ALSINACEAE 503 
9. DRYMARIA Willd. Annual or perennial diffuse herbs. Leaves oppo- 
site, with small, often een decia blades broad. Flowe ers cymose, in- 
ls 5, herbaceous 
scarious-margined. Petals 5 or fewer, u Ns 
tamens 5 or fewer. Caps orter than4 
the calyx, 3- valved, —A bout a species most 
abundant in tropical regions.—The poss 
are mostly white 
1. D. cordata (L.) Willd. Annual, the 
branches diffuse or prostrate, mo stly 1-4 
dm. long: leaf-blades Lm -ovate to 
reniform, mostly 5-2 long, poc 
abruptly pointed, dnd i ioled: eym 
slender-peduncled: irn pee E 
or nearly so, becoming 4—4.5 m acute or slightly vesci petals 2— 
2.5 mm. long, the lobes N or Pun near: c or oval- dn 
3—3.0 mm. long — E Pv and banks, pen. FI a emery of t 
Am.—All year.—(W. I., , 0. A., 8S. A) 
10. POLYCARPON L. Annualherbs. Leaves opposite or in 4's: blades 
flat. Flowers cymose. Sepals 5, keeled. Petals 5, shorter than the sepals. 
Stamens 3-5. Stigmas short. Goa often 
shorter than the calyx.—Six or eight species, — 
widely distributed. 
P. tetraphyllum L. f. Plants 2-12 em. 
tall; leaf-blades spatulate to oval, 5—15 mm. 
long: sepals 1.5-2 mm. lon at m aturity, 
LS m —fall—Nearly all the spe- 
s of Po dic idi are natives of the Old 
Wo rld. They have been widely scattered 
ee the oe of ballast and cultiva- < 
tio The flowers > this species have partly united and wholly united styles. 
The petals are whit 
11. STIPULICIDA Michx. Perennial Agee herbs. Leaf-blades di- 
lated at the base of the plant, scale-like above. Flowers in terminal capitate 
clusters. Sepals 5, notched or emarginate. Petals 5, p oothed near the 
base. Stamens 3-5. Style short. Capsule longer than the sepals.—Only the 
following species known.—Spr.—fall 
Stem or branches wire-like : flowers 3-6 in a cluster : Dore Runden 1. S. setacea. 
Stems or branches filiform: flowers solitary or 2-3 cluste 
petals constricted at the middle. 2. S. filiformis. 
1. S. setacea Michx. Rap 5—22 em. tall: leaf-blades spatulate to o S 
a. 8-15 mm. long or longer: sepals elliptic to cuneate, 
