152 PKOrESSOll OLIVER OK AraiCAK LENTIBrLAlllEiE. 



subulato antrorsum falcato-curvato acuto sequilongo. — Folia obovato- 

 spathulata Icmgc petiolata (tempore florifero sa^pe evanida). Scopus 

 mterdum furcatus, squamis baslfixis minutis retnotis paucis instructus, 

 rachi iuter fiorcs sa^pe flexuosa internodiis 3-9 I'm. longis. Bracte^ 

 bracteolaique basifixae suba^quales pedicellos brevissinios sequantes. 

 Calyx lobis sequalibus, rotundatis, concavis. Corolla "intense pur- 

 purea, palato flavo-velutina," calcari acuto v. acutiusculo labio infe- 

 riore a^qui- v. subsequilongo. Capsula globosa corolla marccscente 

 obtecta. Semina minutisslma. A summo pedicelli ad apicem calcans 

 4-6 lin- 

 Welwitsch, Iter Angolense, no. 266. Distr. Huilla, "frequens in spon- 

 giosis juxta rivulos totius agri Lopollensis mox post pluvias vernalcs 

 (ad 5000-5200 ped. alt.)/' Oct. 1859 ! 



18, U. Welwitschii, sp. nov. Scapo stricto erecto ad 5-12 poll, longo 

 multifloro (5-16-floro), floribus aurantiacis sessilibus v. subsessilibus, 

 corollse labio superiore erecto late ovato-rotundato obtuse integro la- 

 teribus reflexis calycem fere duplo excedente, calcari subulato-cyhu- 

 drico antrorsum curvato acuto labio inferiore fere duplo longiore, cap- 

 sula globosa calycem paululo superante. — " Folia laxe rosulata elon- 

 gato-spatbulata, in spec, floriferis rarius obvia. Calycis lobi flaves- 



ccntes(?) rubro marginati obtusi, inf. quidquara denticulatus. Corolla 

 flava; labia sup. et inf. purpurascentia; palatum aurantiacum ; calcar 

 livido-purpureum acute conicum antrorsum et sursum flexum. Scapus 

 constanter tlexuosus in ejus parte fvuctifera." Scapus squamis mi- 

 nutis paucis basifixis instructus. Floribus, sub lente, minute puberubs. 

 Calyx lobis aequalibus rotundatis. A summo corollae labii sup. ad 

 apicem calcaris circiter 3 lin. 

 "VVehvitsch, Iter Angolense, no. 263. Distr. Huilla, *' in pascuis uligi- 

 nosis .... t . sat frequens circa LopoUoj*' Nov. et Dec. 1859! 



The scape is sometimes braiiclied, the flowers alternating usually 

 at iutervak of 4-0 lines, though frequently approximated, along 

 one-third to half of its length, 



19. U. FiRMULA, IVelwitsch, MS. Scapo stricto erecto (ssepius 4-/ 

 unc. longo) multifloro, floribus parvis sessilibus, labio superiore corollse 

 calycem superante apice bifido lobulis obtusis, calcari sursum infundi- 

 buUformi, dependente v. leviter antrorsum obliquo acutiusculo labio 

 inferiore 3-lobulato parvo longiore. — " Scapus e foliorum radicaliuni 

 rosula erectus, simplex v. biftdus pro more sat firmus. Folia obovato- 

 spathulata. Labium (corollse) superius flavicans, bilobum; inferius 

 aurantiacum palato intense aurantiaco-rubro." Scapus squamis nn- 

 nutis paucis basifixis instructus. Calyx lobis sequalibus rotundatis. 

 A summo corollae labii sup. ad apicem calcaris 1^-2 lin. 

 Welwitsch, Iter Angolense, no. 262. Distr. Pungo Andongo, **in hu- 

 s piidis sylvaticis breve gramioosis prope Sansamanda ad dextram fluni' 



