APOCYNACEAE. 



ALLAMANDA Linn. 



Allamanda cathartica Linn Mant. 214. 



Marowyne River, near Albina : Versteeg ii (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. 1 Pulle. 



Pacourea guyanensis Audi. 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- 

 nales 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- 



