40 MEDICAL BOTANY. 
ROSACEA. 
JUSSIEU. 
EssentiaL Cuar.—Calyz generally of five sepals, cohering at the base to form a tube; therefore five-lobed, 
generally persistent, usually free, sometimes adherent to the ovary. Petals many as pint ear fie a aa 
i ‘ ial j ivati larly. Stamens inserted with the petals, mostly 
: rted on the calyx, quincuncial in estivation, generally regularly ; 
fndadinihs ; filaments Sialieved in estivation; anthers two-celled, dehiscing fot double yee Ro vue 
i i i Si from their union, either tog 
ther solitary by abortion, or having the appearance of a single ovary, | ut 
“ibs of the aes: Ovaries one-celled ; styles simple, dilated at the apex into stigmas of variable shape, per: mre 
from the side of the ovary, either distinct, or more rarely coherent. Seeds in each carpel prc one or two, se 
numerous, erect or inverse, exalbuminous. Embryo straight; cotyledons either foliaceous or a ya 
Herbs, shrubs, or trees. Leaves alternate, bistipulate at base, simple or compound. (De Candolle. 
This family is subdivided into orders, which differ as regard the proximate principles predominating in them. 
They are decidedly marked, however. Thus the Rosex are astringent, the Spiree emetic, and the Amygdalee 
sedative, 
SPIRA A, 
* coast ® ) icillate, follicular, or 
Calyx campanulate, imbricate, or valvate in estivation. Carpels mostly five or less, verticilla 
two-valved in fruit; styles terminal 
Gray and 
. ‘Seeds one to eight or ten in each carpel, pendulous or ascending. (Gray 
Torrey in Flora of North America.) 
GILLENIA TRIFOLIATA. 
MOENCH. 
INDIAN PHYSIC. 
Sex. Syst—Icosandria, Pentagynia. 
: | , lanceolate, 
Grn. Cuar.—Calyx subcampanulate, border five-toothed. Corolla partly unequal. Petals i 
attenuated, coarctate at the claw. : 
* : itate. 
- Stamina fewer, included. Styles five, contiguous. Stigmas capt 
five-celled ; cells two-seeded. (Nut 
ith an abrupt, 
upper folioles lanceolate, serrate, subequal, lower folioles sie: lanceolate, 
obtuse termination. Stipules linear, entire. Flowers terminate, loosely paniculated, five-gynous. P Pignte= 
» Ventricose. Stamina included. Capsule five-celled, many t as by Moench. 
This plant is the Spirea trifoliata of Linneus, but the generic name was altered to the presen 
amon names are Indian Physic, Indian Hi , Dropwort, and Bowman’s Root. hany 
This species is found diffused ne the ited States from Maine to Florida, on the eastern side wie ‘ait is 
mountains, occurring in open hilly woods, in light gravelly soil. The period of flowering is May, 
matured in July. The flowers are white 
or of a rose tint. irregular dark- 
= root 1s perennial, composed of a great number of fibres, arising from a common rough and 
