124 
31. CTJCURBITACEJ:. 32. TORtXILACE^. 
fertile Jl. about .3 together in axillary tchorls at the base of the 
spike. — K B. S. 2854. — L. 3 or 4 in a whorl, submersed. — Ponds 
and ditches. P. Y.— Vni. E. S. I. 
2. Hippu'ris Linn. Mare's-tail. 
' 1. H. fulgdris (L.) ; 1. linear 6 — 12 in a whorl with a hard 
point. — E. B. 763. St. 44. 1. — St. simple, or sometimes branch- 
ing at the base, erect. FL in the axil of each of the upper leaves, 
of&n without stamens. In deep water the submersed leaves are 
long flaccid pellucid and not haid at the end. — In stagnant 
water and slow streams. P. VI. Wl. E. S. I. 
Order XXXI. CUCURBITACE^. 
Cal. 5-toothed, tube adnate with the ovary. Cor. 5-cleft, 
often scarcely distinguishable from the calyx, netted with 
veins. Stam. 5, more or less cohering. Anth. sinuose. Ovary 
3 — 5-ceUed or spmdously 1-celled; placentas parietal. Stvle 
short. Stigmas ktbed. Fr. more or less succulent. Seeds dat, 
in an aril : embryo flat ; albumen 0. — Plants succulent, climbing 
with extra-axillary tendrils. Often monoecious or dioecious. 
1. Bryonia. Cal. 5-toothed. Cor. 5-cleft. Male : Stam. 5, 
in 3 bundles. Fem. : Style 3-fid. Fruit a globose few-seeded 
berry. Seeds oval, compressed, more or less bordered. 
1. Beto'xia Linn. Red Bryony. 
1. B. dioica (L.) ; 1. palmate 5-lobed dentate rough on both 
sides with hard points, tL dioecious, cal. of the fertile fl. half as 
long as the corolla. — B. B. 439. — St. climbing. Tendiils simple. 
Fr. red. — [B. alba (L.) has the fertile cal. as long as the cor. 
and black fruit. It is said to be monoecious.] — Hedges and 
thickets. P. V.— IX. R 
Order XXXII. PORTULACEiE. 
Sep. 2, rarely 3 or 5, cohering at the base ; imbricate in the 
bud. Pet. usually 5, from the base of the calyx. Stam. inde- 
finite, inserted with the petals, often opposite to the petals; fila- 
ments distinct. Ovary 1-celled. Style 0. Stigmas several. 
Caps, opening transvei-sely or by 3 valves; placenta central. 
Embryo curved round the albumen. 
1. MoNTiA. Cal. of 2 sepals, persistent. Cor. 5-parted, with 
3 segments smaller than the others, tube split to the base in 
fi-ont. Stam. 3, inserted in the throat imd opposite to the 
