48 LXXXIV, APOCYNACEA (STAPF). | Landolphia-. 
775, 780; Warb. in Tropenpi#l. iii. (1899) 222, and Kautschukpfl. 11& 
partly ; Sadebeck, Kultuig. Deutsch. Kolon. 272 partly? Henriques, 
Kautscbuk, Tab. iv.; Schinz in Mém. Herb. Boiss. x. 1900, 57; Hook- 
Ie. Pl. t. 2756 ined. JL. petersiana, vay. crassifclia, Dewevre, lc. 29 
partly; Engl. Glied. Veg. Fl]. Usambaia, 26; Mikosch in Wiesner, 
Rehstcfre, cd. 2,1. 862, not of K. Schum. ZL. petersiana, var. rotundifolia, 
Dewevre, le. 30. L. scandens, vars. petersiana, rotundifolia, and stuhl 
manniana, Hallier f. Kautschuklianen in Jahrb. Hamburg. Wissensch . 
Anstalt. xvii. (1890), 3. Beih. 82, 83. L.senensis, K. Schum. in Eng]. 
Pfi. Ost-Afr. B. 453. <Ancylolothrys petersiana, and var. forbestana, 
Pierre in Bull. Sce. Linn. Poris, 1898, 91; Schinz,J.c. A. rotundifolia, 
Pierre, lic. 92. Willughbeia petersiana and W. senensis, Klotzsch in 
Peters, Reise Mossamb. Bot. 1. 281, 282. 
Wile Land. British East Africa: Mombasa and vic'nity, Kirk! Giryama 
and Shimba Mountains, Taylor! Kilimanjaro Expediticn, 30-40 miles from the 
sea, Johnston ! 
Mozamb. Dist. Zanzibar, Stuhlmann, 475, 828, 340, 352; Schmidt, 12° 
German East Africa: foot of Kilimanjaro, at Kilema, 3000-40CO ft., Kersten ” 
Usambara; Amboni Hill, Holst, 2563! Tanga, Volkens, 173! Pangani, Stuhlmann, 
154! 66! Usaramo; Bagamoyo, Kirk! Stuhlmann, 12! 213! 242! Dar es Salaam. 
Stuhlmann, 7845! 7727! 7501! 7856! 7318! Msoroa, 160 ft., Hedde, 21! 
Messcga, Stuhlmann, 6052! Kikulu, Stuhimann, 6798! 6849! Kidenge, 
Stuhlmann, 6365! Dunda, Stuhlmann, 6509! Dilangito, Stuhlmann, 6657! Kirwale 
Forest near Mafisi, Busse, 58! Msenga-Kwa-Pundugurn, Busse, 100! Useguha. 
Stuhlmann, 7094! Usagara ; Sima Valley, Busse, 202! Portuguese East Africa = 
Zambesi Delta; Kongcne River, Kirk, €09! banks cf the Luabo River, Kirk. 
27! Lower Zambesi; tetween Lupata and Sina, Kirk! near Sena, Peters! Kirk ! 
Var. 8 schweinfurthiana, Stapf. Young branches and inflorescences densely 
rusty-velvety. Leaves elliptic-oblong or oblong; shcrtly acuminate, rounded or 
subacute at tl.e base, 2~3 in. long, slightly cver 1 in. broad, pubescent on loth sides. 
Corolla-tube 43-63 lin. Icng ; lobes 34 (in mature ?)-6 lin. long—L. scandens, vars- 
schweinfurthiana and rigida, Hallier f. }.c. 81. 
Mile Land. British East Africa: Jur; Wau, Schweinfurth, 1685 | Kurshook 
Ali’s Seriba, Schweinfurth, 1759. Bongo; Biselli, Schweinfurth, ser. iii. 67. 
German East Africa: Karagwe ; rather dry hills, 4000-5000 ft., Scott-Elliot, 8167 ! 
Unyamwezi; Tabora, Stuhlmann, 586. 
Var. y rufa, Stapf. Young branches and inflorescences densely rufo-tomentose - 
Leaves oblong-elliptic, rounded at both ends, 14-24 in. long, $-11 in, broad, sparingly 
pubescent above, curled-tomentose below; secondary nerves 5-6 on each side. Corolla- 
rs about 3 lin. long ; lobes 44-54 lin. long.—L. scandens, var. ? Hallier f, 1.c- 
Mozamb. Dist. Portuguese East Africa: Lower Zambesi; Tete, Kirk! 
British Central Africa: Nyasaland, Buchanan, 437! 
Var. 6 angustifolia, Stapf. An erect shrub with divaricate branches, and tendrils 
from the bianch-forks ; young branches rusty-pubescent, short, the older ones greyish- 
brown, rough with lenticels, Leaves oblong to Janceolate-oblong, subacute or obtuse, 
more or less obtuse at the base, 14-2 in. long, 4-8 lin. brcad, thinly coriaceous, rigid, 
glabrous on both sides (except for seanty pubescence on the midrib when young), pale 
green ; secondary nerves 5-6 cn each side, ratler prominent; reticulation faint. 
Panicles small, often reduced to a single cluster. Corolla only seen in bud; 
tube almost glabrous, 2 lin. long; lobes 23 lin. long (K. Schumann}. Ovary densely 
and very minutely tomentose in the upper part—L. scandens, var. angustifolia, 
