230 ENUMERATIO ACANTHACEARUM. 



Hab. In dumetis ad sylvarum oras de Monino distr. Huilla, 

 et sat frequens in pascuis et pratis parcius graminosis imprimis ad 

 rivul. ripas exiinie evoluta ad Rio de Catete distr. Pungo Andongo, 

 necnon in collinis siccis ad sinistrum Eiv. Caringa distr. Ambaca. 

 (Nos. 5080, 5096, 5112, 5163, 5061, 5219.) 



Herba nunc simplex 1-2 pedalis, nunc ramosissima 2-4 pedalis. 

 Folia quaternatim verticillata, plerumque quam maxime inaequalia, 

 minora circiter 1-0 cm. long., deltoideo-triloba, lobis apice spinuloso- 

 pungentibus. Calycis lobi interiores integri. Flores caerulei vel 

 fere cyanei. 



In making this determination I feel most uneasy about the 

 dimorphic leaves ; these, however, seem to be absent in one of the 

 specimens, which is not the only point of discrepancy between 

 these latter. Whether, however, they be rightly referred to 

 Klotzsch's species or not, they must all, I think, belong to one 

 and the same species. 



B. boerhaai'ifolia, Nees. 



Hab. In dumetis arenosis inter Lopollo et Erne distr. Huilla ; 



itaque in distr. Loanda sine loci indicatione. (Nos. 5054, 5129, 

 5199.) 



B. cuANZENsis,Welw. MSS. Caule ascendente diffuso sparsissime 

 hirsuto-piloso, foliis subcoriaceis 4-6-natim verticillatis in verticillis 

 inaequalibus vel subaequalibus lineari-lanceolatis vel lanceolatis 

 acutis vel acutiusculis sparsissime hirsuto-pilosis interdum fere 

 glabris siccitate brunneis, spicis mediocribus gracilibus, bracteis 

 ovatis superioribus late oblanceolatis obtusissimis spinulis debilibus 

 elongatis patentibus copiose munitis cano-villosulis, floribus 

 solitariis h©te purpureis, calycis pilosi segmento postico integro 

 antico conspicue 2-nervio acutissime 2-dentato, corollae limbo 

 breviter 3-iido, filamentis incrassatis antheris 1-locularibus, capsula 



i 



Hab. In sylvestribus apertis petrosis juxta ripas fl. Cuanza 

 prope Mopopo Distr. Pungo Andongo. (No. 5101.) 



Herba perennis, caule elongato, ramoso, procumbente. Folia 

 2-5-8-0 cm. long., sessilia. Spicse 2-5 cm., earumque spinulae 

 atratae 0-5 cm. long. Calycis segmentum posticum 0-7 cm. long., 

 nervosum. Corolla intense flava extus puberula ; limbus intus 

 pilis numerosis brevibus decurvis notatis. 



Nulli nisi B. boerhaavifolia Nees proxima, quae ob folia membran- 

 ncea siccitate viridia, spicas minores, bracteas diversas, corollae 

 minoris baud puipureae limbum conspicuius lobatum nostra a 

 planta longe distat. 



Var. leptoplujlla. Humulis, foliis linearibus ad 7-0 cm. long, et 



longioribus, tloribus intense casruleis. 



paullo 



Hab. Inter Lopollo et Catumba distr. Huilla itaque in sylvis 



505G.) 



^uilongues. (Nos. 5053, 



No. 5030 videtur esse hujus speciei specimem valde iinina- 

 turarn. 



