169 
subviscosum; ovula 3-5-seriata. Mericarpia quorum unum 
saepe hebetatum vel abortivum, indehiscentia, bacciformia, 
globosa vel subglobosa, undique verrucis elongatis vel spinis 
mollibus obtecta (more Daturae, unde nomen), cortice subcoriaceo 
et tunc interdum crasso, raro tenui. Semina ad 20 (rarius plura), 
ellipsoidea i in pulpa mucilaginosa nidulantia; testa crassiuscula, 
spongioso-coriacea, longitudinaliter costata costis transverse 
rugulosis ; endospermium ruminatum, subosseum. Hmbryo coty- 
 ledonibus radiculae subaequilongis planis latis.—Frutices vel 
arbusculae latescentes, glaberrimae, furcato-ramosae, ramis anno- 
tinis cortice pallido laevi vel verrucoso et rugoso-striato. Folia 
opposita, papyracea, laxe nervosa, breviter petiolata ; petioli 
ramis basi acute triangulari insidentes, intus glandulis numerosis 
stipati. Flores in paniculas sparsifloras breves e furcis ramorum 
junioribus ortas dispositi, parvuli albidi vel viridi-flavescentes, 
tubo 6-7 mm. longo, limbo aperto 7-8 mm. diametro. . Fructus 
ochracei vel aurantiaci vel atro-virescentes, plerumque unus 
inflorescentiae ad sepsusmsiring perveniens axi indurato ramulum 
referente suffultu 
pecies $4 omnes Congolensis. 
Folia tenuia 
Folia saturate viridia, lanceolata, longe sensim 
acuminata, acumine acuto, 10-15 cm 
longa, 2-5-5 cm. lata, nervis lateralibus 
utrinque circiter 7; rami plerumque 
laeves; mericarpia ellipsoideo-globosa, 
vag cm. longa, atro-olivacea, cortice 
ri 1. D. lanceolata, 
Folia} walliae: viridia (praesertim subtus), late 
elliptica vel elliptico-oblonga, abrupte 
caudato-acuminata, acumine eari 
obtusiculo, 10-18 cm. longa, 5-5-7 cm. 
lata, nervis lateralibus utrinque 6-7; 
rami rugoso-striati et lenticellato-ver- 
rucosi, mericarpia globosa, 3-5 cm. 
diametro, aurantiaca, cortice crasso ... 2. D. elliptica. 
Folia firmula, lanceolata, 5-10 cm. longa, 
1-5-3-5 cm. lata, nervis lateralibus - 
utrinque 5; rami rugoso-striati et lenti- 
cellato-verrucosi ; mericarpia circiter 2cm. 
diametro, atro-olivacea, cortice mediocri 3. D. firmula. 
ExpianaTion oF Text Ficures I. & II. < 
A Sige #5 raplara utite : A, Part of branch with a pair of leaves and an 
inflo: 2, flower, x. 5; 3, calyx flattened out, x. 10; 
- seh sabe longitudinal section, x. 5; 5, stamen, x. 16; 6, pistil, 
carpel in transverse section, x. 20; 8, a pair of fruits, only 
one > Follicle my covoeed in each case, x. 1; 9, fruit, cut open, x. 1; 
10, seed, x. 4; 11, same in longitu tudinal section. II. 1-4, D. eliptica: 
above the calyx)‘ x. 1; 3, seed, x. 4; 4, seed in longitudinal section, 
x. 4; 5-9, D fcimiia : 5, pair of leaves, x. 1; 6, fruit (mericarp), 
x. 1; 7, same, cut open, x. 1; 8, seed, x. 4; 9, same in longitudinal) 
section. 
