NEW AFRICAN PLANTS 211 



vel obtusis nonnunquam apiculatis basi angustatis uninervibus 

 membranaceis supra scabriusculis subtus velutino-pubescentibus, 

 fioribus in axillis solitariis pedunculis velutinis quam bracteolae 

 brevioribus insidentibus, bracteolis ovatis obtusissimis basi levis- 

 sime cordatis 5-nervibus, calycis pubescentis lobis brevibus del- 

 toideis, corollae mediocris tubo bracteolas facile excedente paullo 

 supra basin contracto inde gradatim ampliato lobis quam tubus 

 rnulto brevioribus, antherarum connectivo producto loculo altero 

 basi incurvo-calcarato altero barbato, stylo glabro. 



Hab. N.W. Rhodesia, near Malangushi River, under trees ; 

 Kassner, 2038 a. 



Rhizoraa circa 8 mm. diam., fibras paucas validas sparsissime 

 fibrillosas 5-8 mm. diam. emittens. Folia pleraque 6-8 x 

 3-3-5 cm. Pedicelli circa 1 cm. long. Bracteolae summum 2-3 x 

 1-7 cm., sublaxe reticulato-nervosae. Calyx 2 mm. long. Corolla 

 4-8 cm. long. ; tubus 3*8 cm. long., ima basi 4 mm., paullulum 

 supra basin 2-5 mm., faucibus circa 2 cm. lat. ; lobi suborbiculares, 

 1 cm. long. Antherae fere 3 mm. long. Discus valde incrassatus, 

 1-5 mm. alt. Ovarium 2-5 mm. long. Stylus compressus, 14 mm. 

 long. ; stigma 9 mm. long., ad angulos barbatum. 



T. angolensis S. Moore, the species to which this seems nearest, 

 has a different indumentum, as well as foliage and bracteoles not 

 at all like. The flowers have a deep violet limb and much yellow 

 in the tube. 



Synnema (§ Eu-Synnema) limnophiloides, sp. nov. Planta 

 aquatica glabra, caule repente submerso folioso hac atque iliac 

 ramulos breves ascendentes florigeros ad apicem usque foliosos 

 gignentibus, foliis submersis oppositis multisectis segmentis fili- 

 formibus, foliis normalibus parvis sessilibus oblongo-ovatis obtusis 

 inferioribus nonnunquam pinnatifidis vel saltern margine dentatis 

 reliquis integerrimis firme membranaceis, floribus in axillis superi- 

 oribus solitariis subsessilibus, bracteolis dummodo exstent lineari- 

 oblongis obtusis calyce brevioribus, calycis segmentis inter se 

 subsequalibus lineari-lanceolatis obtusis glabris vel hispidulo-cili- 

 atis, corollae tubo calyce paullo breviore cylindrico (faucibus levis- 

 sime ampliato) labio postico usque ad medium lobato labii antici 

 lobis oblongo-quadratis emarginatis, antheris subinclusis, ovario 

 oblongo-ovoideo obtuso, stylo exserto, ovulis pro loculo 4-5. 



Hab. Angola, Cuito River at Capunda ; Gossiveiler, 3043. 



Caulis fistulosus, ad nodos levissime constrictus, 2-5 mm. 

 diam. ; rarnuli 6 cm. alt. vel minus. Folia submersa summum 

 2*5 cm. long., sed saepe breviora. Folia normalia approximata, 

 + 8x3-5 mm. Bracteola3 2-5 mm. long. Flores verisimiliter 

 albi vel lutei. Calycis segmenta 6 mm. long. Corollae tubus 

 5 mm. long. ; labium posticum quadrato-oblongum, 4x3 mm. ; 

 labium anticum late obovatum, 4*5 x 4 mm. ; hujus lobi 2 x 

 1*75 mm. Filamenta per paria connata ; antherae oblongae, 

 longit. 1 mm. paullulum excedentes. Ovarium 2 mm. long ; 

 stylus 7*5 mm. long. 



This is a very remarkable plant on account of its finely divided 

 submerged leaves, which render it, so far as 1 am aware, unique 



