PHOFESSOB OLIVER ON AFKICAN LENTIBFLARlEiE. 151 



Corolla calcari antrorsum leviter curvulo. A summo corolla; lubii 

 superioris ad apicem calcaris circiter 2\ lin. 

 Wehvitsch, Iter Angolense, no. 258. Distr. Iluilla, "in paluilosis spon- 

 giosis breve graminosis de Morro de Lopollo, semper cum Algis muci- 

 laginosis soeialis ad 5500 ped. alt./' Maio 1860. 



This plant differs from the preceding in the absence of leaves 

 at the time of flowering, its smaller flowers, the upper lip of the 

 corolla about tlie same length as the upper calyx-lobe, and the 

 spur but very little exceeding the lower sepal. It approaches 

 TI. scandens, Benj. and the voluble form of U. Wallichiana, Wt., 



differing from the former in its pedicels, which ascend after 

 flowering ; from the latter in the sepals, which are not acutely 

 cuspidate. It may probably turn out to be a variety of the latter 

 species. 



15. U. MicROPETALA, Smith {A. DC* Prod. viii. 19). 

 Sierra Leone, Afzelius, 1/98. 



Of this very singular species I have seen only the specimen in 

 the Smithian herbarium. It differs from all other African species 

 Kno\^ii to me in the proportionally enormous dependent spur, 

 'vvhich appears to be four or five times as long as the small lower 

 lip of the corolla. 



In Z7. capensis and Z7. Uvida (imder b) the pedicels are some- 

 times fully equal to the calyx In length. 



^ 



Benjamin describes a Tltricularia of Drege's in the ' Linruea * 



(vol. XX. 314) which I am not able satisfactorily to identify, 



although it is apparently well described. Its diagnosis is as fol- 

 lows: 



16. U. LOXGECALCARATA, 5<?«/. "Scapo crassiusculo paucifloro, pedi" 



celli capillaceis bracteis 2-3-plo longioribus, lobis calycis 



sequalibus ovatis obtusis, corollae labio superiore oblongo emarglnato, 

 inferiore vix longiore late rotundato, calcari porrecto recto hneari sub- 



obtuso subdupio breviore. 

 Prom.B. Sp., Drege. Scapus 2.poll. ; pedicelli 1-1 i lin. longi. Corolla 



a summo labii superioris ad apicem calcaris 4-4^ lin/* 



i. Flores sessiles v. subsessiles, v. pedicellis calyce sa;pius brevioribus. 



17. U. LiNARioiDES, Wclwitsck, MS. Scapo stricto erecto (8-16- 

 poU.) ssepius multifloro, floribus majusculis approximatis Mubsessilibus, 

 labio superiore corolla; late quadrato-rotundato retuso calyce multo 

 (ad J-5-plo) longiore, labio inferiore galeato integru calcari cylindrico 



