56 NATURAL HISTORY OF PLANTS. 
ones 1-4, opposite ; filaments subulate perigynous ; anthers 2-locular; 
cells linear, lateral or subextrorse, base and apex free, rimose at margin. 
Ovary free, inserted at bottom of receptacle, 1-celled; style short, 
lateral, base decurrent in ovary (subgynobasic), apex stigmatiferous 
penicillate; ovule subbasilar amphitropous. Achenes unequally 
carinate, afterwards at apex emarginate-sub-2-lobed and with style 
laterally mucronulate, lobes produced in bristles 2, 3, rigid, finally 
adpressed reflexed. Seed linear, suberect, generally amphitropous ; 
albumen scanty, laterally produced between cotyledons; radicle of 
embryo inferior, cotyledons foliaceous, dissimilar, unequally replicato- 
convolute.—Undershrubs ; odour alliaceous ; leaves alternate, entire, 
petiolate; stipules small, herbaceous. Flowers in terminal axillary 
racemes, l-bracteate ; pedicels short, rather thick, bearing 2 bractlets 
inserted at a greater or less height (Zropical America). See p. 35. 
12? Monococcus F. Murzz.—Klowers polygamous, 4- or more 
rarely 5-merous (nearly of Petiveria). Stamens 10-12, free ; anthers 
acute at apex, reflexed at summit of filaments, finally erect extrorse. 
Ovary unequally ovate ; lateral penicillate style and ovule of Peti- 
veria. Unsymmetrical achene, with style laterally mucronate, covered 
with prickles on all sides. Seed suberect, much amphitropous ; 
embryo (shorter) of Pefiveria; albumen farinaceous, copious. —An 
undershrub; leaves, inflorescence, and bracts of Petiveria; flowers 
inferior female; superior male; a few hermaphrodite interposed 
(Australia). See p. 37. 
13. Seguieria Lærz.— Flowers regular, apetalous, 5- or more 
rarely 4-merous (Gallesia) ; sepals more or less petaloid, imbricated, 
fructification reflexed. Stamens ©, subhypogynous ; anther cells 2, 
base and apex free, lateral or finally slightly extrorse or introrse, 
marginally rimose. Ovary free; ovule subbasilar, amphitropous ; 
style eccentrically crested or winged, apex straight or incurved ; one 
margin sulcate, stigmatiferous to a greater or less height. Fruit 
samaroidal, outwardly undulate-nerved or slightly winged, crowned by 
style accrescent in a large hatchet or shield-shaped veined wing. Seed 
vertical; testa membranous ; embryo peripheral, radicle inferior ; 
cotyledons wide, foliaceous, more or less convolute-corrugate ; 
albumen scanty between the central folds of cotyledons.— 
