140 50. LILIACE.^. 



glabrous ; stamens 12-20. (irowii here only in the var. 

 itdlica, Duroi (P. fastigiata, Desf.), Loinhardy Poplar, in 

 which the erect branches make the tree assume a narrow, 

 conical shape. 



Ornamental and spreading by suckers. — July - Aug. — 

 Europe ; temperate Asia. 



Salix habylonica, L. (Weeping Willow), with drooping 

 branches and lanceolate toothed leaves, has been much 

 planted near creeks and along the Murray. — Asia. S. 

 fragilis, L. (Brittle Willow), with erect branches and lan- 

 ceolate leaves glandular-toothed, shining above and glaucous 

 below, with a long point turned to one side, has been 

 planted along creeks and rivers on the Adelaide plains and 

 hills. — Europe. Both grow readily from cuttings, but can 

 scarcely be considered self-propagating. 



DIVISION 2.— MONOCOTYLEDONS. 



Embryo with 1 cotyledon ; stems mostly herbaceous, 

 without wood, pith or bark ; leaves simple, usually with 

 sheathing bases, almost always with simple parallel nerves. 



Family 50.— LILIACE/E. 



Perianth petaloid, of 6 divisions : stamens 6, inserted 

 on the perianth or the receptacle, anthers opening inwards; 

 ovary free; style 1, with an entire or 3-fid stigma; fruit a 

 3-celled capsule, opening in the middle of the cells (locvJi- 

 cidallyj by 3 valves, which retain the partition down the 

 middle. Perennial herbs, with a bulbous, tuberous, or 

 fibrous rootstock. 



Perianth-segments almo-st free, spreading. 



Root fibrous; perianth deciduous AsPHODELUS 1- 



Rootstock bulbous ; perianth persistant 



after fading Ornithogalum 2 



Perianth-segments united in lower part, not 

 spreading. 

 Perianth urnshaped ; leaves linear, weak ... Muscaei 3 

 Perianth cylindrical ; leaves stiff, succu- 

 lent, usually broad and toothed Aloe 4 



1. AsPHODELUS, L. 



1. Asphodelus fistulosus, L. Wild Onion. 

 Roots long, fibrous; stem hollow, usually branching above; 

 leaves all radical, long, cylindrical, striate, hollow; buds 

 pink, flowers white in long racemes; pedicels jointed, with 

 a bract at base; perianth-segments spreading, with a brown, 

 central nerve; filaments encircling the ovary by their broad, 

 concave bases, which are papillose on the back; anthers 

 versatile; stigma 3-Iobed ; capsule containing 3-6 black. 



