LILY FAMILY 



2. Yucca glauca Nutt. Bear-grass. 

 (Fig. 1026.) 



'ucca glauca Nutt. Fraser's Cat. 1813. 

 'ucca angitstifolia Pursh, Fl. Am. Sept. 227. 1814. 

 Caudex very short, the leaves all basal, nar- 

 wly linear, smooth, very stiff, sharp-pointed, 

 i-3 long, 2"-s" wide, with a broader base! 

 concave, at least when dry, the marginal fibres 

 filiform, usually numerous; scape short; flowers 

 ''-3' broad, racemose or in a little-branched 

 nicle i-4 long; perianth-segments ovate, i'- 

 itft' long; style short; stigmas shorter than the 

 ovary; pedicels stout, erect and I'-iJ^' long in 

 it; capsule bblong, 2'-$' long, about i' thick, 

 ided; seeds very flat, about %' broad. 

 . dry soil, Iowa and South Dakota to Wyoming 

 nth to Missouri, Texas and Arizona. May Jtim 



Famil 20. 



3. Yucca filament6sa L. Adam s Needle. 



}'ucca Jilamcnlosa I.. S]> I'l \i>). i- 



Caudex very short, or sometime* i 4 hijjh. Leave* 

 lanceolate, narrowed above the broad base. acumi- 

 nate and sharp-pointed, flat, roughub, i-a#* long. 

 9"-2' wide; scape a-io high; panicle lar. 

 branches divergent or ascending, the lower oArn i* 

 long or more; flowers numerous; penaiitb-tcgmeots 

 * %'-*%' long, ovate; stigmas slender, bat shorter 

 than the ovary; pedicels rarely more than ,S' long; 

 capsule oblong, i^'-a' long, about 10" tl. 



In sandy soil, Maryland t<> Florida, Tl HIM Mil awl 

 Louisiana. Much i-ulti\.i;. pcl 



from gardens in southern I't nn-ylvmni*. >! 



1829. 



CONVALLARIACEAE Link. Handb. i: 184. 



LlIvY-OK-THE-VALLKY FAMILY. 



Scapose or leaf}--stemmed herbs, with simple or branched rootstocks, never 

 with bulbs or corms. Flowers solitary, racemose, punided (r urn belled, regular 

 and perfect. Leaves broad, parallel-veined and sometimo witli crw vi-inlets. 

 alternate, verticillate or basal, or in AS/HI nig us and its allies reduced to scales 

 bearing filiform or flattened branchlets in their axils. lYrianth 4-6- 



parted with separate segments, or oblong, cylindric or urn-shaped and 6-tabed 

 <>r 6-toothed. Stamens 6, hypogynous or bome on tlu- jvrianth; antlu-i 

 trorsely, extrorsely or laterally dehiscent. Ovary j-.vcellcd. -t;; 

 anatropous or amphitropous: style slender or sho; -lied. 



Fruit a fleshy berry. Seeds few or numerous. Embryo small. Endosperm copious. 



About 23 genera and 215 species, widely distributed. 

 Leaves reduced to scales; leaf-like branchlets filiform. 

 Leaves broad; stems simple or somewhat branched. 

 Leaves alternate or basal. 



Leaves basal; flowers umbelled or solitary. 

 Leaves alternate (solitary in flowerlcss plants >f 

 Perianth-segments separate. 



Flowers racemed, umbelled, panicl. 

 Flowers racemed or panicled. 

 Perianth-segments 6. 

 Perianth-segments 4. 

 Flowers umbelled or solitary. 

 Flowers solitary or two together, axillary. 

 Perianth cylindric or oblong, 6-toothed. 

 Leaves nearly basal; flowers racemed; perianth 6-toothc<l. 









BUML 









>/! 



8. 



