598 



CONYOLVULACEAE Vent. 



Batatas Ruraph. — Chois. 

 1. Batatas cissotdes Chois. Conv. or. p. 55. DC. Prodr. 

 /X. p« 339, Convolvulus calycinus //. B, K, Nov. Gen, 

 III, p. 109, qiiornin descriptio plane congrua, pracsertim 

 qiioad folioloruin formara, qiiae obloiiga laiueolato -oblonga 

 acutninato-cuspidata rectius quam ovata aculiuseula submu- 

 cronata dlciintiir. 



Crescit in areuosis in Orellanakreek, ad plant. Zwarii^- 

 hcid. 



Calonycti o u Chois. 

 1. Calonyction speciosum Chois. Conv. or. p. 59. DC, 

 Prodr. IX. p, 345. var, a. — Crescit prope Paramaribo. 



Ipomoea Liun. ex eraeud. Chois. 

 1. Ipomoea pes caprae Sweet, — Chois, DC, Prodr. IX, 

 p. 349, Ip. brasiliensis Mey. Esseq, p. 97. 



Crescit in littore maris prope pl. Zwarigheid, 

 2,. Ipomoea halophila, Ramis spougioso- medullosis niti- 

 dis, foliis carnosis glabris subaveniis elongato- siiblauceolato- 

 oblougis obtusis vel subretnsis, basi subcordaiis, tnincatis 

 Tel atteuuatis, sabfalcalim antrorsum coinplicatis, lloiibus in 

 ramulis abbreviatis, 2 — 3, pediuieiilis pelioios aeqnantibus 

 vel superantibus, basi bracleolatis, sepalis 2 exterioribus au- 

 gusle elliplicis mucronalis viridibus, 3 interioribiis latioribus 

 subraucronatis raorabranaceis pallidis^ corolla subcampaniilata 

 alba. 



Crescit in liltore maris ad Vredeubiirgerkreek, m, Ocl. 



Species singularis (ad §. 2. siiffrnticosas pereunes in 



DC. Prodr. IX, p. 355.) J. SchomhurgJcii et J. junceae 



Chois. qnodammodo accedens. Caules spartei apbjlli, foliis 



floribusque e ramulis brevibus dissitis subfasciculatim exorlis, 



