LIUACEAE 81 



Ark. — Pennsylvania : Monroe ; Schuylkii^i^ ; Lebanon ; Lancaster ; 

 Chester ; Carbon ; Philadelphia ; Pike. 



3. VERATRUM L. 



1. Veratrum viride Ait. American White Hellebore. Indian 

 Poke. (Man. p. 259 ; I. F. f. g84.) In swamps, Quebec to Alaska, Ga. , 

 Minn, and B. C. — Pennsylvania : Monroe ; Schuylkill ; Northamp- 

 ton ; Lancaster ; Franklin ; Bucks ; Blair ; Lebanon ; Perry ; 

 Luzerne ; Delaware, Media ; Chester ; Erie. 



4. STENANTHIUM Kunth. 



1. Stenanthium robustum S.Wats. STOUT STENanThium. (Man. 

 p. 257 ; I. F. f. 08^.) In moist soil, Pa. and Ohio to S. C. and Tenn. — 

 Pennsylvania : Lancaster ; Clarion ; Armstrong ; Allegheny. 



5. MELANTHIUM L. 



Blades of the sepals and petals oblong-, entire : leaf-blades linear or nearly so. 



I. M. l''irgin cum. 

 Blades of the sepals and petals suborbicular, undulate or crisped : leaf blades 

 manifestly broadest above the middle. 2. M. lalifoliunt. 



1. Melanthium Virginicum L. Bunch-flower. (Man. p. 259 ; I. 

 F. f. 98/.) In meadows and wet woods, R. I. to N. Y., Minn., Fla. and 

 Tex. — Pennsylvania : Lancaster ; Allegheny ; Huntingdon ; 

 Franklin ; Chester ; Delaware. 



2. Melanthium latifolium Desr. Crisped Bunch-flower. (Man. 

 p. 259; I. F. /. 982.) In dry woods and on hills, Conn, to Pa. and S. C. 

 — Pennsylvania : Northampton ; Bucks ; Dauphin ; Huntingdon ; 

 Monroe ; Armstrong. 



Family 3. LILIACEAE Adans. Lily Family. 



Herbs with bulbs or corms. 



Flowers in umbels, at first included in, later subtended bj' a scarious invo- 

 lucre. I. Allium. 

 Flowers solitary or racemose, sometimes whorled, without an involucre. 

 Sepals and petals distinct. 

 Anthers not introrse. 



Anthers versatile. 2. Lilium. 



Anthers erect. 

 Flower erect : capsule columnar : seed flat. 3. Tulipa. 



Flower nodding : capsule obovoid : seed globular. 



4. Erythronium. 

 Anthers introrse. 



Filaments filiform. 5. Quamasia. 



Filaments flattened. 6. Ornithog.4.lum. 

 Sepals and petals more or less united. 



Perianth urn-shaped, with tooth-like lobes. 7. Muscari. 



Perianth funnelform, with spreading lobes. 8. Hemerocallis. 



Shrubby plants with woody caudices. 9. Yucca. 



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