180 XCVIII. ACANTHACEH (CLARKE). [ Justicia, 
spinous-winged capsules.—Herbs or shrubs. Leaves entire or obscurely- 
wavy-crenate. Flowers small or medium-sized, purple-yellow or white, 
in spikes (strobilate or loose, or interrupted below), terminal or axillary, 
or in axillary clusters, or solitary, or in slender loose axillary spikes, or 
in panicles, or in reduced (often panicled) cymes; floral leaves broad, 
imbricated (as in strobilate spikes), or narrow, long, or small; bracts 
long elliptic, or narrow small, or 0. 
Species 200; throughout all warm regions. 
*Brtonica.—Spikes strobilate; floral leaves ovate, often 
somewhat 4-ranked. Sepals 5, except in 11. J. tenella. 
Pollen hardly tubercled. 
Floral leaves white reticulated with green or purple 
veins, Capsule hairy. (Species 1—7 are all one in 
the opinion of T. Anderson and of S. Moore.) 
Floral leaves reticulated with green veins. 
Petiole 4-3 in. long. : : . . . 1. J. Betonica. 
Petiole 0—;}, in. long. 
Leaves softly hairy beneath. 
Leaves up to 3 in. long . 2. J. betonicoides. 
Leaves 3-3 in. long 5. J. ruwenzoriensis. 
Leaves nearly glabrous. 
Leaves 24 in. long . . . 6. J, andongensis. 
Leaves 12 in. long . . . . . 4. J. trinervis. 
Leaves 3 in. long . . . 3. J. nilgherrensis. 
Floral leaves reticulated with purple veins . 7. J. versicolor. 
Floral leaves not white, reticulate-veined. 
Sepals 5. 
Leaves up to 7 in. long; floral leaves 2 in. long, 
white margined  . . 8. J. Pseudorungia. 
Leaves up to 33 in. long; floral leaves 3-1 in. long. 9. J. paucinervia. 
Leaves up to 1 in. long, round . . . . 10. J. Emini. 
Sepals 4 ; floral leaves 4 in. long . . . . 11. J. tenella. 
**ROSTELLULABIA.—Flowers in terminal spikes, hardly 
strobilate, more or less interrupted at the base; floral 
leaves narrower than in subgenus Betonica, upper 
imbricated. Flowers 1-3 under each floral leaf, which 
becomes the “proper bract”? when there is only 
1 flower under it. 
Sepals 5 (in a few species the posticous sepal much smaller 
than the others), not conspicuously white-margined. 
Floral leaves ovate or elliptic (see also 21. J. nyassana). 
[Species in this group of which the fruit is un- 
known may turn out to be of the genus 
Monechma, | 
Corolla 2 in. long or more. 
Flowers 3-2 under each floral leaf. . . 12. J. phyllostachys- 
Flowers 1 under each floral leaf (bract). 
Leaves acuminate ; ovary glabrous . . . 13. J. leta. 
Leaves subotuse; ovary shaggy. . . 14, J. simplicispica. 
Corolla 3—4 in. long. 
Leaves 5 in, in diam., very long petioled, cordate .15. J. fittonisides. | 
Leaves 2 in. long; floral leaves orbicular . . 16. J. mossambicensts. 
