102 



FLORA OF PHILADELPHIA. 



6. ORNITHOGALUM L. Star-of-Bethlehem 



Flowers corymbose, erect; pedicels long, slender. 

 Flowers racemose, drooping; pedicels very short, stout. 



1. Oenithogalum umbellatum L. M. p. 267. 



Early summer. 



2. Oenithogalum nutans L. M. p. 267. Escaped from gardens. Spring, 



1. 0. umbellatum. 



2. 0. nutans. 



Escaped from gardens. 



7. MUSCAEI Mill. 

 1. MuscAEi BOTRYOIDES (L.) Mill. Grape Hyacinth. M. p. 268. Escaped 

 from gardens into copses and fence rows. Spring. 



8. ALETEIS L. 

 1. Aletris farinosa L. Colic-root, Star-grass. M. p. 269. Dry, sandy 

 soil. Early summer. 

 Philadeljjhia — Wissahickon, extinct (1) (Me.) (Re.). Montgomery — 

 Willow Grove (Mac). Delaware — Bhoads ' Swamp (Fu.), Williamson 

 (Le.), Lima (Ja.) (Wn.), Swarthmore (Sch.), Thatcher's Swamp, Aston 

 (B. Sm.), Concord (W. Tr.). Chester— Oxford (Cr.), W. Bradford (St.). 

 New Jersey — Southern counties, frequent. 

 New Castle— Hand's, Clark's, etc. 



9. YUCCA L. 



1. Yucca filamentosa L. Adam's Needle. 

 cultivation. Summer. 



M. p. 270. Escaped from 



Family 4. CONVALLARIACEAE Link. Lily-of-the-Valley Family. 



Leaves reduced to scales; leaf -like branchlets filiform. 1. Asparagus. 

 Leaves broad; stems simple or somewhat branched. 

 Leaves alternate or basal. 



Leaves basal ; flowers umbelled or solitary. 2. Clintonia. 

 Leaves alternate (solitary in flowerless plants of No. 4). 

 Perianth-segments separate. 



Perianth segments 6. 3. Vagnera. 



Perianth-segments 4. 4. Unifolium. 



Perianth eylindric or oblong, 6-toothed. 5. Salomonia. 



Leaves nearly basal ; flowers racemed ; perianth 6-toothed. 



6. Convallaria. 

 Leaves in 1 or 2 whorls below the flower or flowers. 



Leaves in 2 whorls; flowers umbelled. 7. Medeola. 



Leaves in 1 whorl; flowers solitary. 8. Trillium. 



1. ASPARAGUS L. 

 1. Asparagus officinale L. Garden Asparagus. 

 from cultivation. Summer. 



M. p. 270. Escaped 



2. CLINTONIA Raf. 

 1. Clintonia borealis (Ait.) Raf. M. p. 270. Cold, moist woods. 

 Lancaster— Paradise Valley (Sa.). Lehigh— Salshnrg (Kr.). 



Spring. 



3. VAGNERA Adans. 



Flowers numerous, panicled. 

 Flowers few-several, racemose. 



1. V. racemosa. 



2. F. stellata. 



