XCI. URTICACEiE 469 
to the enclosed ovary ; stigma resembling a sessile tuft of hairs. 
Drupes small, yellow, aggregated in a head. 
Simla, Mahasu ; March, April. — Temperate Himalaya, ascending to 6000 ft. 
— W. Asia, Abyssinia. 
Twine and ropes are made from the fibre. 
16. PARIETARIA. From the Latin paries, a wall, referring to 
the habitat of some species. — Temperate and tropical regions. 
Parietaria debilis, Forst . ; FI. Br. Ind. v. 593. A diffuse, pu- 
bescent herb ; stems numerous, 6-12 in., very slender, straggling, 
often matted. Leaves alternate, thin, entire, 3-nerved from the 
base, variable in shape, usually ovate or orbicular, in., obtuse ; 
stalks long. Flowers minute, polygamous, in axillary clusters ; 
bracts linear, united at the base. Male flowers few : perianth 4- 
parted ; stamens 4. Female flowers numerous : perianth tubular, 
4-lobed, enclosing the ovary ; stigma resembling a sessile tuft 
of hairs. Bisexual flowers few. Achene enclosed in the ovoid, 
persistent perianth. 
Simla, on rocks &c., in shady places ; January-December. — Temperate 
Himalaya, 7000-12,000 ft., mountains in S. India. — Many temperate and 
tropical regions, extending to Australia and Chili. 
Allied to the British Pellitory of the wall, P. officinalis . 
XCII. JUGLANDACEiE 
Trees. Leaves alternate, odd-pinnate. Flowers small, 1-sexual, 
both sexes on the same tree. Male flowers numerous, in long, 
pendulous catkins : perianth narrow, margins irregularly 5-lobed ; 
stamens 10-20, nearly sessile, free. Female flowers few, in small, 
terminal clusters : ovary 1-celled, enclosed in an adnate, ovoid 
involucre ; perianth-lobes 4. Fruit a drupe, rind thick, fleshy, 
enclosing a woody nut. Seed one, cotyledons large, lobed. — 
N. temperate regions. 
Engelhardtia Colebrookiana, Lindl . ; FI. Br. Ind. v. 596. A small tree 
belonging to this Order is common in Kumaon and Garhwal, but rare West of the 
Jumna and is not recorded from Simla. The female flowers are in drooping 
spikes 6 in. long ; the fruiting bracts 1-1J in., unequally 4-lobed, each enclosing 
a small, hairy nut. Flowers In March or April. 
JUGLANS. The classical name, a contraction of Jovis glans, 
the nut of Jupiter. — N. temperate regions. 
Juglans regia, Linn . ; FI. Br. Ind. v. 595. A large tree, 
nearly glabrous. Leaves 6-12 in., alternate, odd-pinnate ; leaflets 
