150 PROFESSOE OLIVER OK AFRICAN LEKTIBLLARIE-E. 



gard it as a variety, were it not that the lower lip of the corolla is 

 described as 3-lobed. 



13. U. PREHENSiLis, E, Meyer, Comm. 282. Scapo (3-6 unc.) erecto 

 V. volubili 2^-floro, pediceUis erectis, corollse labio superiore angusto 

 oblongo obtuso integro v, leviter retuso calycem 2-plo superante, labio 

 inferiore arrecto basi infra palatum angustato calcari dependente subu- 

 lato-conico saepius leviter ahtrorsum curvulo acuto sequilongo. — *' Her- 

 hula rhizomatecaespitoso tenui albidofragilivesiculifero et foUifero,folus 

 erectiuseulis lanceolatis vel Hgulatis, basi longe in petiolum attenuatis, 



. Scapi saepius 1-3 aggregati 2-6 flori. Flores crocei 



labium inferius obcordatum, patens, disco profunde 4-canaliculato, 

 gibboso cristatum." Calcar lobo inferiore calyeis 2-3-plo longius. 

 Capsula calyce accrescente brevior. Semina matura anguste ovoidea 

 tuberculata. A summo labii superioris coroUae ad apicem ealcans 

 circiter 7 (6-8) lin. Pedicelli 3-4 lin. longi. 

 Welwitsch,IterAngolense, no. 261, Distr. Huilla, "in uliginosis sylva- 

 tieis editis locis spongiosis de Morro de LopoUo (circa 5400 ped. alt.)> 

 socialis cum Xyrideis et Lycopodiaceis. Etiam in summis pascuis 

 prope Humpata/* Apr, 1860 ! Prope Omsancaba, Drege, no. 4839, 

 in herb. Hook. ! 



This species resembles IT. WallicJiiana of India, and might be 

 taken for a large-flowered variety of it. It differs in its less 

 acutely cuspidate calyx-lobes, the upper lip of the corolla twice 

 as long as the upper calyx-lobe, and tuberculate seeds. 



^. parvijlora. Scapo gracillimo, floribus minoribus, coroUse labio supe- 

 riore calycem paulo excedente ovato-rotundato. Flores flavescentes 

 unicolores (Welwitscb). Corolla a summo labii superioris ad apicem 

 calcaris circiter 3 lin, 



Wehvitsch, Iter Angolense, no, 264. Distr. Pungo Andongo, "in uli- 

 ginosis ad ripas rivuli * Casa late ' ; in praeruptis de ' Pedra Songue. 

 Feb. and Apr. 1857."! On rocks in the rivers of the Sierra del 

 Crystal^ Mann (July 1862) in herb. Hook. I 



14. U. TORTiLis, Welwitsch, MS. Scapo (4-6-unc.) volubili 1-5-floro, 

 pedicellis gracilibus adscendentibus calycem sequantibus, coroUae fla- 

 vescentis labio superiore integro calyci subaequilongo, calcari de- 

 pendente conico acutiusculo calycem paulo excedente labio inferiori 

 corollae arrecto subaequali. — " Terrestris, radicis fibrillis albidis carno- 

 sulis ramulosis ramellis subcompressis hinc inde vesicula terminatis; 

 foliis tempore florifero evanidis. " Scapus filiformis digitalis spira- 

 liter circa culmos Cyperaceanxm volubilis 1-4-florus. Corolla flaves- 

 cens ; labium superius integrum intus verticaliter purpureo-strlatum ; 

 labium inferius subintegrum, gibbo-luteum, peripheria albido-flaves- 



cens Capsula (submatura) calyce omnino tecta." Bract€(B 



minutae ; bracteola saepe desunt. Calyx lobis subaequalibus vix acutis- 



