80 bujxetïn DK i/herbiek BOISSIER (2 me SKR.). (Oi0) 



Arrabidœa rhodanlha Bur. et K. Schum. 



FI. Bras. VIII, 2, 44. Arrabidœa prœcox Hassl. in Bull. Herb. Boiss. VI. 



App. I, 25. Bignonia corymbif'era N. E. Brown in Trans. Bot. Soc. Edin. 



XX, 66, non Vahl. 

 . Var. a typica : foliolis ovatis, breviter acuminatis, 5-7,5 cm. longis. 



Liana fruticosa 6-20 m. Corolla rosea. lu dumeto, San Bernardino. Oct., 

 n. 3366; prope Concepcion in dumetis in arenosis saisis, Aug., n. 7174; Asim- 

 cion, Gibert n. 1107. 



Var. ß èllipiicâ : foliolis ellipticis vel late ovatis, vix acuminatis, 3-5 cm. 

 longis. 



1. forma glabrescens : foliis glabrescentibus vel glabris. 



In silvis, Cordillera de Altos, Aug., n. 840; montes of Bio Pilcomayo, 

 Grabam Ken* (Herb. Kew ); near Trinidad, Oct., Morong n. 796. Frutex scan- 

 dens 2-4 m. Corolla rosea. Prope Concepcion in arenosis saisis, Sept., n. 7174« 

 (forma calyce minore). 



2. forma mollis : foliis molli ter pubescentibus. 



Frutex cirrhosus 4-6 m. Corolla rosea. Prope Concepcion in dumeto. Sept.. 

 n. 7435. 



Arrabidœa craterophora Bur. 



Vidensk. Meddels. naturhist. Foren. 1893, 100; FI. Bras. VIII. 2. 66. 



Liana fruticosa 8-12 in. Corolla rosea. In silva prope lacum Ypacarai, Aug.. 

 n. 3146. 



In sppcimine mihi communicata flores deerant, sed habitum propler hujus 

 speciei esse exislimo. — T. A. S. 



Arrabidœa tri plinervia H. Bai 11. 



Hist. PI. X, 28 in adnot.; FI. Bras. VIII, 2, 67. 



Liana fruticosa 3-18 m. Corolla alba. In silva Cordillera de Altos, Febr., 

 n, 3931: ibid. in dumetis, Jan., n. 2979: in dumetis San Bernardino, Febr., 

 n. 3930: in decli vis in ter rupes prope Cordillera de Altos, Jau.. n. 31; prope 

 Concepcion in dumetis. Sept., n. 7540. Corolla alba, interne rubro-striata; ad 

 marginem silvae, Cordillera de Altos. Jun., n. 3019; ibid. in silva, Febr., 

 n 3929: prope Concepcion in dumetis, Sept , n. 7540a. Corolla vinosa; in 

 silvis prope Bellavista in regione cursus superioris fl. Apa, Jan., n. 8371; in 

 valle lîuminis Y-aca, in silvis prope Chololo, Dec, n. 6859. 



Obs. I cannot satisfactorily separate distinct varieties in the fine séries of 

 spécimens of this species collected by D r Hassler, The variations in the colour 

 and size of the corolla are not correlated wilh those of the size and shape of the 

 calyx, and there is every transition between the extreme forms. 



Petastoma samydoides Miers. 



Proc. Boy. hort. Soc. London, III, 194; Fl. Bras. VIII. 2, 78. 



. Liana fruticosa 6-8 m. Corolla vinosa. In silva prope fl. Capibary. Dec. 

 n. 5946; in silvis prope fl. Corrientes, Dec, n. 5854. 



Adenocalymma bracteatum P. DC. 



Prodr. IX, 200; Fl. Bras. VIII, 2, 90. 

 Liana fruticosa 10-12 m. Corolla vitellina. In silva, Ipe-hu, Oct., n. 5141. 



