i-celled, with i pendulous anatropous ovule. Seeds 
with scanty endosperm. Humulus, [Cannabis,] 
Family 25. URTICACK-®. Mostly herbs, often 
with stinging hairs. Lea. simple; stipules persis- 
tent. Flow, often i-sexual. Per. 4. Sta. incurved 
in bud, straightening elastically. Carp, i, with i 
style and i erect basal orthotropous ovule. Fr. an 
achene with adherent per. Seeds usually with a 
rich oily endosperm. 
Urtica, Parietaria, [Laportea, Pilea, Boehmeria.'] 
§ 2. PetaloidecB (Moss) (cf. p. 16). 
Per. single, rarely double, occasionally petaloid. 
Ovules not campylotropous. 
SANTALALKS. ARISTOrOCHIALKS. POLYGONALES. 
Order 6. SANTALALES. 
Partially or wholly parasitic. Lea. entire, ex- 
stipulate. Flow, cyclic. Per. single ; sta. opposite 
the segments and equalling them in number. Carp. 
(2 — 3), rarely i; ovules one in each carpel, variable. 
Family 26. SANTALACB^. Chlorophyllose 
semiparasites on roots. Lea. usually spiral. Flow, 
minute, cymose, ^ or i-sexual. Per. 4 — 5, valvate, 
united below (in the Brit. sp. epigynous). Sta. 
adhering to the perianth. Carp. (2 — 3) ; ovary 
inferior, i-celled; ovules i — 3, pendulous from a 
free-central plac., reduced to a naked nucellus with- 
out integument. Fr. a small nut. Seed i, with 
much endosperm. Thesium, \Santalum,'^ 
Family 27. LORANTHACE^. Mostly under- 
shrubs, chlorophyllose and evergreen, semiparasitic 
on trees. Lea. fleshy-coriaceous, usually opposite 
14 
