454 MISS L. S. GIBBS ON THE 
An ercet herbaceous perennial, 3 dm. high. Type specimen 
from the Mangwe River, S. Rhodesia (Baines, Herb. Kew.). 
This is the second record for this plant. 
SARCOSTEMMA VIMINALE, Jt. Br. 
Matopo Hills, general. Fl. Oct. 259. 
Distrib. Upper and Lower Guinea, Nile-land, Mozambique 
District. 
A leafless liane, forming matted masses on trees, or spreading 
over rock-surfaces. 
LOGANIACES. 
NUXIA VISCOSA, Sp. nov. 
Arbor, dense ramosa, ramis junioribus densiuscule glanduloso- 
pubescentibus, mox glabratis; cortice sublaxo longitudinaliter 
striato; foliis ternis, breviter petiolatis (petiolis dense glan- 
duloso-pilosis) late obovatis, apiee rotundatis mucronulatis, basi 
rotundatis, subehartaceis utrinque glanduloso-pubescentibus, 
ineequalitur dentatis, margine glanduloso-ciliatis, nervislateralibus 
utrinque 3-5, supra inconspicuis, subtus sat prominentibus, 
glanduloso-pilosis ; floribus albidis, in eymis breviter pedunculatis 
sublaxis foliis circiter zequilongis ramulos ultimos terminantibus 
glanduloso-pubescentibus dispositis; bracteis setaceo-subulatis, 
glanduloso-pubescentibus ; pedicellis calyce brevioribus ; calycis 
glanduloso-pilosi tubo anguste cylindrico, lobis tubo plane 
brevioribus; corolle lobis oblongo-ovatis, dorso puberulis: 
antheris exsertis horum loculis confluentibus, subparalleli- 
divergentibus; ovario dense sericeo; stylo exserto obtuso; capsula 
ignota.—Sp. N. pubescenti, Sond., affinis abs qua differt foliis 
majoribus, latioribus, glandulosis neenon manifeste dentatis, 
cymis brevioribus, calyce angustiore. Ab omnibus congeneribus 
distinctissima ob folia lata dentata glanduloso-pubescentia. 
Hab. Matopo Hills, near American Mission and on the Silozi. 
Fl. Oct. 246. 
The petiole varies from 3-5 m. in length, the lamina of the 
leaf is from 4°5-5 em. long and 3°3-4°3 em. broad; the common 
peduncle of the terminal cymes is only 5 mm. long, the eymes 
are + 6 em. broad and 4 em. long, the flower-pedieels are + 2 mm. 
long; the ealyx-tube is + 2 mm. long and | mm. broad, the 
lobes are 14 mm. long and just over 1 mm. broad at the base; 
the filaments are + 3 mm. long and the anthers + 14 mm. long; 
