Kadua.) RUBIACEAE. 157 
Ovules one in each cell: 
Fruit a fleshy ateioet stipules entire, one on each side: 
Flowers hermaphrodite or polygamo 
Ovule suspended from near the ree f the cells: 
Lobes of corolla imbricate in the bud; ovary 2—10-celled 4. Bobea 
bes of corolla valvate; ovary 2-celled. : ‘ . Plectronia. 
Ovule peltately attached to the middle of axis septum 6. Coffea 
Ovule & fr ar the base of the ce 
Ovary aaa, drupes uni rea oe a pecan fleshy fruit 7. Morinda. 
Ov 
h ais or t of the ¢ 
Corolla small, rotate; trees. 8. Strauss 
large, funnel-shaped; t i 9. Psychotria 
Corolla tub ith short lobes; a clim ber 10. Pae 
Stigmas free i the base; anthers rising from the base 
0 orolla; a creepi re sg 1. Nertera. 
piglet cenires pid a bifid t e bas se; anthers 12. Coprosma. 
rae ary, splitting into 3—4 Fares oot carpids or cocci; yee ee 
bristly; a low her ‘b 13. Richardsonia 
Cultiva ied tec of this Order . are: Cinchona succirubra, ‘of which a small plantation 
was started at Ulupalakua, Maui, in 1868, various species of Izora, Pavetta, Bouvardia, 
Mussaenda, Pentas carnea, Serissa foetida and others : 
1. KADUA, Cham. & Schl. char. auct. 
Calyx-tube turbinate or hemispherical, round or angular, with 4 per- 
sistent teeth or lobes. Corolla coriaceous, salver-shaped, with a naked 
throat, its 4 lobes valvate in the bud, with the tips mostly inflected and 
the margins induplicate. Anthers 4, oblong or linear, included, subsessile 
the thro 
rally hairy below, its 2 (3—4) branches papillose on the inner side. 
Ovules hemitropous, numerous on thick round placentas which occupy the 
middle of the septum. Capsule loculicidal at the apex. Seeds numerous, 
triquetrous or angular-compressed, rarely margined, with mostly lateral 
attachment of the membranous testa. Embryo central in fleshy albumen, 
but shorter, clavate or cylindrical, the thick radicle as long and broad as 
e cotyledons, pointing sideways from the hilum. — Straggling or erect 
shrubs or lignescent herbs with terete or angular branches. Leaves 
penninerved, entire, with arcuately converging nerves. Stipules solitary 
on each side, mucronate, placed on and connate with the clasping bases 
of the petioles and coalescing inside the latter so as to form a complete 
ring. Flowers greenish-yellow or white, cymose, either 1 to 3 in the axils 
of lower leaves, or many clustered or paniculate in the axils of the upper 
reduced and sessile leaves, forming glomerate, thyrsoid, paniculate or 
corymbose inflorescences. 
A peculiarly Hawaiian genus, nearly related to Oldenlandia and Hedyotis. The flowers 
a Acer sen there having been observed in many species a considerable le difference 
corolla and in characters of style, often in one and the same plant, viz., 
