198 
The fruit and its dehiscence were well described by Gaertner* 
as long ago as 1791 in the following words :— 
‘‘Capsulae tres, ope corticis communis in fructum triquetrum, 
rotunde trialatum ac trifariam dehiscentem coadunatae. Cortex 
tenuis, ex epidermide fugaci et reticulo fibroso capsularum dorso 
incumbenti compositus. Capsulae partiales crustaceae, durius- 
culae, ad utrumque suum marginem in alam _ rotundatam, 
G. longispicata was described by Engler in Pflanzenw. Ost.- 
Afr. C. p. 256 (1895) and is widely distributed in Tropical East 
Africa. In the same work Engler recorded G. pannigera from 
the Zambesi Region; this species is a native of Madagascar, and 
was not previously known to occur in Africa. Confirmation of its 
: ; le G. Sereti was described by 
De Wildeman in Ann. Mus. Congo, Sér. V. ii. p. 46 (1 
pr appears t confined to the Belgian Congo. e 
ra Sister characters of the five species may be summarised 
tek . weer etala, Hemsl.—Ramuli  puberuli. _—Petiolu 
em. longi. Folia subtiliter (rarius manifeste) crenulata, 
2. G. longispicata, 7 ee i 
cae » Engl.—Ramuli juniores ferrugineo- 
memnphng. vetustiores glabri. Petioli 1-4 on longi. é 
ily ata, subtus dense tomentosa; nervi laterales 5-7. Pedicelli 
ongi. Calyx extra tomentosus. Petala calycis lobis 
*G : 
ami” De Fructibus et Seminibus Plantarum, ii. p. 187 t. 120, fig. + 
