28. TAMARISCACE^. 29. ONAGRACE^. 
119 
2. Pep'lis Linn. Water Purslane. 
' 1. P. Por'tula (L.) ; 1. opposite obovate stalked, fl. axillaiy 
solitarysessile.— jE'.^. 1211. -SC. 1. 7.— Pet. often wantino:. Cal.- 
tiibe short, shortly bellshaped, shorter than the capsule. St. 
4 — 6 in. long, prostrate, creeping. — Damp places. A. v II. VIII. 
E. S. I. 
Order XXVIII. TAMARISCACE^. 
Cal. 4 — 5-parted, persistent, imbricate in the bud. Pet. 4 — 5, 
withering, from the base of the calyx. Stam. equal to or twice 
as many as the pet., from the margin of a shieldlike disk. Caps. 
1-celled, 3-valved, many-seeded, locidicidal. Placentas often 
only at the base. Seeds ascending, crowned with a tuft of hairs. 
1. Tamakix. Styles 3, patent. Seeds affixed at the base of 
the capsule ; crovsned with a tuft of simple papilliform 
hairs. 
1. Tam'aeix Linn. Tamarisk. 
|1. T. ang'lica (Webb); 1. glabrous rather narrowed at the 
base spun-ed, fi.-buds ovoid, h\-pogj'nous ring 5-angled naiTowed 
into the filaments of the cordate shortly apiculate anthers whose 
cells diverge below, caps, roundish-tiigonous at the base abruptly 
naiTowed towards the apex. — T. gallica Sm., E. B. 1318. — St. 
shrubby, with slender leafy branches. L. minute, with a loose 
spur at the base. Spikes lateral, rather panicled, slender. Fl. 
small, pink. — South-west coast of England. Sh. VII. E. 
Order XXIX. ONAGEACE^. 
Cal. tubular, adnate to the ovary wholly or in part, with 2 — 4 
lobes valvate in the bud. Pet. as many as the calyx-lobes, 
twisted in the bud, inserted at the top of the tube. "Stam. 2, 
4. or 8, inserted -uith the petals. Ovary of several cells, with a 
central placenta. Style 1, filiform, stigma capitate or lobed. Fr. 
a berry or capsule with 4 cells. Albimien 0. — L. alternate or 
opposite, not dotted. 
1. Epllobittm. Cal. 4-cleft, deciduous. Pet. 4. Stam. 8. 
Style filiform with a clavate or cruciform stigma. Caps, 
linear, 4-celled, 4-valved. Seeds many, bearded. 
2. (Enothera. Cal. -limb tubular below. Seeds not bearded. 
In other respects like Epilohium. 
3. Isnakdia. Limbof the cal. 4-cleft, persistent. Pet. 4 or 0. 
Stam. 4. Style filiform, deciduous, stiyma capitate. Caps. 
