292 SOUTH AMERICAN BOTANY. 
exsertis, corollis intus glabris extus hirsutis.—Rough grassy 
places beside springs, at Via Monte, on the Rio Grande, 
Tweedie, (n. 226.) 
716. (3) Tweedia? Brunonis (Hook. & Arn.); gracilis 
canescens, caule filiformi, foliis lineari-filiformibus angustis 
mucronato-acutis, umbellis paucifloris brevi-pedunculatis 
folio multo brevioribus, squamis corollinis exsertis bilobis 
pubescentibus, stigmate acuminato triquetro indiviso.—Cy- 
nanchum Brunonis, Gill. MSS.—On bushes in valleys and 
uncultivated places in the province of Mendoza. Dr. Gillies. 
—This will probaby constitute a distinct Genus, having the 
scales of Tweedia, but an undivided stigma. 
ScuistoGyne. (Nov. Gen.) Hook. & Arn. 
Calyx 5-partitus. Corolla rotato-campanulata, intus villosa, 
limbi 5-partiti laciniis elongatis acuminatis, nullis accessoriis 
interjectis. Columna semi-inclusa. Corona staminea ad basin 
tubi filamentorum inserta, 5-phylla, foliolis (seu squamis) 
oblongis, obtusis, membranaceis, indivisis, intus edentulis. 
Anthere membrana terminate. Masse pollinis ventricosse, 
ovatze, infra apicem affixee,  Corpuscula linearia longa. Stigma 
sub-7-partitum (!), segmentis subulato-filiformibus. 
716. (1) Schistogyne sylvestris, (Hook. & Arn.)—Frequent 
on the Uraguay and about Entre Rios. Tweedie, (n. 219.) 
Banda Orientale. Mr. Baird.—A small twining glabrous 
shrub, with ovate or ovato-oblong, acute leaves, somewhat 
cordate at the base. Corymbs umbellate, pedunculate, 
shorter than the leaves.—At once distinguished by the multi- 
fid stigmas. 
717. (1) Physianthus albens. Mart. Nov. Gen. Bras. v. ì 
t. 32. Hook. Bot. Mag. t. 3201.—Dry woods about Buenos 
Ayres, Dr. Gillies, and in the Uraguay, Tweedie, (n. 228.) 
718. (2) Physianthus angustifolius (Hook. & Arn.) ; foliis 
anguste lanceolato-hastatis acuminatis concoloribuslobis trans- 
versalibus oblongis obtusissimis, corollis rotato-campanulatis, 
stigmatibus exsertis.— Plentiful in the Missions of South 
Brazil. Tweedie, (N. 218.)—This is a true Physianthus, 
