LILIACEAE 



47 



I ln«.r> in ;m elongated spike, orange r>-.l 

 z. Flowers in a branched panicle, white 

 (b) I'lant-. with true bulbs 

 \. Flowers with an involucre 

 I lower solitary 

 Flowers in a cluster 



y. Flower cluster without an involucre 

 (x) Petals and sepals separate 

 m. Petals and sepals white or greenish, many-veined 

 n. Petals and sepals blue (rarely white), one-ner 

 (y) Petals and sepals united at the base into a tube 

 b. Flowers solitary, borne directly on the under-ground stem 



(1) Plant with a corm ; Bower conspicuous 



(2) Plant with a creeping rootstock ; flowers inconspicuous 



Aloe — Aloe 



(The Greek name) 

 Fleshy greenhouse plants; the leaves usually spiny 

 1. Leaves many-ranked 



a. Stem obvious, branching; leaves 3-7 dm. long with sheathing bases 



b. Stems short, covered with the small warty leaves 

 2 Leaves ; ranked, warty and mottled 



1 [aworthia 



(Named for Haworth, an English botanist) 

 ihy greenhouse plant with short stem, and small whitish flowers 



A'mp 



( ' y'.utn 



Tritelia 

 Allium 



Ornilliogalum 

 Scilla 



:lltUS 



Colchicum 

 Aspidistra 



A. arbori-scens 

 A. humilis 

 . I . : ■ ariegata 



If. cuspidala 



Tulipa — Tulip 



i N". I., tulipa, turban, from the form of the flower) 

 Spring-flowering bulbs, often forced into winter blooming. The cultivated 

 forms are generally considered as forming the two species : 



1. Early flowering, pubescent 



2. I. ate flowering, smooth 



T. gesneriana 



Lilium — Lily 



(Lat. name of the lily, Gr. leirion) 



1. Autumn-blooming species, sometimes delayed for indoor winter flower- 



ing; flowers usually spotted or striped on a white ground 



a. Flower flat ; petals reflexed from the base L. Sped6sum 



b. Flower open bell-shaped; petals reflexed only at the tips, usually 



with a broad central stripe /.. aurdium 



2. Early summer-blooming species, often forced; flowers white 



a. liasal leaves broad; flower open bell-shaped /.. rdndidum 



b. Leaves all narrow lanceolate; flower trumpet-shaped L. longiflorum eximium 



(Z.. Harrisu) 



Asparagus — Asparagus 



(The Greek name) 



1. Foliage twigs thread-like 



a. Hardy vegetable with upright stems ./. officinalis 



b. Greenhouse twiner ./. plumosus 



2. Foliage twigs broader, leaf-like 



a. Foliage twigs linear; branches drooping ./. Sprcngeri 



b. Foliage twigs ovate lanceolate; stems twining A. mcdeoLndes 



Ruscns — r.utchcr's Broom 



(The Latin name) 

 Foliage twigs leathery, ovate lanceolate 



R. aiuledtus 



