ICOSANDRIA MONOGYNIA. PmnUSc 
333 
17 . P. pedunculis solitariis, foliis ellipticis glabris, fructibus 
pendulis, ramis subinermibus. JVillci. sp. pl. 2. p. 997 . 
Near habitations, frequent. I? . April, May. v. v. This 
is the common Myrabolan Cherry , and had its origin 
from America, according to authors. 
18. P. pedunculis solitariis, foliis elliptico-lanceolatis subtus 
pubescentibus, fructibus rectis, ramis spinosis. Willd. 
sp. pl. 2. p. 997. 
The common Black Thorn, or Sloe , is frequently found 
in hedge-rows, particularly in Pensylvania, but has 
been introduced from Europe. 
405. TIGAREA. Aubl. guj. 2. p. 91 7 . Pursh in linn, 
trans. v,\l, 
1. T. foliis in apice ramulorum confertis, obcuneatis, 3-den- 
tatis, supra villosis subtus cano-tomentosis, floribus 
terminalibus solitariis brevissime pedunculatis. 
In the prairies of the Rocky- mountains and on the Co- 
lumbia river. Tj . July. v. s. in Herb. Lewis. Flow- 
ers yellow. 
Frutex ramosissimus. Cortex cinerea. Ramuli brevis- 
simi, gibbosi, apice fasciculatim foliosi. Gemmee : 
squamis subrotundis, glabris, fuscis. Folia cuneifor- 
mia, quasi in petiolum angustata, apice 3-dentata seu 
3-fida, laciniis lateralibus acutis, intermedia subemar- 
ginata, margine revoluta, supra strigoso-v iliosa, subtus 
cano-tomentosa, subtriplinervia, semiuncialia. Pe- 
dunculi brevissimi, terminales, solitarii, uniflori. Flores 
lutei, magnitudine Cratcegi oxyacanthi. Calyx extus 
hirsutissimus, laciniis acutis. Petala obovata, subun» 
guiculata, calyce paulo longiora. Filamenta circiter 
20. longitudine petalorum. Antherce oblongae, bilo- 
culares. Germen oblongum, hirsutum, longitudine 
staminum. Stylus brevis, obliquus. Stigma simplex. 
Capsula immatura calyce persistente cincta. 
This singular shrub approaches the nearest to Tigarea of 
Aublet : the seeming difference in character may only 
be owing to the imperfect state of the specimens 
Aublet’s description seems to be made of. It cer- 
tainly deserves to be separated from Tetracera , though 
generally united with that genus. 
cerasifera a 
spinosa. 
tridentata , 
