284 LILIACEAE • GRAMINEAE 



YUCCA. Ls. long, linear, or awl-shaped, pointed, glaucous, crowded radially 

 in a tuft at the top of a short stem which is often so short as to be scarcely visible. 

 Fls. large, white, bell-shaped, drooping, in large erect terminal panicles or racemes. 

 Fruit a capsule. 



(a) Ls.fiaccid, recurving 



Y. flaccida. July-August. E. Stem not rising above ground-level. Ls. 20 X 



1, with marginal threads. Panicle up to 6 feet high. South-east United 

 States. 



Y. recurvifolia. 8. August-September. E. Ls. 36 X 2, spine-tipped. Panicle 

 up to 3 feet high. South United States. (Fig. 38 M.) 



{b) Ls. stiff 



Y. filamentosa. July-August. E. Stem not rising above ground-level. Ls. 30 X 



2, margins with curly threads. Panicle up to 6 feet high. South United 

 States. 



Y. glauca. July-August. E. Stem not rising above ground-level. Ls. 30 x \, 

 margins white. Panicle narrow (raceme), up to 4 feet high. South 

 United States. 



Y.gloriosa. Adam's Needle. 8. August-September. E. Ls. 24x3, spine- 

 tipped. Panicle up to 4 feet high. South United States. (Fig. 38 L.) 



Family 105. PALMAE. P3+3, A3 +3, G (3) or 3 



CHAMAEROPS (TRACHYCARPUS). Stem erect, covered by dark stiff 

 fibres. Ls. large, palmately dissected into narrow segments; stalk 2-edged, toothed; 

 crowded radially at and near top of stem. Fls. small, yellow, in large panicles near 

 top of stem. Fruit a berry, ^, blue-black. 



C. excelsa (C. Fortunei). Chusan Palm. 30. Summer. E. Ls. 30, dark 

 green. Japan. (Fig. 6 b.) 



C. humilis. Dwarf Fan Palm. 8. Summer. E. Ls. 18, greyish green. Medi- 

 terranean region. 



* JuBAEA SPECTABiLis. Wine Palm. 50. E. Trunk bare, with numerous small 

 vertical cracks. Ls. 15 feet long, pinnate; Iflts. up to 2 feet long. Chile. (Fig. 17 A.) 



Family 106. GRAMINEAE. Po, Ai-6, Gi 



Stems jointed, usually hollow. Ls. alternate, linear or lane, pointed, usually 

 entire, base continued into a sheath which envelops stem. Fls. in spikes, racemes, 

 or panicles, composed of small spikelets, each containing one or more fls. Each 

 spikelet is made up of several alternate scales or bracts, the outer (glumes) being 

 empty, the inner (paleas) bearing fls. Anthers long and hanging loose. Ovary with 

 feathery stigmas. 



ARUNDINARIA. Hardy Bamboo. Stems straight, cylindrical, with whorled 

 branchlets; sheath open on one side and usually deciduous. The plant flowers 

 very rarely, after which it dies. Stamens three. 



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