SAXIFKAGACKE. (sAXIFEAGE FAMILY.) 145 



6. raiTl^IiLiA, Toom. Miib£-wobt. Bisnop's-CAP. 



Calyx short, coherent with the base of the ovary, 5-cleft. Petals 5, slender, 

 pinnatifid. Stomens 10, included. Styles 2, very short. Pod short, 2-beaked, 

 l-celled, with 2 parietal or rather basal several-seeded placentsB, 2-valved at the 

 summit. Seeds smooth and shining. — Low and slender perennials, with round 

 heart-shaped alternate leaves on the rootstock or ninners, on slender petioles ; 

 those on the scapes opposite, if any. Flowers small. In a simple slender raceme 

 or spike. (Name a diminutive from fUTpa, a mitre, or cap, alluding to the foim 

 of the young pod.) 



1. M. dipiiylla^ L. Hairy, leaves heartsliaped, acute, somewhat 3-5- 

 lobed, toothed, those on the vianif-Jiowered-scape 2, opposite, nearli/ sessile. — Hill- 

 Bides in rich woods, W. N. England to Wisconsin and Kentucky. May. — 

 Flowers white, in a raceme 6' - 8' long. 



2. M. nftda, L. Small and slender ; leaves rounded or kidne;/-form, deeply 

 and doubly crenate; scape usually leafless, few-flowered, very slender (4' -6' high). 

 (M. cordifolia, Lara, M. prostrata, Michx.) — Deep moist woods with mosses, 

 Maine to Wisconsin and northward. May -July. — A delicate little plant, 

 shooting forth runners in summer. Blossoms greenish. 



7. TIAB]E:Li1iA, L. false Mitbe-wort. 



Calyx bell-shaped, nearly free from the ovary, 5-parted. Petals 5, with claws, 

 entire. Stamens 10, long and slender. Styles 2. Pod membranaceous, 1- 

 celled, 2-valvcd, the valves unequal. Seeds few, at the base of each parietal 

 placenta, globular, smooth. — Perennials : flowers white. (Name a diminutive 

 from Ttapa, a tiara, or turban, from the form of the pod, or rather pistil, which 

 is like that of Mitella, to which the name of Mitre-wort properly belongs.) 



1. X. cordifolia, L. Leaves from the rootstock or summer rannew 

 heart-shaped, sharply lobed and toothed, sparsely hairy above, downy beneath ; 

 scape leafless ( 5' - 1 2' high ) ; raceme simple ; petals oblong. — Rich rocky woods ; 

 common from Maine to Wisconsin, northward, and southward along the moun- 

 tains. April, May. 



8, CHBYSOSPlitlVIlTM:, Tom-n. Golden Saxifeage. 



Calyx-tube coherent with the ovary ; the blunt lobes 4-5, yellow within. 

 Petals none. Stamens 8-10, very short, inserted on a conspicuous disk. 

 Styles 2. Pod inversely heart-shaped or 2-lobed, flattened, very short, l-celled, 

 with 2 parietal placentae, 2-valvcd at the top, many-seeded. — Low and small 

 smooth herbs, with tender succulent leaves, and small solitary or leafy-cfymed 

 flowers. (Name compounded of xpucos, (jfoWm, and <rtr\r]v, the spleen, probably 

 from some reputed medicinal qualities.) 



1. C. Americamiin, Schwein. Stems slender, diffusely spreading, 

 forking ; leaves principally opposite, roundish or sonrewhat heait-shaped, ob- 

 scurely crenate-lobed ; flowers distant, inconspicuous, neai-ly sessile (greenish 

 tinged with yellow or purple). )|. — Cold wet places ; common, especially north- 

 ward. April, May. 



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