Th 
2. Tierella L. SaiRmemeshiiegie:, 
Leaves basal and on the 
stems, the former long-petioled, stipules present. Flowers numerous, smal] 
white, in a terminal panicle or raceme. Calyx 5-lobed, campanulate. Petals 
5, linear-subulate in our species. Stamens 10, exserted, the filaments filie . 
form. Ovary supsrior, 2Lobed, terminating in filiform styles. Capsule 26) 
valved, the valves very unequal, the longer boat-like, the two forming a 
slipper-like structure. 
, 
1. T. unifoliata Hook. yRootstock slender, basal leaves several, 
ovate-rotund to reniform-rotund, 4-8 cm. in diameter, deeply cordate, the 
sinus open and rounded, shallowly 5=7 lobed, the lobes triangular, commonly . 
acute ,cronate-dentate, the teeth rounded and cuspidate,both surfaces sparingly 
covered with short, erect hairs, the petioles 23 times the length of the 
blades, more or less glabrous, the cauline leaves conforming, short petioled, 
commonly 2-5; panicles 15-20 cm. long or more, glandular, the lateral branches 
commonly 1-2 cm. long, subtended bj teGanedsemk—teaves, few-flowered, bracts . 
wanting; flowers white, nodding; calyx 2.5 mm. long, puberulent, the lobes 
ovate, equal to the tube, on pedicels twice as long; petals linear-subulate, 
about twice or thrice as long as the sepals; stamens and styles about 4 mn. long, 
eneombeby, conspicuous; lower valve of capsule frequently 1 cm.long, tipped by 
the persistent style, the upper half as long or less; seeds 1.2 mme long, 
black, shining. 
Abundant in shaded woods throughout our region, 2000-6500 feet. 
RDN cs ip 
