AUamitra A 
LVII. CUCURBITACE/E. 
703 
lanceolate, lateral ones oblique-ovate, reticulation conspicuous on the under side. 
Glands of the petiolules small, depressed. Tendrils simple. Flowers unobserved. 
Fruit pedicels 1 to lAin. long. Fruit smooth, ellipsoid-cylindric, truncate, 3 to 
3Ain. long, l^in. broad at the apex. Seed unknown . — Xanonin Stephensiana , F. 
v. M. Fragm. viii. 181. 
Hab.: Barnard Island, II'. Hill (F. v. M. l.c.) 
4. A.. suberosa (stems corky), Bail., 2nd Suppl. Si/n. Ql. FI. 28. Plant 
dioecious. Stems climbing to a great height, the lower woody part furnished 
with corky flanges often lin. wide, the young shoots glabrous or slightly mealy. 
Leaves trifoliolate ; leaflets 1A to 4in. long, entire or with a few obscure teeth, 
central one ovate-lanceolate, lateral ones obliquely ovate with usually a more or 
less prominent lobe on the outer edge near the base. Petiole 1 to lAin. long, 
petiolules ^ to Ain. long, with hairy tufts in the axils. Tendrils simple or 
2-branched. Male flowers crowded in pedunculate racemose panicles ; pedicels 
about Ain. long, curved after the flower has fallen ; calyx-teeth 5, about 1 line 
long, acute, nearly glabrous ; corolla 5-lobed, when expanded A to lin. diameter, 
white tomentose outside, pale yellow inside. Stamens 5, 4 in connate pairs, one 
distinct (giving the appearance of a 3-stamened flower) ; filaments slender, short, 
hairy ; anthers oblong, length of filament. Female solitary on long peduucles, 
flowers similar but rather larger than the males, with 5 separate sterile stamens ; 
style thick, bearing 3 spreading flexuous stigmas. Fruit oblong-ovate, variegated, 
3 to Sin. long, with a diameter of about 2in., on a slender peduncle of about 3in. 
Seeds brown, thick, about Ain. long, margin thick, irregularly shaped. 
Hab : Enoggera and Ithaca scrubs. Fruit ripe in December. 
Order LYIII. CACTE/E. 
Flowers regular, hermaphrodite. Calyx-tube adnate to the ovary, often pro- 
duced beyond it ; lobes indefinite, scaly, leafy or petaloid. Petals indefinite, 
mostly numerous, and passing gradually into sepals. Stamens indefinite, 
inserted at the throat of the calyx ; filaments filiform : anthers minute, oblong. 
Ovary inferior, 1 -celled ; placentation parietal; ovules very numerous; style 
single, filiform ; stigmas 2 or several, spreading. Fruit a berry. — Fleshy leafless 
shrubs of very characteristic habit. All American, except a Ilhipsalix. 
Calyx-tube produced beyond the ovary, scaly, with adnate exteri >r sepals. Stamens 
many-seriate upon the corolla-tube. Stems angled or ribbed. Flowers lateral . 1.*Cf,reus. 
Calyx-tube not produced above the ovary. Stems often flat-jointed, flat or terete. 
Flowers lateral. Berry aculeate 2.‘Opuktia. 
1. -CEREUS, Haw. 
(From cereus, pliant; in reference to the shoots of some species.) 
Calyx-tube long, prolonged over the ovary, lobes numerous, in many series, 
exterior ones squamiform ; interior ones elongated, spirally imbricate. Petals 
numerous, in many series, recurvo-patent. Stamens very numerous, in 2 or 
many series ; filaments adnate at the base to the calyx-tube, the upper part free. 
Style filiform ; stigmatic lobes f> or many radiate. Berry squamose or tubercu- 
lose. — Fleshy shrubs, with a woody axis, and medulliferous inside ; angles 
vertical, bearing fascicles of spines, regularly furrowed. Flowers large, rising 
from the fascicles of spines or indentures on the angles of the stems. 
1. C. triangularis (stem three-angular), JJair. Stems climbing and rooting 
into the bark of trees, 3 rarely 4-angular, the angles flattened. Flowers lateral, 
solitary, very large, white. Fruit oblong-globose, 3 to 4in. long, 2.Vin. broad. 
Hab.: Brazil. This species may frequently be seen in old deserted gardens climbing up and 
along the branches of trees. 
Fruit edible. 
