OPUNTIACEAE 913 
5. RHIPSALIS Gaertn. Sueculer hrubs, sometimes with aerial 
fibrous roots. Main stem woody, the imei terete, but heteromorphie, v 
succulent. Leaves obsolete or minute scales. Are mé scattered. Flowers di 
for the family, diurnal and nocturnal. Hypanthium 
short-campanulate or hemispheric, naked, not A dd: 
beyond the De Sepals very broad. Petals few, 
broad, white our species. Stamens few. chi 
erect: SERM E stout. Berry white, as thick 
long or nearly so, smooth.—About 50 species, nm 
tropieal American. 
assutha Gaertn. Plants in much-branched 
lm 
m.), P ue d r 4—8 i d von areolae with 5-9 deciduous 
bs flowers sessile: seals Podio to ovate-reniform, about 1 mm. long 
or less: petals white, bas Or petis. var X. to Mbps Or obovate, about 3 mm. 
long: dare ys ong: berry globose or oval varying to ovoid or obovoid, 
4-5 mm. in di -— oe -CACTUS. MISTLETOE-CACT US.) — Hammocks, 
—All 
Bverglade Keys, d "Fla —(W. I., Mez., C. A., S. A.)—Nat. in the O. W- 
yea 
6. SELENICEREUS Brittón & Rose. Succulent shrubs with angled or 
ridged, trailing, sometimes, creeping, clam ering, or climbing stems and 
branches, the angles or ridges supporting separated areolae, each of which has 
o n stered spines. Leaves obsolete. Flowers 
nocturnal, showy, a m an areola. Hypanthium clavat Mi 
ng fro an 
hairy. Sepals dier often green or yellow, very marrow. Po tals white, 
broader than the sepals. Berry oval, varying to ovoid or obovoid, or sub- 
globose, armed with clusters of deciduous spines.—About 18 species, tropical 
Ameriean.—Spr.—SNAKE-CACTI. 
Branches armed with short conic inconspicuous spines: hypanthium about 15 cm. 
1 
long, funnelform at the to . S. pteranthus. 
Branches armed with long sl ender- subulate spines: hypanthium 
about 10 cm. DUE scarcely dilated at the top. d coniflorus. 
1. S. pteranthus (Link & Otto) Britton & Rose. Vine, the stem and branches 
clambering, extensively rooting, dull gr e old stems subterete, the branches 
obtusely usually 4-an ed, the bran 
shar arply 4—5-angled or ridged, altogether MA 
forming serpent-like mn over obje NU, i 
areolae small, the hairs white, very dad 
the spine’ conic, usually 2—4 together: flow- 
ers lateral, starting as short conie buds 
whic 
the pee subglobos da 
o iod stiff white hairs and pes of long. * 
ar par hypa 
Nr P DC uM 
X i E 
h . 
NY xd 
N LP y ` 
Ay N 
. * M b 
7 j 1 5 Re. 
SS d. ESS f 
~ . Or 
= w t SG * - 
Bn N : à à 
DU NN eS AN NES S x 1 
ow RS A 
N 
r5 
——— a 
— 
MET E——Á 
- 
pw 
sepa als narrowly elongate-linea 9-12 e 
long, except the very outer ones, “ight. phi 
58 
