448 SAXIFRAGACEAE (SAXIFRAGE FAMILY) 



woodlands, Ct. to'N. C., w. to Minn., e. Kan., and Miss. Var. <;i,.u'rA (Raf.) 

 Rosendahl. Steins, leaves, etc., glabrous or nearly so, often glaucous. (//. 

 cjlauca Raf.; II. Curtisii T. & G. ?) N. Y. to Tenn. and X. C. 



5. H. hlspida Pursh. Stems 5-12 dm. high, hispid or hirsute with long 

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

 very narrow ; calyx 6-8 mm. long ; leaves rounded, slightly 5-9-lobed ; stamens 

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

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



0. H. pubSscens Pursh. Stem (3-9 dm. high) and petioles granulnr-im- 

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

 1'orm, with shallow rounded lobes; calyx 6-8 mm. long; stamens shorter tlmn 

 or slightly exceeding the lobes of the calyx and the spatulate petals. (//. roseola 

 and H. longiflora Rydb.) Rich woods, in the mts., from Pa. to Ky., and 

 southw. June, July. 



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

 hirsute with long whitish 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-exstrt' <!. 

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



7. MITELLA [Tourn.] L. MITERWORT. BISHOP'S CAP 



Calyx short, adherent to the base of the ovary, 6-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 steins. 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, somewhat 3-5-lobed, 

 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 ; stem 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, yellow 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 vff ^i ffohl, and <nr\^v, 

 the spleen; probably from some reputed medicinal qualities. ) 



1. C. americanum Schwein. Stems slender, dx-innhmt and forking; 1,-nns 

 princtjKilh/ (>j>i>nxit.<\ roundish or somewhat heart-shaped, obscurely crenate- 

 lolied ; flowers iHsfm/f, inconspicuous, nearly sessile, greenish, tinged with yel- 

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



2. C. tetrandrum Fries. Mr,//* erect; leave* nlftnxitc. reniform-cordate, 

 doubly crenate or somewhat lobed ; flowers cori/itifmxi' ; stamens 4 (rarely 5-8). 

 (C. altcrnifnlinm Man. ed. 6, not L. ; C. intn-nsi' Kydl>. ) In wet moss. Deco- 

 rah, la. (llolway), to the Rocky Mts., and northw. (Kurasia.) 



