]^gg SAXIFllAQACE.'i':. Mlima. 



-»- Ovarii fttUij half free : petals entire: seeds minutely roughened. 



2. T. Cymbalaria, Walp. Stem or scape iilitonn, a span to a foot high, bear- 

 in" mustiy only a pair ol' upposito 3-lub(Hl ur partuil leaves : railical leaves roiuul- 

 renit'onn, somewhat 3 - r)-lol)e(l (about half an inch in diainelei) : llowers few and 

 slender-pedicelleil : cidyx shoit and dilated-eanipanulate, with ;iii acute udnatc l)asi;; 

 its lobes very short anil broad : petals spatulate-obovate, entire. — LUhojthraijina 

 Cymbalaria, Torr. &i tlray, I'l. i. 585 ; CJray, Troc. Am. Acad. vi. 535. 



Moist .sluuly Wdoil.s, Saiilu IJuiliani to Sua Dinyo, Nuttall, Jirewcr, Cleveland. Calyx '.i Vuwh 

 and {Hjtulti 3 ur -i liiU'S loii^. 



■»- +■ Ovary and Ciii>sulc almost wholly free from the broadly i-anipanul((te Iritncatc- 

 or round liasid calyx: .seeds minutely roughened: styles smooth. 



3. T. Bolanderi, Holand. Stems a foot or two high, not rarely branching, i - 4- 

 leaved: radical and lower leaves round-reniform and more or less lobed (1^ to 2^ 

 inches in diameter), the upper 3 - 5-parted : llowers very short-pedicelled : petals 

 obovate or oval, entire, rarely with ii small lateral tooth on each .side, white. — 

 Lithojjhrayma Bolanderi, Gray, 1. c. 



Contra Costa to Alcmlociiio couiilius, Brewer, JJulamler, kc Calyx '2^ ami iictals 3 or 1 lines 

 long. 



4. T. heterophylla, Hook. iK; Arn. Stems .slender, a tout or less in height, 

 I - 3-leaved : leaves nearly as in the preceding, but smaller and usually more hirsute : 

 Howers fewer and smaller : i)etals obtusely 3-lobed, sometimes llesh-colored. — Jint. 

 Ik'echey, 346. Litkophragrna heterophylla, Torr. it Gray, 1. c. ; (iray, 1. c. 



Shady grounds, in the western part of the State, especially near San Fiancisco and on llie 

 Sacramento. Calyx 2 and petals 3 or 4 lines long. 



^_ 4- ^- Lower half or more of the ovary and capsule coherent ivith the turbinate 

 calyx-tube : seeds smooth : styles granulose. 



5. T. aflSniSjlJoland. liougher-puboscentorscabrous-pidjerulent : stem a span to 

 a f(»ot or more high, slender: leaves nearly as in tlio preceding or smaller (rarely an 

 inch in diamoLor) : llowers 5 to 12 in the lax raceme: pedicels mostly longtr llian 

 the densely rough glandular-puberulent caly.v : petals somewhat cuneate and with 

 3 short acute lobes or teeth. — Lithophragma aj/inis, (J ray, L c. 



Uoclcy and shady platxs, common through the western part of the State, and norllicast to 

 Plumas County in tlie Sierra Nevada. I^^tals 4 or 5 lines long, wiiite (»r llesh-color, large in pro- 

 portion to the calyx. 



* * Petals (pink or sometimes white) with lind) palmately 3-7-parted into narrow 

 divisions: even the radical leaves mostly W-b-parted or divided: slender or fili- 

 form rootstock and sometimes even the few-flowered raceme bearing clusters of 

 small grain-like bulblets. 



fi. T. parviflora, TTook. IJoughish-hirsute or scabrous-pubescent, a span to a 

 foot high : divisions of the leaves narrowly cuneate and once or twice 3-cleft into 

 narrow lobes : pedicels erect, about the length of the obconical or at length almost 

 clavate calyx : petals deeply 3-cleft into linear or oblong divisions : ovary and capsule 

 fully half inferior. — Fl. i. 239, t. 78. T. parvifolia, Hook. & Arn. Lithophragma 

 parviflora, Nutt. ; Gray, 1. c. 



Shady and rocky places, British Columbia to the mountains of Utah and Colorado, and pnd.a- 

 Lly in the northern part of California. " N. California, Meuzics," according to Hooker : but the 

 plant may more probably be T. affmis. 



7. T. tenella, Walpers. Small and slemha-, 2 to 9 incljes high, roughish with a 

 minute glandular pulxi.scenco : heaves smaller than in the preceding (about half an 

 inch in diameter) : piidiitels ascending or s|»reading: calyx c.ampanulate, the bas(» 

 either roundish or ar-utish : petals 3 - 5-parte.d or even irregularly 7 parted into 

 mostly linear divisi.ms: ovary ai\(l capsule free except the ba.se. - Hot. King. 



