110 
HISTOLOGIE COMPARÉE DES ÉBÉNAGÉES 
& D. GARGILLIA F. MüELL. : D. AUSTRALIS R. Br. 
Folia. — Epidermidis superæ cellulae recticurve delineatæ, 16 «x 
altæ, subcollenchymatosæ ; cuticula crassissima, levi. Epider- 
midis inferæ cellulæ recticurve delineatæ, 10 (a altæ. Cuticula 
crassa, papilla piliformia gerens, glabrata. Stomata ovata, cellulas 
epidermidis superficie sæpius majora, immersa. Mesophyllum bifa- 
ciale, 12-18 seriatum, circit. 120-320 crassum. Cellulæ paliformes 
2- ordinatim dispositæ, superæ, 4-5 plo, inferæ 2-3 plo longiores 
quam latiores, ambo fere 1/5 v. 1/6 mesophyllum implentes. Ner* 
vorum lateralium nervi mediique fasciculi immersi, fibris mecha 
nicis utrinque armati, v. destituti. Petioli fasciculi (1-5) arcuati, 
fibris mechanicis utrinque armati, v. destituti. Crystalla simplicia, 
V. echinata in parenchymate. Parenchyma spongiosum lacu- 
nosum. 
Caulis. — Cuticula crassa. Epidermis non caducum. Periderma 
nulJa (?). Yasa cum punctatione areolata et cum diaphragmate 
foramine ovato perforato. 
26“ D. PENTAMERA WOOLLS. ET F. MüELL. 
Folia. — Epidermidis superæ et inferæ cellulæ recticurve de- 
lineatæ, 13 fx altæ, subcollenchymatosis. Cuticulæ crassissimæ. 
Epidermidis inferæ cellulæ papilla piliformia gerens. Pili rari sim- 
plices unicellulati subtus, supra nulli, Stomata elliptica, 31 (x 
longa, cellulas epidermidis superficie sæpius majora, immersa. 
Mesophyllum subcentricum, 6-seriatum, circit. 166 a crassum. 
Cellulæ paliformes, 1-ordinatim dispositæ; superæ 1 1-1 3-plo; inferæ 
3- 4-plo longiores quam latiores. Ner vorum lateralium nervi 
mediique fasciculi non immersi, vagina fibrosa continua inclusi. 
Petioli fasciculi (6) armati, vagina fibrosa continua inclusi. Crys- 
talla illuminatoria in parenchymate paliformi. Crystalla simplicia, 
clinorhombica in nervorum petiolique parenchymate. 
Caulis. — Periderma subepidermide. Crystalla simplicia in 
