590 
APPENDIX II. 
basal ster. segm. 1 — 2 mm. tapering at base,,/?, solitary, lateral 
ones quite suppressed. — Prostrate forms with solitary fl. are 
probably hybrids with sp. 7. — Upmost levels of salt mai'shes. 
A. VIIL-IX. E. 
Paije 355. 
4. Atriplex deltoidea Bab. is now placed as one of the many 
vars. of A. hastata L. 
Page 362. ^ 
10a. Polygonum avicularelj. emend. Mo.ss ; P. heterophyllum 
Lindm. excl. subsp. ruriuagum ; young central stem erect, 
branches long (-60 cm.) decumbent I. broadly to narroivly 
ellipt. those of main stem large (4—5 cm. 1.) more or less 
caducous, those of branches only half as large or less, stalks 
shorter than ocrese, pedicels short, sep. free usually pink with 
white margin, stam. 8, fr. trigonous twice as long as br. 
(2 — 3 mm. 1.) ovate or elliptic, channelled or almost smooth 
concave. — a. mdgare Desv. ; branches often 50 — 60 cm. 1., 
larger 1. 4 — 5 cm. 1. and half as broad, fr. c. 3 mm. 1. nearly 
or quite included in perianth. — )3. angustissimtim ^leisn. ; 
rather slender, ocrese reaching 13 mm., 1. lin. lane. ; y. litorale 
Koch ; I. more obtuse more succulent apiciil ones not so small, 
fr. slightly exserted. Waste and newly exposed ground, sand 
dunes (7). A. VII.-X. E.S.I. 
106. P. rurivagum Jord. emend. Moss ; yomig central stem 
erect, branches often v. divaricate often much shorter than 
60 cm., ocrese longer than in other allied spp., I. of main stem 
V. narrow elliptic li — 3| cm. long and a third or less as br., of ' 
branches much smaller linear, all acute, stalks distinct, pedic. 
V. short, perianth smaller than in 10a pink or white usually 
strongly veined in fr.,/r. smaller {-2h mm. 1.) narroiv slightly 
exserted, sides concave scarcely shilling. — Cornfields and waste 
places, local.— A. VII.-IX. ' E.S. 
10c. P. aequale Lindm. ; young central stem erect, branches 
croii'ded especially above subsimple 10 — 40 cm., 1. and ocreai 
often shorter than in 10a, I. broadly or narrowly elliptic obtuse 
(10 — 20 mm.) often croivded at apex of branches where inter- 
nodes are v. short, not markedly unequal in size sep. free 
white or greenish white sometimes pink or red, stam 5 ( — 8), fr. 
(2 — 2h mm.) not or v. slightly exserted indistinctly striate 
or punctulate rather shining.— subvar. parvvhnu Moss ; 1. 
and fr. smaller (Poole harbour). — Waste places, roadsides etc. 
A. VII.-X. E.S. 
lOd. P. calcatum Lindm. ; prostrate, branches short appressed 
to ground, /. elliptic obtuse subegual in size smaller than in 
