138 CLASS VI. ORDER I. 



Allium tricoccon. Willd. Lanctolatc Garlic. 



Scape naked, half round ; leaves oblong lanceolate, 

 flat, smootli ; umbel globose ; seeds solitary. 



This garlic, with broad lanceolate leaves, I liave met with in 

 the woods at Berwick, Maine. — July. — Perennial. 



150. PONTEDERIA. 



PoNTEDERiA coRDATA. L. Pickcrcl-weed. 



Leaves heart shaped, flowers spiked. L. 



During the month of July, the tall 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, 

 irregular, 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 n)iddle. The 

 flowers roll themselves up when old. Capsule oblong, curved, 

 with six acute, unequal toothed angles. Seed one, oblong, acu- 

 minate. — Perennial. 



151. HYPOXIS. 

 Hypoxis ERECTA. L. Yellow Bethlehem Star. 



Hairy ; scape about four flowered, shorter than the 

 leaves; leaves linear-lanceolate; peduncles twice as 

 long as the flower. 

 Si/n. Hypoxis Caroliniana. Mich. 



The yellow, starlike flowers of this plant appear among the 

 grass in pastures, in June and after. Root bulbous. Leaves 

 grass-like, hairy. Scape slender, hairy, divided at top into about 

 four peduncles, with subulate bractes or spathes at their base. 

 Corolla wheel shaped, of six lanceolate petals or segments, hairy 

 on the outside. — Perennial. 



