COMMELINA . COMMELINACEÆ (AUCT. C. B. CLARKE.) 179 
terminales, adgregati nec congesti. Spathæ 2-3 cent., acutæ interdum 
acuminatæ, basi rhomboïdeæ latæ, scabride pubescentes, longitudi- 
naliter striatæ obscurius transversim striatulæ. Racemus inferior 
1-1 ?/, cent., 1-2-florus, superior 4-florus. Petala cærulea. Capsula 
subæqualiter 3-locularis 3-valvis. Semina nigro-fusca, interdum albo- 
marginata quam C. obliquæ latiora minus compressa. — Forsan C. 
oblique varietas; differt nonnisi spathis pedunculatis. 
Java (Zollinger n. 2450; Horsfield n. 365). Indi: Orientalis penin- 
sula; in provineiis Concan et Malabar (Law) ; Concan (Stocks). 
66. C. undulata (R. Br.! Prodr. 270); diffusa, ramosa; foliis 
lanceolatis, undulatis; spathis subterminalibus, 1-2 contiguis, cucul- 
latis, ovatis acutis; seminibus 3 mill., breviter ellipsoïdeis, levibus. 
C. ensifolia, F. Muell. Fragm. Phyt. Austral. 8, p. 60; Benth. Fl. 
Austral. 7, p. 83 pro majore parte, non R. Br. 
Caulis validus, glaber. Folia longa 8 cent., lata 2 cent., utrinque 
glabra scabrida vel sparsim pilosula. Pedunculi 0-*/, cent., validi, 
glabri. Spathæ 2 cent., altius cucullatæ, in latere altero truncatæ, 
altero breviter falcato-acutæ, glabræ aut hirsutulo-pilosæ. Racemus 
inferior sæpius obsoletus; superior 4-6-florus. Petala majuscula, in 
sicco intensius cærulea. Semina nigrescentia, vix puberula. — Species 
vix a C. obliqua Ham. diversa (cf. Benth. 1. c.) foliis minoribus, spa- 
this minus adgregatis. 
Australia tropica, frequens; in ora Boreali (R. Brown nn. 5735, 
5736); Rawak (Gaudichaud). Ins. Loochoo (C. Wright nn. 347, 348). 
Ins. Chusan (Yvan). Ins. Philippine. China (Millett); Macao (Gaudi- 
chaud n. 62). 
.5, setosa (sp. Wight in Wall. Cat. 8981, D); foliis elongatis, lon- 
gis 12 cent. latis 1 cent. pit 
Indi: Orientalis peninsula ; prope Nopaloy (Wight). 
** Africane. 
_ 67. C. umbellata (Thonn. in Schum. Guin. Pl. p. 21); foliis 
linearibus ; spathis breviter pedunculatis, parvis, sparsis, cucullatis, 
ovatis acutis; capsula 3-loculicida ; seminibus 2*/,-3 mill., ellipsoïdeis, 
compressis, dorso 2 magnis foveis inpressis. C. Nigritana, Benth.! in 
Hook. Niger F1. p. 541. 
Caules basi radicantes, tenues, ramosi. Folia longa 10 cent., ata 
^" mill., glabra aut sparsim hirtella, marginibus vaginarum ciliato- 
