Acanthonema.] XCV. GESNERACER (BAKER AND CLARKE). 503 
reduced to rudimentary filaments. Capsule 4-1 in. long. Seeds and 
pollen as of Streptocarpus.—C. B. Clarke in DC. Monogr. Phan. v. 157; 
Fritsch in Engl. & Prantl, Pflanzenfam. iv.3 B. 156. Carolofritschia 
diandra, Engl. in Engl. Jahrb. xxvi. 362. 
Upper Guinea. Fernando Po, 200-2000 ft., Mann, 569! Cameroons : 
Cameroon Mountain, 5000 ft., Mann, 1948! Efulen, Bates, 391! near Lolodorf, 
2400 ft., Zenker, 1381! Staudt, 118! 
4, DIDYMOCARPUS, Wall.; Benth. et Hook. f. Gen. Pl. ii. 1021. 
Capsule-valves in dehiscence straight, not twisted spirally ; otherwise 
as Streptocarpus.—In this one species of Tropical Africa, stem elongate 
with opposite leaves ; inflorescence axillary, shorter than the petioles. 
Species 90, mostly in South-east Asia, with 3 or 4 in Madagascar, and the 
following c 
1. D. kamerunensis, Hngl. in Engl. Jahrb. xviii. 79, tt. 4-5, fig. 
F. Stem weak, branched, 1 ft. long; stem and branches freely 
Tooting. Leaves up to 24 by 1} in., ovate, subentire, obtuse at the’ 
base, thin, with very few hairs; nerves 7 pairs; petioles 1-2 in. long. 
Pedicels axillary, }-} in.long. Calyx 4-4} in. long; lobes linear-oblong, 
with many-celled white hairs. Corolla 4 by } in., yellow, urceolate ; lobes 
very short. Stamens 2. Ovary minutely puberulous, not hairy. 
Capsule % in. long, linear. 
Upper Guinea. Cameroons; Barombi, Preuss, 951! 
The only example at Kew has no corolla; and much of the above description is 
copied from Engler, As regards the stigma, it appears t» me shortly and unequally 
2-lobed, asin Chirita, and not exactly as figured by Engler. The habit of the 
Species also is much as that of the small Chiritas. 
». TRACHYSTIGMA, C. B. Clarke in DC. Monogr. Phan. v. 131. 
Style with 2 short-oblong papillose lobes. Capsule-valves not 
Spirally twisted. Otherwise as Streptocarpus, Sect. Unifoliate. 
Species 1, endemic. 
1. T. Mannii, (. B. Clarke in DC. Monogr. Phan. v. 131, t. 14. 
Leaf (a permanent cotyledon ?) 1, spreading flat, sessile, cordate-ovate, 
38~5 in. in diam., or growing out to 18 in., subentire, pubescent. 
Peduncles 1-4, 2-4 in. long, carrying many flowers in a loose panicled 
tyme; pedicels 4-1 in. long, glabrate; bracts at the divisions 3 in. 
long, oblong, or wanting. Calyx } in. long; lobes oblong, ending in a 
gland. Corolla 1 in. long, purple. Ovary glabrous; summit of style 
Scabrid. Capsule 3 in. long, linear.—fettlera Mannit, Fritsch in 
Engl, & Prantl, Pflanzenfam. iv. 3 B, 148. 
Upper Guinea. Gaboon: Sierra del Crystal, Mann, 1682! 
