RUTACEA. 489 
67? Pitavia Mor..'— Flowers polygamous or dicecious ; receptacle 
very convex. Sepals 4, connate at base, imbricated, deciduous. 
Petals 4, alternate, longer, imbricated. Stamens 8, inserted with 
perianth, 2-seriate ; oppositipetalous shorter; filaments free, subu- 
late; anthers ovate, introrse, 2-rimose. Gynæceum inserted at 
summit of much thickened glandular receptacle, beyond insertion 
of stamens; germens 4, free, oppositipetaious, dorsally glandular 
without; styles springing from internal angle of germen at a 
greater or less height, afterwards coalescing in column, 4-lobed, 
stigmatiferous at apex; ovules usually 2 (in male flower 1, 2, or by 
abortion 0), descending; micropyle extrorse. Drupes’ 1-4, inde- 
hiscent; flesh thick; putamen thin, 1-spermous; seeds oblong ; 
testa crustaceous ; “albumen... (?); embryo straight ; cotyledons 
oblong, foliaceous ; radicle short.”—A very glabrous tree; leaves 
opposite or 3-nate, shortly petiolate, simple, sinuate-crenate, sub- 
enerved, pellucid-punctuate, odoriferous ; flowers in axillary cymes, 
ramified, bracteate and bracteolate, 2, 3-chotomous’ (Chz/i*). 
68. Pentaceras Hook. r.—Flowers hermaphrodite; receptacle 
convex, produced beyond insertion of perianth and androceum in 
thick obconical column. Sepals 5, small. Petals same in number, 
alternate, much longer, glandular-punctuate, valvate. Stamens 10, 
inserted with petals, 2-seriate ; oppositipetalous 5, shorter ; fila- 
ments subulate, glabrous, finally exserted ; anthers oblong, introrsely 
2-rimose, caducous. Gynæceum placed at summit of receptacle ; 
germens 5, free, oppositipetalous, apex produced in obtuse gland ; 
ovules in each 2, superposed, descending ; micropyle extrorse, supe- 
rior; styles inserted at internal angle of germen, about middle, 
afterwards twisted into slender column, stigmatiferous, not thickened 
at apex. Fruit carpels 5, or fewer by abortion, subdrupaceous, 
produced on both sides in wide membranous nerved wing ;° endo- 
carp subligneous ; seeds in each 1, 2; testa thick, glabrous ;’ albu- 
men scanty, fleshy; embryo straight; cotyledons subovate.— A 

1 Chil., ed. 2, 287.— Don, in Edinb. N.  Simarubeæ on account of the disk, and structure 
Phil, Journ., xiii. 241.—ENDL., Gen., n. 5969. of gynæceum, differs by epunctuate leaves. 
—B. H., Gen. 297, n. 49.—Galvezia R. & 4 Spee. 1. P. punctata Mot, loc. cit. — 
Pav., Prodr., 56, t. 35; Syst., i. 97.—A. Juss., C. Gay, Fl. Chil., i. 484.—Watp., Rep., i. 519. 
in Mém. Mus., xii. 500, t. 25, fig. 37. — Galvezia punctata KR. & Pav., loc. cit. 
2 Very bitter. 5 Gen. 298, 991, n. 54. 
# A genus much better placed among the 5 Whence recalling those of Atlantus. 
7 Nigrescent. 
