ADDENDA. 



lU4g 



X.ower Guinea. Gaboon : near Libreville, Klaine, 631 ! Jol/i/, 163 ' aiul 

 without precise locality, Thollon, 81 1 



To follow B. Zanzibar ensis, Vatke & Pax, from which it may be distiDguished by 

 its narrower cuspidate-acuminate leaves, which are cnneate at the base, and have 

 indistinct tertiary nerves. 



13. Bridelia Neogoetzea, Gehrm. Add : Mildbr. Wiss. Deutsch 

 Zentr.-Afr. Exped. ii. 451, t. Ivii. 



South Central. Belgian Congo: west side of \\\x\\e\\zox\, Mildbraed 2684 

 2696. 



1. Cleistanthus Holtzii, Pax. Add : 

 XlXozamb. Slstr. Portuguese East Africa : Pungoue Valley, I'asse, 325 ! 



4a. Cleistanthus gabonensis^ Ilutchinson in Ktw Bulletin, 

 1912, 832. A tree 18-30 ft. high; branches with roughish bark 

 marked with numerous conspicuous leuticels, shortly pubescent ; young 

 branchlets spreading, angular, pubescent or at length nearly glabrous. 

 Leaves oblong or oblong-elliptic, caudate-acuminate, acumen about 

 J in. long, subacute, rounded at the base, 2^4J in. long, \\-'2. in. broad, 

 chartaceous or thinly coriaceous, often somewhat glaucous-grey on the 

 upper surface, brownish or pale green below, glabrous and dull on both 

 surfaces ; lateral nerves 4-6 on each side, arcuate, looped and gradually 

 fading near the margin ; tertiary nerves slender, subparallel, rather 

 close, distinct ; petiole about 2 lin. long, strongly transversely wrinkled, 

 shortly pubescent ; stipules not seen. Flowers moncecioiis, in axillary 

 fascicles of 3-4, usually one female and the remainder males, all sub- 

 sessile. Male flowers: Sepals ovate-lanceolate, subobtuse, 2J lin. long, 

 1 lin. broad, densely rusty-tomentellous outside, glabrous within. 

 Petals oblanceolate, subacute, about § lin. long, fleshy, glabrous. Disk 

 rather small, fleshy, pubescent. Stamens 7-10 ; filaments very short ; 

 anthers IJ lin. long, glabrous. Rudimentary ovary densely rusty- 

 villous. Female flowers : Sepals and petals as in the male. Disk 

 rather thin, long-villous on the margin and within. Ovary densely 

 rusty-villous ; styles tomentose, multifid. Capsule trilobed, nearly \ in. 

 long and about | in. in diam., densely rusty-villous, with an under- 

 coating of shorter crisped hairs. Seeds about 3J lin. long, slightly 

 shining. 



Iiower Guinea. Gaboon: around Libreville, .£'/ai»e, 3422 ! 34321 

 Very similar to C. bipindensis. Pax, from which it can scarcely be separated 

 except by dissection and comparison of the ttoAcrs. It differ:* in its subsessiie 

 flowers, smaller and tiiinner male and female disks, more numerous stamens, und 

 larger subsessiie anthers. 



5a. Cleistanthus racemosus, Pierre MSS. ex, Hutchinson. A 

 tree 20-25 ft. high, with a trunk 16 in. in diam.; tranches glabrous, 

 except when quite young. Leaves ovate-elliptic, oblong-elliptic or 

 rarely lanceolate, caudate-acuminate, acumen about 4 lin. long, obtuse, 

 rounded and slightly unequal-sided at the base, 2-4J in. long, ^-2 in. 

 broad, subcoriaceous, entire, glabrous and distinctly reticulate on both 



