590 ADDENDA. 



6. Landolphia senegalensis, Kotschy d- Peyr. Add : Chevalier 

 in Bull. Mus. Hist. Nat. Par. vi. (1900) 306, 421 and vii. (1901) 425, 

 427 ; Hua in Rev. Cult. Colon, xi. 322-323. 



7. Landolphia florida, Benth. The stem of this liane sometimes 

 attains a diameter of more than 1 foot, according to De Wildeman and 

 Gentil. Add : Chevalier in Bull. Mus. Hist. Nat. Par. vi. (1900) 423 ; 

 Lecomte in Bull. Mus. Hist. Nat. Par. vii. (1901) 196; Hua, in Bull. 

 Mus. Hist. Nat. Par. viii. (1902) 65, 66; Busse in Engl. Jahrb. xxxii. 

 172 ; De Wild, in Etudes Fl. Bas et Moyen Congo, i. 67; De Wild. 

 & Gentil, Lian. Caoutch. Congo, 87, tab. xi., xii. 



Nile Iiand. Add : at Abousliendi, on the Blue Nile, Muriel, 49 ! 

 Var. leiantha, OUr. Add: De Wild, and Gentil, I.e. 89. 



Busse and De Wildeman and Gentil confirm Schlecliter's statement as to the 

 wo:thlessno-s of the latsx of L.Jlorida for the production of caoutchouc. 



13. Landolphia scandens, Didr. Add : Hua in Bull. Mus. 

 Hist. Nat. Par. viii. (1902), 66 ; De W ild. in Etudes Fl. Bas Congo, i. 67. 

 Upper Guinea. '1 ogo : near Lome, Warnecke, 252 ! 

 South Central. Congo Free State : Kasai District, Lubue, Oenfil 



16. Landolphia amoena^ Hua. Add : Ancylobotrys amoena, 

 Cheval. in Bull. Mus. Hist. Nat. Par. vi. (1900) 422. 



18. Landolphia petersiana. Dyer. Add : Dyer in Hook .Ic. PI. 

 t. 2756. L. scandens, Busse in Engl. Jahrb. xxxii. 169-172 (inch 

 vars. rotimdifolia, petersiana, and Tuhevjii). According to Busse, all 

 the varieties enumerated by him yield some sort of caoutchouc, whilst 

 the fruits are edible. 



19. Landolphia owariensis, Beauv. Add : Cheval in Bull. 

 Mus. Hist. Nat. Par. vi. (1900) 424 ; Hua in Bull. Mus. Hist. Nat. Par. 

 viii. (1902) 62-68 and in Rev. Cult. Colon, xi. 322-328 ; Busse in Engl. 

 Jahrb. xxxii. 169; De Wild. & Gentil, Lian. Caoutch. Congo, 51—58, 

 t. i. (not t. ii.). L. Gentilii, De Wild, ex De Wild, k Gentil, I.e. 61, t. iv. 



Upper Guinea. Liberia : Greenville, Sivi, 3 ! 6 ! 8 ! 12 ! 15 !' 17 ! 



Xlle Iiand. Uganda: Dumu Forest, J)att'e, 13 partly ! 



2VIozamb> Blst. German East Africa : Kondelund, Stolz, 94« (ex Busse). 



Acconling to Joiinson (label to No. 811), L. oioariensis is the source of the 

 " white ruliber " of the Gold Coast. 



Var. tomentella Sfapf. Add under Nile Land, Bahr el Ghasal District : 

 between Pongo llivir and Bisihi, Broun ! 



19a. Landolphia (Eu-Landolphia) Dawei, Stapf. A scan- 

 dent shrub, quite glabrous with the exception of the finely rusty- 

 tomento:^e leaf-buds and infloresences ; tendrils unknown ; branches 

 brown, with numerous pale lenticels. Leaves oblong, shortly acumi- 

 nate, subacute or obtuse at the base, 4-8 in. long, lf-2J in. broad, 

 thinly coriaceous, glossy above ; midrib channelled above, prominent 



