SAXIFRAGACE.E. (SAX!FliAGE FAMILY.) 93 



ous, tlie upper with foUaceous and rounded stipules. — In the Sierras from 

 California to Oregon and extending into the Bitter-Uoot Mountains. 



3. TELLIMA, K. 15r. 



Calyx campanulate or turl)inate, 5-loljed ; the base of the tube coherent 

 with the base or lower half of the ovary. — Perennials : with palniately- 

 divided leaves, few on the simple stems; their petioles with stipule-like dila- 

 tations at base : flowers in a simple terminal raceme ; petals white or pink. 

 In ours the slender or filiform rootstock and sometimes even the few-fluwcred 

 raceme bear clusters of small grain-like bulblets. 



1. T, parviflora, Ilook. Roughish-hlrsate or saibroiis-jmhesceut, a span to 

 afoot high : divisions of the leaves narrowly cuneate and once or twice .3-cleft; 

 calijx obconical or at length almost clavate: petals deepli/ 3-(l eft into linear or 

 oblong divisions: ovari/ and capstde fullij half- inferior. — Colorado, Utah, and 

 nortliward through the Yellowstone region to British America. 



2, T. tenella, Watson. Small and slender, 2 /o 9 inrlies high, roughish 

 with a minute glandular pubescence: leaves smaller tlian the preceding (J inch 

 in diameter) : cahjx campanulate : petals 3 to b-parted or even irregularly 

 7-parted into mostly linear divisions : oi'arg and capsule free except the base. — 

 Bot. King's Exp. 95. Colorado and the Teton Mountains, thence west to the 

 Sierras. 



4. TIARELLA, L. 



Calyx 5-parted ; the base almost free from the ovary, the lobes more or less 

 colored. — Perennial, low or slender : with palmately lol)ed or divided alter- 

 nate leaves, and a terminal raceme or panicle of small wliitc flowers. 



1. T. unifoliata, Hook. Somewhat pubescent or hairy : flowering stems 

 a span to a foot or more long : leaves thin, cordate, either rounded or some- 

 what triangular, 3 to 5-lobed and the lobes crenate-toothed ; the rndical ones 

 slender-petioled ; the cauline mostly one, smaller, and short-petioled, or some- 

 times 2 or 3 similar to the radical. — From California to British Columbia 

 and extending into N. W. Montana. 



5. MI TELL A, Tourn. Mitre-wot^t. 



Calyx 5-cleft, short, coherent with the base of the ovary. — Low and slender 

 perennials: with round heart-shaped alternate leaves on the rootstock or nm- 

 ners; those on the scape opposite, if any: flowers small, in a simple slender 

 raceme or spike. 



1. M. pentandra, Hook. Leaves all radical, cordate, slightly lobed, 

 crenatelij serrate: cahjx adherent nearli/ to the summit (f the ovarii: p(tals 

 pectinate-pi nnati fid : stamens opposite the petals : stigmas 2-lobed. — From 

 Colorado to the Yellowstone and the Bitter Root Mtuintains. 



2. M. trifida, Graham. Leaves as in the last, but dfiifate: rali/x adhe- 

 rent to the middle of the ovary : petals 3 to b-paried : stamens opposite the calyX' 

 lobes: stigmas entire. — By mistake in Fl. Colorado this species was described 

 under the name ^f. pentandra. From Colorado to British America, ami who 

 in California. 



