130 Class VI. Order I. 



159. ALLIUM. 



ALLIUM CVNADENSE. L. Canada Garlic. 



Scape naked, round ; leaves linear ; head bearing 

 bulbs. 



Leaves radical, smooth, channelled above. Scape smooth, 

 round. Spathe ovate, acute. The scape supports a head of 

 bulbs with a short leaf under each, and a few pedunculated 

 whitish flowers. Woods, Chelsea beach island. June. Peren- 

 nial. 



ALLIUM TRICOCCON. Willd. Lanceolate Garlic. 



Scape naked, half round ; leaves oblong-lanceolate, 

 fiat, smooth ; umbel globose ; seeds solitary. 



This garlic with broad lanceolate leaves I have met with in 

 the woods at Berwick, Maine. July. Perennial. 



140. PONTEDERIA. 



PONTEDERIA coRDATA. L. Pickirel-iveed. 



Leaves heart shaped, flowers spiked. L. 



During the month of July, the tali blue spikes of Pontederia 

 are very conspicuous on the borders of ponds and rivers of deep 

 water and muddy bottoms. Stem erect, fleshy, cylindrical. 

 Leaves long, heart shaped, very smooth, with convergent nerves. 

 Stem leaf sheathing at the base of its stalk. Flowers in a cylin- 

 drical spike, proceeding from a short spathe. Corollas blue, ir- 

 regular, the tube curved, pubescent, channelled, green at base, 

 the border in six divisions, the three uppermost united, with 

 commonly, not always, a yellow spot in the middle. The flow- 

 ers roll themselves up when old. Capsule oblong, curved, with 

 six acute, unequal, toothed angles. Seed one, oblong, acuminate. 

 Perennial. 



141. HYPOXIS. 



HYPOXIS ERECTA. L. Yettoio Bethlehem Star. 



Hairy ; scape about four flowered, shorter than 

 the leaves ; leaves linear-lanceolate ; peduncles twice 

 as long as the flower. 



