^fiie^la- SAXIFRAGACE^. jgg 



Exp. 95 Litfwphracpna tencUa cl- L. glabra (a smoother form), Nutt. in Torr 

 & Gray, 11. i. 584 ; (Jiay, 1. c. 



Rocky moist ground, throufrl, the rmrtliorn portion of the Siena Nevada ; tliencc to the Rockv 

 Mountains Ca y.x 1 or 2 lines long. Petals 2 or 3 lines long, generally pink or rose-color 

 Granulate hulblets copious at the root, and sometimes in the place ^fllowers in the raceme 



6. TIARELLA, Linn. 

 Calyx r)-parto(l ; tho hnao almost fivo from tlio ovary, tlio lobes moro or loss 

 coIohmI. Petals 5, undivided, small, with short claws. Stamens 10 : fdaments long 

 and slender: anthers with 2 parallel cells. Ovary 1-cellcd, compressed, 2-horned 

 (the horns or lobes tapering into long filiform styles), soon unequal and dehiscent, 

 one valve or carpel in fruit lanceolate-elongated, the other remaining very much 

 shorter. Seeds rather few and only at the base of each parietal placenta, globular, 

 with a smooth and shining crustaceous coat. — Perennial low or slender herbs, often 

 multiplying by summer runners; with palmatoly lobod or divided altorimto loaves, 

 and sometimes scaly stipules at tho base of the petiole, and a terminal raceme or 

 panicle of small white flowers. 



and two'fh^Va'if'c coasf^ North Asiatic genus of five species, one inhabiting the Atlantic States 



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

 to a foot or more ong : leaves thin, cordate, either rounded or somewhat triangular 

 ,5-.)-iobed and the lobes creuate-tootluMl ; the radical ones slender-poti..I(Ml the 

 cauliue mostly one, smaller, and short-petioled, or sometimes (maiuly on decunibcnt 

 and later flowering shoots) 2 or 3 similar to the radical: jianiclo raceme-like and 

 loose: petals small and inconspicuous, almost filiform.— Fl. i. 238 t 81 Heuchera 

 loiH/ipetala, Moyino, Ic. Ined. t. 423. 



f1.?n,'wl'uT\"nr'\'^''""^-lV-'V^ .^l'^*'*? ^*'- (^^^"''.W). Men.looino Co. (Bolandcr), and north 

 through Hr. ish Co urnbia The (•al.fornian and .some of the moro northern specimens incline o 

 have ..longatd and 2-3- caved flowering stems, and whole plant moro hairjs the var ^'r^m 

 but tins IS merely a luxuriant state. The lobing of the leaves varies, so that il may piss h'tT ' 



\u7'''^TU'''tu ^;'""- i^- •^'«"''^'^'''/^. l''f^3l). which extends from the mountains of Oregon to 

 Alaska and N. W. Asia, has most of Its loavoH divided into tinoo dislinct, leallcl^. 



7. MITELLA, Tourn. MiiiiK-woirr. 



Calyx short ; the broad tube coherent with tho base of tho ovary and dilated 

 beyond it, 5-lobed ; the lobes valvate irv the bud, spreading. Petals 5, inserted on 

 the throat of the calyx, very slender, pinnately parted or 3-cleft ; the divisions 

 almost capillary. Stamens 10 or 5, very short: anthers cordate or reniform 2- 

 celled. Ovary short and broad, 1-celled, with 2 parietal or almost basal placentre, 

 mainly or partly superior : styles 2, very short : stigmas capitellate. Capsule glob- 

 ular or depressed, hardly at all lobed, opening across the broad summit. Seeds 

 several to each placenta, obovate, with a Arm and smooth black and shining close 

 crustaceous coat. — Small perennials (N. American and N. E. Asian); with more or 

 less creeping slender rootstocks and summer runners, small and greenish or some- 

 times white flowers in a simi)Ie raceme, and conlate or round-reniform simple leaves, 

 which are all radical and long-petioled, or two or moro on (lowering stems, those in 

 one species (of E. North America) opjwsite. Petioles, etc., mostly loosely hirsute. 



I. M. Breweri, Cray. Leaves all in a rlusl(>r on the mol slock, roiind-rciiiforni, 

 cren!il<> and crenntely incised, of n-mpantivoly (irm foxfure. s(.on nearly glabrous, 



