a 
— 
- and large for the size of the plant, white or bright pink, males largest. 
Polygonum.] ^ cxix. potygonacex. (J. D. Hooker.) 53 
filaments short. Nut oblong-ovate, 3-gonous, black, shining, about as long as the 
perianth.—The larger Tibetan specimens are the size of small Siberian ones; the 
smallest Tibetan are quite minute.—-Eaten in Tibet. 
66. P. acaule, Fook. f. Ic. PI.t. 1490 B ; dwarf, dioecious, hirsute, 
leaves all radical sessile oblong obtuse, flowers in an erect narrow termiual 
peduncled panicle bearing skort lateral dense-fld. branches, perianth very 
small subglobose or campanulate, nut 8-gonous exceeding the perianth. 
Polyg. n. 70, Herb. Ind. Or. H. f. & T. 
SIKKIM HIMALAYA; Donkia and Kangra lama passes, on the Tibetan frontier, 
alt. 17,000 ft., J. D. H. 
Rootstock very stout, ending below in a thick woody tap-root, simple or divided 
above into two or more very short branches clothed with membranous stipules. 
Leaves many, spreading or erect, 1 in. long or less, coriaceous, hirsute on both sur- 
faces or beneath only, nerves above impressed ; stipules glabrous or hirsute. Panicle * 
with its peduncle 2—4 in. high ; peduncle stout, naked (rarely with a single leaf), and 
rachis hirsute; branches 4—2 in. long, horizontal or drooping ; flowers crowded, often 
drooping. Perianth i; in. long, segments unequal oblong or rounded. Stamens 8, 
minute and imperfect in the female flower ; filaments short, Styles 3, short, free. Nut 
(unripe) oblong, trigonous, base contracted (as if stipitate).—A remarkable species, 
evidently of. this section, but very unlike any other. 
67. P. nummularifolium, Meissn. in DC. Prodr. xiv. 1, 127; very 
small, stems creeping and forming matted tufts, nodes hairy, leaves 
3o-$ In. petioled orbicular ciliate, stipules tubular hairy, clusters many -fid., 
Meere pedicelled subdicecious ?, sepals orbicular, stamens 5, nut orbicular 
convex, 
ALPINE HIMALAYA; on rocks, Kumaon, Edgeworth, alt. 14-15,000 ft., Strachey 
$ Winterbottom ; Kashmir, alt. 13,400 ft., Clarke; Sikkim, alt. 14-17,000 ft., 
Perennial. Stems one inch or two long, internodes short. Leaves rather fleshy, 
brown when dry; petiole as long as the blade; stipules truncate. Flowers numerous 
Stamens 
very short ; anthers purple. Wut included, smooth, pale; stigmas 2 minute subsessile. 
to ne smallest species of the genus, and very unlike any other, referred by Meissner 
quB scephalophilon, but the flowers are not capitate, and the minute styles are 
uite free, 
. Sect. XI. TINIARIA, Meissn. Twining unarmed annuals or with peren- 
nial roots. Leaves broad, cordate or hastate; stipules tubular, eciliate. 
Flowers axillary, orin slender racemes ; bracts short, not tubular. Perianth 
5-partite, 3 outer sepals at length enlarged and dorsally winged. Stamens 
8 without interposed glands. Styles 3, very short, stigmas capitate or 
mbriate. Nut 3-gonous; cotyledons accumbent. . 
68. P. Convolvulus, Linn.; Boiss. Fl. Orient. iv. 1032; annual, 
ond tate or twining, leaves sagittate-cordate, flowers in axillary glasters 
and terminal cymes, 3 outer sepals obtusely keeled rarely winged, pedice! ls 
2 on res above the middle. Meissn. in DC. Prodr. xiv. 1. 135; Pt. 
WESTERN HIMALAYA; Kunawur, Royle. WESTERN TIBET; Nubra, T'homson.— 
Disrgrs, N and W. Asi : 
nl - Asia, Europe, N. Africa. f , , 
qznual. Stem 1-4 ft., angles paberulous. Leaves 1}-4 in., gradually acuminate, 
co" obtuse or acute, puberulous beneath ; petiole slender; stipules short. Baorncs 
vhito m t, short, slender, pedicels recurved. Perianth-segments obtuse, green wit 
White margins, J iù, in fruit, Nut black, jy in. long. 
