ICOXES PLANTAKUM. 19 



Hab, Burma ; hills near Prome, WallicJi. 



BamuU gracillimi, plus minus bifariam pnberuli. Folia 1-2 poll, 

 longa, ^—^ poll, lata, utrinque sed subtus precipue puberula, demam 

 glabra, costa obscura, nervis paucis valde obllqais, basi 3-nervias. 

 Pedunculi ^-^ poll, longi, capillares, ad rarnos ramulosque 2-bracteati, 

 pedicellis ^-^ poll, longis. Alahastra truncafca. Sepala pubescentia. 

 Corolla ^ poll, diametro ; tubo calyce vix longiore, lobis glaberrimis. 



A very singular genus, allied to Marsdeniay but difFering from it and 

 from every other Indian ones of the Order known to me in the doubling 

 down inwards of the corolla-lobes in bud, as in Ichnocarpus and other 

 genera oi Apocynece. The column is excessively minnte. — J, D. H. 



Fig. 1. Flower. 2. Sepal. 3. Corolla laid open. 4. Staminal column. 5. Pollinia, 

 All greatly enlarged. 



Plate 14'24. 



IPOM-ffiJA RIEDELIANA, Olw. 

 CoNVOLVULACE^j Tribe Convolvule^. 



I. Riedeliana, Oliver^ sp, nov, ; glaberrima, ramulis teretibus Isevibus, 

 foliis ovato-cordlformibus acuminatis margine leviter undulatis, 

 petiolis lamina brevioribus, cymis pancifloris axillaribus pedunculatis, 

 pedicellis sub flore dilatatis, sepalis subeequalibas coriaceis rotandatis 

 concavis mucronatis, corolla campanulata limbo hand explanato 

 breviter 5-lobulato lobis dorso et infra dense pilosis, ovario glabro disco 

 annular! cincto biloculare, loculis 2-5-ovalatis. 



Hab. Island of Burn, Indian Archipelago, Mr. Eiedel (com- 

 municated through Dr. Meyer, of Dresden). 



2-4 



^1 



1-1^ poll, longus. Flor 



sursum valde incrassati. Sepala f poll, longi. Corolla calyce duplo 



V. subtriplo longior. Styhis elongatns, gracilis; stigma capitatum, 



bilobulatum. Fructus ... 



A singular plant, which I cannot identify, presenting the excep- 

 tional character of more than 2 ovules in at least one of the two cells 

 of the ovary. I have not seen ripe seeds. — D. Oliver. 



Fig. 1. Base of corolla, laid open, with the stamens. 2. Pistil and disk. 

 3. Transverse section of ovary. (The ovules are basal and ascending : I am not sure 

 that 4 occur in each cell. I have, however, found 5 in one, an aberration unusual in 

 Ipamcsa,) All oilurged. 



