APOCYNACEAE. 



ALLAMANDA Linn. 



Allamanda cathartica Linn Mant. 214. 



Marowyne River, near Albina : Versteeg i i (fl. July). 



Gonini River: Versteeg 62 (fl. Aug.) 



Tapanahoni River: Versteeg 744 (fl. Aug.) 



Paramaribo: Went 254 (fl. Aug.). 



Para district, near Beekhuizen: Kegel 941 (fl. June); Dr. Voltz wit- 

 hout number. 



Surinam River: Splitgerber 230 H. L. B. 898, 129—36 (fl. Nov.) ; near 

 plant. Domburg: Tulleken 175 H. L. B. 903, 322—1169 and 1407 

 (fl. July); Tulleken 266 H. L. B. 903, 322—1155 (fl. Aug.). 



Saramacca River, near Mindrinetti: Pulle 55 (fl. Nov.) 



Coppename River: Boon 1054 (fl. Aug.). 



Upper Nickerie River: Tulleken 408 H. L. B. 903, 322— 1507 (fl. Sept.) 



Surinam: Hostmann H. L. B. 903, 322—334; Tulleken 138 H. L. B. 

 903, 322—1384 (fl. Aug.). 



Vernacular name: >Jasbita" (Splitg.) or »Anoura" (Boon.) or »Wil- 

 kens-bita". 



LANDOLPHIA Pal. de Beauv. 



Landolphia guyanensis (Aubl.) Pulle. 



Pacourea guyanensis Aubl. Plant. Guyan. I. p. 268 t. 105. 



Rami teretes brunnei glabri, lenticellis crebis conspersi. Folia glabra, 

 opposita oblonga vel ovato-oblonga basi obtusa apice obtuse cuspidata, 

 integerimma, nervis lateralibus margine arcuatis, supra impressis, subtus 

 valde prominentibus. Petioli breves, supra canaliculati. Pedunculi termi- 

 nates vel laterales, volubiles, versus apicem divisi, ramis apice multifloris. 

 Pedicelli calyce sub-aequilongi hirsuti, bracteola parva laciniis calycis 

 breviore suffulti. Calyx ad { latitudinis 5-partitus extus hirsutus intus 

 glaber, laciniis ovato-acutis valde concavis carnosis. Corolla glabra coria- 

 cea dilute flava, tubo calyce multo longiore in parte inferiore ad inser- 

 tionum antherarum paulo dilatato. Lobi tubo paulo longiores valde con- 



