32. LYTHRACEiE. 
277 
Order XXXII. LYTHRACEiE. 
FI. perfect regular. Cal. tubular or bell-shaped free 8-12-lobed, 
lobes in two rows, the inner valvate in the bud. Pet. half as 
many as sep. inserted at top of cal. -tube alternate with its inner 
lobes and quickly falling, sometimes none. Stam. inserted be- 
low the pet. within the cal. -tube 4-12 very variable in number. 
Ovary free 2-4-celled. Caps, membranous free covered by the 
cal.-tube 1-4- (mostly 1-) celled with a central placenta, many- 
seeded. Seeds without albumen small. Cot. leafy flat. — Herbs, 
small shr. or tr. with no peculiar properties. Branches often 
square. Stip. none. L. simple entire mostly opposite. FI. 
axillary or racemose mostly purple, rose-col., or white. 
Tribe I. SALI CARIE2E. 
The Loosestrife Tribe. 
Cal. -lobes remote, with or without inner intermediate teeth. 
Seeds simple. — Small shr. or subaquatic herbs. 
1. Lythrum:. Cal. tubular cylindric with 8-12 teeth, the 
4-6 outer broader erect. Pet. 4-6. Stam. equal or double 
the number of pet. inserted at or below the middle of cal.- 
tube. Style filiform. Stigma capitate. Caps, oblong 2- 
celled. 
1. Lythrum L. 
§ Hyssopi folia DC. ; fl. axillary solitary. 
* Stam. about as many as or fewer than the pet. i. e. 4-6. 
1. L. TIyssopifolia L. 
St. branched chiefly at the base or simple erect, branches 
ascending or decumbent, leafy flowering almost from the base ; 
1. alternate crowded sessile lanceolate-linear attenuate or con- 
tracted at each end ; fl. inconspicuous small much shorter than the 
l. subsessile ; ped. very short erect in all stages with 2 minute 
linear-acuminate bractlets at top; cal.-tube rounded faintly 
ribbed smooth ; the outer teeth very narrow ; pet. 5-6 o'blong- 
obovate half or f length of cal. ; stam. 4-6 included. — Desf. i. 
372 ; Brot. ii. 244 ; DC. iii. 81 ; WB. ii. 5 ; Seub. Fl. Azor. 47. 
no. 354; Koch 274; Bab. 115. L. liyssopifolium EB. t. 292; 
Sm. E. Fl. ii. 344. 
/3. acutifolium DC. 1. c. 82 ; 1. rather acute. — L. thymifolium 
Hoftin. ex. DC. (not Linn.). — Herb. ann. Mad. reg. 2, r. ; Nl). 
reg. 1, r. In damp shady spots. Near the head of the Levada 
which conducts water out of the Rib. de S ta Luzia to the Quinta 
of the late Webster Gordon Esq. at the Mount ; N. side of the 
