56 SAXIFEAGACE^. (SAXIFRAGE FAMILY.) 



2. S. integrifolia, Hooker. Larger; leaves shorter petioled; flowers in a thyrsifonn 

 panicle; calyx lobes reflexed. 



3. S. Mertensiana, Bong. Scape and leaves from a scaly granulate bulb; leaves 

 rounded and cordate on long naked- petioles; crenately or incisely lobed, the lobes often 

 3-toothed at the end; 2 to 4 inches across; calyx free. 



2. BOYKINIA, Nutt. 



Calyx 5-lobed, adherent to the ovary. Petals 5, entire, closed. Stamens alternating 

 ■with the petals. Ovary and capside 2-celled. — Perennial herbs, with creeping rootstocks, 

 simple leafy stems; the leaves alternate, round-reniform, palmately lobed and incised or 

 toothed, the teeth with callous-glandular tips, and the petioles mostly with stipule-like 

 appendages at the base. 



1. B. occidentalis, Torr. & Gr. Smoothish, or with some rusty hairs; a foot or 

 two high; leaves thin-membraaaaceous, 3-7-lobed; petals white, 2 or 3 lines long. 



3. TELLIMA, R. Br. 



Calyx campanulate or turbinate, 5-lobed; the base coherent with the lower part of the 

 ovary. Petals 5, inserted in the throat or sinuses of the calyx, laciniate-pinnatifid, 

 S-7-lobed, or entire. Stamens 10, short. Ovary short, 1 -celled, with 2 or 3 parietal 

 placentae; styles 2 or 3, very short; stigmas capitate. Capsule conical, slightly 2-3- 

 beaked. — Perennials, with round-cordate and toothed or palmately divided chiefly alter- 

 nate leaves, few on simple stems, their petioles with stipule-like dilations at the base, 

 and the flowers in a simple terminal raceme; petals white or pfakish. 



I stals laciniate-pinnatifid , T. grandiflora. 1 



Petals entire, spatulate-obovate T. Cymbalaria. 2 



Petals entire; pedicels very short T. BolanderL 3 



Petals obtusely 3-lobed T. heterophylla. 4 



Petals acutely 3-lobed T. afBnis. 5 



1. T. grandiflora, Dougl. A foot or more high, from short stout tufted rootstocks, 

 hirsute or pubescent; leaves lobed, 2 to 4 inches in diameter; flowers dull-colored. 



2. T. Cymbalaria, Gr. Stem or scape filiform, 4 to 12 inches high, bearing mostly 

 a pair of opposite 3-lobed or parted leaves; radical leaves somewhat 3-5-lobed, half an 

 inch across, flowers few and slender pediceled, white. 



3. T. Bolanderi, Gr. Stems a foot or two high, 1-4-leaved; radical and lower 

 leaves lobed, the upper 3-5-parted; petals rarely with a small tooth on each side, white. 



4. T. heterophylla, Hook. & Am. Stems slender, a foot or less in height 1-3- 

 leaved; leaves similar to the last, but smaller; flowers fewer and smaller, sometimes 

 flesh-colored. 



5. T. afBnis, Gr. Hougher-pubescent; stem and leaves similar to the last; calyx 

 tensely rough glandular-pubescent; petals 4 or 5 lines long, white or flesh-colored. 



