera Valley to Sakarre, 2500 ft, Busse, 341. 
1. Xysmalobium decipiens, V. #. Br. Add: YX. Holubyi. 
Schlechter in Baum, Kunene-Samb. Exped. 340. 
10a. Kysmalobium leucotrichum, .V. /. Br. Stem 2 ft. or 
more high, 34 lin, thick at the base, simple, thinly puberulous. Leaves 
spreading; petiole 34-5 lin. long ; blade 47-6} in. long and up to # in. 
broad, lanceolate-oblong or linear-oblong, usually acuminate, auriculate- 
cordate at the base, scabrous on both sides. Umbels lateral, peduncu- 
late, several-flowered. Peduncle 14-2 in. long, suberect, puberulous 
Pedicels ? in. long. Sepals 3 lin, long, ? lin. broad, linear-lanceolate, 
acute, densely puberulous. Corolla campanulate, greenish ; lobes 4 lin. 
long, nearly 14 lin. broad, oblong, obtuse, glabrous on the back, densely 
bearded with white silky hairs on the upper half of the inner face. 
Coronal-lobes shorter than the staminal-column, erect or suberect, 
fleshy, 3-lobed, with a slightly thickened keel on the inner face, the 
obtuse middle lobe overtopping the very obtuse lateral lobes. Anther- 
appendages subquadrate-rounded, very obtuse, inflexed on the style- 
apex.—Asclepias leucotricha, Schlechter in Baum, Kunene-Samb. Exped. 
342. 
Lower Guinea. Angola: by the River Kwebe, 3700 ft., Baum, 3382. 
This is closely allied to Y. dispar, N. E. Br., and may prove to be identical with 
that species. I have not seen it. 
