"a 
1971 
* PSORÁLEA orbiculáris. 
Round-leaved Psoralea. 
DIADELPHIA DECANDRIA. 
Nat. ord. FABACEZ or LEGUMINOSE, $ PAPILIONACEZ. 
PSORALEA. Suprà, vol. 12. fol. 968. 
P. orbicularis; undique pubescens glandulis clavatis truncatis intermixtis, foliis 
trifoliolatis longi-pedunculatis, foliolis subrotundo-ovalibus, capitulis conicis, 
pedunculis longissimis axillaribus, braeteis oblongis concavis calycibusque 
hirsutissimis, caule repenti. ; 
.. A hardy herbaceous plant, with long tough slender creep- 
ing stems from which the leaves spring upon stalks about six 
inches long. 
_ It is remarkable for the numerous dark glands which are 
mingled with soft hairs all over its surface, and which 
resemble the kind of nails which upholsterers call tacks. 
A native of California, whence seeds were sent t0 the 
Horticultural Society by Mr. Douglas. It flowers in June 
and July. 
Fig. 1. is a magnified calyx from which the petals have 
been removed ; the glands are seen scattered over Its surface, 
and from between the stamens projects the small hairy capi- 
tate stigma. Fig. 2. represents the ovary, opened to exhibit 
the single ovule, and having the style smooth, but thickened 
upwards, and a ring of hairs surrounding the stigma. Fig. 
3. is a capitate gland very much magnified ; Fig. 4. is a 
ripe pod surrounded by the calyx, and 5. is one of the ripe 
olive-green seeds. 
* See folio 1769. 
