448 SAXIFRAGATEAE C^^AXIFnAnE FAMILY) 



woodlands, Ct. to N. C, w. to Minn., o. Kan., ami Miss. Var. glauca (Raf.) 

 Rosendahl. Stems, leaves, etc., glalirous or ne.nly so, often glaucous. {H. 

 glauca Raf.; //. Curtisii T. & G. ?) — N. Y. to Tenn. and N. C. 



5. H. hispida rursh. Stems 5-12 dm. high, hispid or hirsute with long 

 spreading hairs (occasionally almost glabrous), scarcely glandular; panicle 

 very narrow; calyx 6-8 mra. long; leaves rounded, slightly 5-9-1 obed ; stamens 

 soon exserted^ longer than the spatulate petals. — Mts. of Va. and N. G. to Minn., 

 e. Kan., and north westw. May, June. 



0. H. pubescens I'ursh. Stem (3-9 dm. high) and petioles granular-pu- 

 bescent or glandular above, not hairy, below often glabrous ; leaves round-reni- 

 form, with shallow rounded lobes ; calyx 6-8 mm. long ; stamens shorter than 

 or slightly exceeding the lobes of the calyx and the spatulate petals. {H. roseola 

 and H. longiflora Rydb.) — Rich wood.s, in the mts., from Pa. to Ky., and 

 southw. June, July. 



7. H. hirsuticaulis (\Yheelock) Rydb. Stems (5-7 dm. high) and petioles 

 hirsute with long ichitish hairs; leaves reniform or suborbicular, with 7-11 

 shallow rounded crenate-toothed lobes, white-hirsute on the veins beneath ; 

 inflorescence hirsute and glandular ; calyx about 5 mm,, long ; petals greenish 

 or purplish, usually shorter than the oblong calyx-lobes ; stamens long-exserted. 

 — Bluffs and rocky banks, s. Mich, and Ind. to Mo. May, 



7. MITELLA [Tourn.] L. Miterwort. Bishop's Cap 



• 



Calyx short, adlierent to the base of the ovary, 5-cleft. Petals 5, slender. 

 Stamens 5 or 10, included. Styles 2, very short. Capsule short, 2-beaked, 

 1 -celled, with 2 parietal or rather basal several-seeded placentae, 2-valved at the 

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

 heart-shaped alternate slender-petioled leaves on the rootstock or runners, and 

 naked or 2-few-leaved flowering stems. Flowers small, in a simple slender 

 raceme or spike. Fruit soon widely dehiscent. (Diminutive of mitra, a cap, 

 alluding to the form of the young pod.) 



1. M. diphylla L. Hairy ; leaves heart-shaped, acute, somewhsit -i-^-lohed, 

 toothed, those on the many-flowered stem 2, opposite, nearly sessile, with inter- 

 foliar stipules ; flowers white, in a raceme (1.5-2 dm. long) ; stamens 10. — Rich 

 woods, Que. and N. E. to N. C, w. to Minn., la., and Mo. May. 



2. M. prostrata Michx. Similar, but with the elongate flowering stem bear- 

 ing prominently angulate-lobed alternate leaves quite to the inflorescence. — 

 L. Champlain (Michaux) ; Gaylordsville, Ct. (C. K. Averill). — Very little 

 known and possibly an aberrant plant. 



3. M. nuda L. Small and slender ; leaves rounded or kidney-form, deeply 

 and doubly crenate ; stern usually leafless, few-flowered, very slender (1-1.5 dm. 

 high); flowers greenish ; stamens 10. — Deep moist woods, in moss, Lab. to 

 Mackenzie, s. to Ct., Pa., Mich., Minn., and Mont. May-July. 



8. CHRYSOSPLENIUM [Tourn.] L. Golden Saxifrage 



Calyx-lobes 4-5, blunt, ytfllow within. Stamens 8-10. very short, inserted on 

 a conspicuous disk. Styles 2. Capsule inversely heart-shaped or 2-lobed, flat- 

 tened, very short, 1 -celled, with 2 parietal placentae, 2-valved at the top, many- 

 seeded. — Low and small smooth herbs, with tender succulent leaves, and small 

 solitary or leafy-cymed flowers. (Name compounded of xP^^^^^i gold, and airX-qv, 

 the spleen; probably from some reputed medicinal qualities.) 



1. C. americanum Schwein. Stems slender, decumbent and forking; leaves 

 principally opposite, roundish or somewhat heart-shaped, obscurely crenate- 

 lobed ; floioers distant, inconspicuous, nearly sessile, greeni.sh, tinged with yel- 

 low or purple. — Cold wet places, e. Que. to n. Ga., w. to Minn, and la. 



2. C. tetrandrum Fries. Stems erect; leaves alternate, reniform-cordate, 

 doubly crenate or somewhat lobed ; flowers corymbose ; stamens 4 (rarely 5-8). 

 (C. alternifolium Man. ed. 6, not L. ; C. iowense Rydb.) — In wet moss, Deco- 

 rah, la. {Holvmy), to the Rocky Mts., and northw. (Eurasia.) 



