432 xun. scrophulariace^: (hemsley and skan). [Cycnium. j 



Also in South Africa. 



C. adonense, var. adscendens, Oliver in Trans. Lirm. Soc.'xxix. 123, collected by 

 Speke & Grant in Karagwe, Unyoro, &c, is only a small-flowered form. 



2. C. Verdickii, De Wild. Etudes Fl. Katanga, 125. t. 6. Stems 

 numerous, prostrate, ascending or erect, 5-6-j; in. long, scabridly pubes- 

 scent especially towards the base and on the young parts, furnished with 

 scarious bracts at the base; internodes 5— 7-J- lin. long. Leaves sessile, 

 opposite or subopposite, oblong or oblong-lanceolate, 1-3 in. long (the 

 middle ones usually longest), J-l in. broad, long-cuneate at the base, 

 almost petiolate, crenate-serrate, prominently nerved, with scattered 

 hairs more numerous on the under side, especially on the nerves, scabrid. 

 Flowers solitary or in pairs, slightly supra-axillary. Pedicels 2-6^ lin. 

 long; bracteoles linear, 2J-3 lin. long, entire or 2-toothed, attached 

 under the calyx or sometimes united more or less to it. Calyx tubular, 

 \\- 2 in. long, with scattered Pairs, scabrid; lobes triangular, If- 5 lin. 

 long, acute or subacute. Corolla at first white, soon turning clear blue, 

 at length violet; tube 2i-3 in. long, narrow, straight, glandular- 

 pubescent outside; lobes obovate, about 14 lin. long, the upper about 

 twice as broad as the others and slightly bilobed at the apex. Ovary 

 ovoid, glabrous, compressed. — G. adonense, Hiern in Cat. Afr. PL Wei w. 

 i. 777, not of E. Meyer. 



lower Guinea. Angola : Pungo Andongo ; near Cazella, Welwitseh, 5868 ! 

 Huilla ; near Lopollo, Welwitseh, 5779 ! 



South Central. Congo Free State : Katanga ; Katanga I'lateau, Verdick ; 

 near Lukafu, Verdick, 216, 355. 



3. C. Buchneri, Engl, in Engl. Jahrb. xviii 73. Apparently a 

 perennial herb ; stem procumbent, branched, more than 1 ft. long, 

 minutely pubescent or in places glabrescent ; internodes 2-2^ lin. long. 

 Leaves distant, shortly petiolate, oblong or the upper oblong-lanceolate, 

 2-2—5 in. long, 7J-20 lin. broad, rigid, shining, glabrous below, minutely 

 pubescent chiefly on the nerves at the base and slightly scabrid above, 

 crenate-serrate, acute, with the nerves and densely reticulate veins 

 prominent on both sides especially below ; petioles 1-2 lin. long. 

 Flowers axillary, opposite. Pedicels 5-9 lin. long ; bracteoles linear, 

 1 lin. long. Calyx tubular, 2-2^ in. long, 3|-4 lin. broad, glabrous ; 

 lobes 2-2|- lin. long and broad, rounded. Corolla white, blue-black when 

 dry ; tube 2\ in. long, If -2 lin. broad, glandular-puberulous ; limb up to 

 2\ in. in diam. ; lobes broadly obovate, 1 in. long, nearly 10 lin. broad. 

 Ovary ovoid, 2-2^ lin. long. 



lower Guinea, Angola : near Mudeng, Buchner, 588 ! by the River Quango 

 Teuscz, 516. 



4. C. Camporum, Engl, in Engl. Jahrb. xviii. 73. Stems ascend- 

 ing, often about 1 ft. long, sparingly branched, demely and shortly 

 pilose, leaf y ; branches erect-spreading, sometimes supra-axillary, 4-8 in. 

 long ; internodes l|-2 in. long. Leaves usually opposite or subopposite, 

 sessile or very shortly petiolate, lanceolate to oblong-lanceolate, 1-3J 

 (often 1|— 2) in. long, J-l in. broad, serrulate or crenate-serrate, acute, 



