18 



4-5 arcuatis a costa angulo 45^ abeuntibus iitrinque^distinctis 

 sed vix prominentibus ; petioli 3-5 mm. longi, robusti^ minime 

 transverse rugosi, leviter pubemli. Flares axillares, glomerati, 

 glomerulLs circiter 10-floris; bracteae oblongo-ovatae, subacute 

 acuminatae, 4 mm. longae, 2 mm. latae^ coriaceae, extra pubes- 

 centes. Calycis segmenta 4, duo ovata^ obtusa, 1-75 mm. lata, 

 duo alterna lanceolata, subacuta, omnia coriacea, intra glabra, 

 extra pubescentia. CoroUae tubus 2 mm. longus, glaber; 

 segmenta pblongo-linearia, apice obtusa et cucuUata, circiter 

 7 mm. longa et 2-5 mm. lata, glabra, marginibus involutis. 

 Antherae subsessiles, 1-75 mm. longae. Ovariura ovoideum 

 1-5 mm, longum, glabrum; stylus breAas, stigmate basi 

 sagittato. 



Tropical Africa. British East Africa: ISTairobi forests, 



1700 m., Battiscombe 517. 



This is a very distinct species more or less distantly related to 

 L. congesta, Baker, from the Cameroons and Gaboon, with which 

 it agrees in its axillary glomerate flowers, but differs markedly 

 in the shape of the leaves and larger flowers. 



r 



1474. Xysmalobium Pearsonii, TV. E. Brown [Asclepiadaceae- 

 Cynancheae] ; affinis X. ivinterhergensi^ N. E. Br., sed foliis 

 longioribus minus crispatis, umbellis 4-5-floris et coronae lobis 

 planis ecarinatis differt. 



Herba 30-40 cm. alta, basi ramosa. Caules vel rami erecti, 

 basi 3-5 mm. crassi, glabri vel unifariam puberuli. Folia 

 petiolata, erecta vel adscendentia, glabra; petiolus l"5-7 cm. 

 longus; lamina 6-15 cm. longa, 3-6 mm. lata, linearia, utrinque 



acuta, marginibus scabris leviter undulatis. Umbellae sessiles 

 vel inferiores pedunculatae, 4~5-florae. Pedicelli l'2-l-5 cm. 

 longi, minute puberuli. Sepala 4 mm. longa, 2 mm. lata, oA:ata, 

 acuta, tenuiter puberula. Corolla fere ad basin 5-1 oba, glabra, 

 virescens ut videtur; lobi patuli, 6-7 mm. longi, 3-3-5 mm, lati, 

 oblongo-ovati, acuti, concavi. Coronae lobi columnae staminum 

 aequilongi, erecti, 3-5-4 mm. longi, 2-5-2-8 mm. lati, oblongi, 

 apice rotundati, emarginati, plani ecarinati. 



SoirTH Afuica^ Little Namaqualand : on the Khamiesberg 

 Plateau, 1500 m,, Pearson 6560. 



The corolla appears to. have been greenish and the coronal lobes 

 ochreous, with a broad median fuscous stripe. 



1475. Cynanchum Pearsonii, N, E. Brown [Asclepiadaceae- 

 Cynancheae]; affinis C, Meyeri, Schltr., sed foliis angustioribus 

 lanceolatis, corollae lobis angustioribus et acutioribus, corona 

 diversa et stylo apice exserto differt. 



Fridex lignosus, ramosus, 1-1*3 m, altus. Rami late 

 divaricati, subrecti vel leviter sursum curvati, nee recurvi, 



primum mmu 



demum subglabri, pall 



brunneo-ochracei. Folia patula vel deflexa, breviter petiolata. 



carnosa: 0'6-l'5 cm, lone-a 



fe 



mm 



primum 



sime puberula, demum glabra. Flores minuti, 



simplicium vel bifurcatorum parvorum gradatim elongatorum 

 breviter pedunculatorum et 3-8 mm* longorum dispositi, sub- 



