LILIACBAE 



y. Flowers in an elongated spike, 01 

 /.. Flowers in a brani hed p. mi. le, 

 (b) Plants with true bulbs 

 x. Flowers vi ith an involui re 

 (x) Flower solitary 

 (v) Flowers in a cluster 

 v. I lower i luster \\ ithout an involui re 

 I x 1 Trials ami sepals separate 

 in. Petals and sepals white or greenish, n 

 n. Petals and sepals blue (rarely whiti . 

 (y) Petals and sepals united at the base into ■ 

 Flowers solitary, Lome due, ii v ,,„ the under-groun 



(1) Plant with a corm; flower conspicuous 



(2) Plant with a creeping rootstock; flowers in 









Aloe— Aloe 



une) 



Fleshy greenhouse plants; the leaves usually spiny 



1. Leaves many ranked 



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

 1). Stems short, covered with the small warty leaves 



2. Leaves 3-ranked, warty and mottled 



1 [aworthia 



(Named for Haworth, an El 



Fleshy greenhouse plant with short Stem, and small whitish ll 



Tulipa -Tulip 

 1 X. I., tulipa, turban, from tb< foi n 



Spring-flowering bulbs, often force. 1 into winter blooming. I 

 forms are generally considered as forming the two sp< 



1. Early flowering, pubescent 



2. Late flowering, smooth 



Lilium — Lily 



1 I. at. nam.- of the lily, Or. lemon | 



1. Autumn-blooming species, sometimes delayed for indoor n 



ing ; flowers usually spotted or striped on a white gi 



a. Flower flat; petals reflexed from the base 



b. Flower open bell-shaped ; petals reflexed only at the • 



with a broad central stripe 



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



a. Basal leaves broad; flower open bell shaped 



b. Leaves all narrow lanceolate; flower trumpet 





■ 



Asparagus Vs] 



iTIi,- ■ 

 Foliage twigs thread like 



a. Hardy vegetable witli upright steins 



b. « Greenhouse twiner 



Foliage twigs broader, leaf like 



a. Foliage twigs linear: branches drooping 



b. Foliage twigs ovate lanceolate; st^ns twining 





Riiscus Butcher's 



Foliage twigs leathery, ovate Ian 



