96 
HISTOLOGIE COMPARÉE DES ÉBÉNAGÉES 
implentes. Nervorum lateralium nervique medii fasciculi non 
immersi, vagina fibrosa continua inclusi. Petioli fasciculus arcua- 
tus, vagina fibrosa subcontinua inclusus. Crystalla illuminatoria 
nulla. 
Caiilis. — Periderma subepidermide. Crystalla clinorhombica in 
parenchymate. Yasa cum punctatione areolata et cum diaphrag- 
mate foramine ovato perforato. 
D. — DIOSPYROS [Dalech. Hist. Lib. III, cap. xxi, p. 349 (1587).] 
a. ) Notæ e morphologie. — Flores diæci, rarius,monæci v. poly- 
gami, 3-7 sæpius 4-5 meri, cymosi. Calyx lobatus v. rarius trunca- 
tus, in fructu sæpe accrescens. Corolla lobata ; lobis obtusis v. ra- 
rius acutis in præfloratione sinistrorse contortis. 
Flos masculus : Stamina 4- oo, sæpius circiter 16 et biserialibus ; 
ovarium plerumque abortivum. 
Flos femineus : Staminodia sæpius 4-8, interdum 0 ; ovarium 
4-16, rarissime 6, nunquam 3-loculare. 
Arbores v.frutice, foliis alternis v. rarius suboppositis nunquam 
verticillatis, cymis axillaribus v. rarius secus ramos vetustiores 
lateralibus, interdum unifions. 
[Linn. Gen. Plant, pp. 143, 383, n. 403 (1737), Aph. D G. Prodr., 
p. 222, n. YI (1844), Agardh. Theor. Syst. Plant., t. X, fig. 11, 12 
(1858). Gfr. Cesalp. De Plantis, lib. II, cap. lu, p. 86 (1583). Sec. 
Hiern.] 
Folia. — Pili unicellulati simplices, sæpe materia rubra farcti. 
Stomata cellulas epidermidis pluribus irregulariter dispositis cir- 
cumvallata. Crystalla simplicia, clinorhombica, sæpe faciebus 
concavis, v. diverse truncata, nunc glomerata v. echinata. 
Caiilis. — Vagina sclerenchymatosa, e pericyclo orta. 
b. ) Epharmosis. — Epidermidis cellulæ recticurve delineatæ,. 
V. undulatim stomata supra nulla, ad æquilibrium epidermidis 
aperientia, v. immersa, v. exserta. Pili nulli, v. rari, v. numerosi,. 
V. folia glabrata. Raro papilla piliformia in epidermide inféra. 
