288 SOUTH AMERICAN BOTANY. 
Veget. v. vi. p. 91. Mart. Nov. Gen. v. i. p. 48. t. 29.— 
Plentiful in the woods of St. Catharine, Tweedie. 
In this as well as in all the following species, the apex of 
the retinaculum is destitute of any appendage. 
705. (2) Oxypetalum Wightianum (Hook. & Arn.) ; caule 
volubili, foliis cordato-oblongis breviter acuminatis subtus 
leviter pubescentibus, pedunculis brevi-pedunculatis corym- 
bosis paucifloris, corolla laciniis lineari-subulatis reflexis, 
coronz foliolis lato-cuneatis superne membranaceis, apice ob- 
tusissimo reflexo, basi intus squamula aucta, stylo sublonge 
exserto cruribus brevibus.— Hedges near Portalagre, rare, 
Tweedie, n. 221.— Follicle muricated. Allied to this and 
to the preceding is the ** Apoc. maritimum. Bahia; in mariti- 
mis," of Salzmann's Herb. Brasil; which may be thus 
defined :—Oxypetalum maritimum (Hook. & Arn.); caule 
volubili glabriusculo, foliis ovali-cordatis acuminulatis subtus 
obsolete pubescentibus, pedunculis folio longioribus laxe 
corymbosis plurifloris, corollae laciniis lineari-acuminatis re- 
flexis, coronze foliolis subrotundis retusis intus margineque 
subpapillosis, stylo vix exserto. 
706. (3) Oxypetalum tomentosum (Wight, Mss.) ; volu- 
bile ubique dense pubescenti-tomentosum, foliis ovali-corda- 
tis acuminulatis, pedunculis folio brevioribus corymbosis 
. paucifloris, corolle foliolis patentibus lineari-acuminatis, 
coronz laciniis ovatis obtusis intus basi squamula lata auctis, 
stylo longe exserto cruribus elongatis.—Dry sandy coast of 
Maldonado, Tweedie, (n. 219.) — What we have here called 
the corona is not attached to the staminal column, but arises 
from the tube of the corolla, though not quite so high up as — 
in Tweedia, 
707. (4) Oxypetalum crispum (Wight, Mss.) ; volubile 
pubescenti-tomentosum, foliis oblongo-cordatis acutissimis 
margine crispatis, pedunculis folio longioribus umbellato- 
corymbosis multifloris, corolle laciniis lineari-acuminatls, 
stylo elongato cruribus breviusculis angustissimis. 
708. (5) Oxypetalum capitatum (Hook. & Arn.) ; volu- 
