150 COMMON CANADIAN WILD ^PLANTS. 



lower lip 3-lobed, longer than the thick, blunt spur. Sub- 

 merged stems bearing cleistogamous flowers. Ponds, Atl. 

 Prov. 



5. U. gib'ba, L. Scape only 1-3 inches high, 1-2-flowered, 

 with very slender short branches at the base, bearing capil- 

 lary root-like leaves and scattered bladders. Corolla yellow, 

 the lower lip with sides reflexed. Spur very thick and 

 blunt, conical, gibbous. Shallow water, central and S. W. 

 Ontario. 



2. Pl\<a I< I L A, L. BUTTERWORT. 



P. vulga'ris, L. A small and stemless perennial growing 

 on damp rocks. Scapes 1-flowered. Leaves entire, ovate or 

 elliptical, soft-fleshy, clustered at the root. Upper lip of 

 the calyx 3-cleft, the lower 2-cleft. Corolla violet, the lips 

 very unequal, the palate open, and hairy or spotted. Shore 

 of Lake Huron. 



ORDER LIX. OROBANCHA'CE^E. (BKOOMRAPE F.) 



Parasitic herbs, destitute of green foliage. Corolla more 

 or less 2-lipped. Stamens didynamous. Ovary 1-celled with 

 2 or 4 parietal placentae, many-seeded. 



1. EPIPHE'GUS, Nutt. (BEECH-DROPS.) 



E. Virginia' na, Bart. A yellowish-brown branching 

 plant, parasitic on the roots of beech-trees. Flowers race- 

 mose or spiked ; the upper sterile, with long corolla ; the 

 lower fertile, with short corolla. 



2. CONOPH'OLIS, Wallroth. SQUAW-ROOT. 

 C. Ameriea'na, Wallroth. A chestnut-coloured or yel- 

 low plant found in clusters in oak woods in early summer, 

 3-6 inches high and rather less than an inch in thickness. 

 The stem covered with fleshy scales so as to resemble a cone. 

 Flowers under the upper scales ; stamens projecting. 



3. APHYL'LON, Mitchell. NAKED BROOM-RAPE. CANCER-ROOT. 



1. A. uniflo'rum, Torr. and Gr. Plant yellowish-brown. 

 Flower^solitary at the top of a naked scape. Stem subter- 

 ranean or nearly no, short and scaly. Scapes 3-5 inches 



