348 FLORA. 



N. C. and Tcnn. May to July. [Asarum macranthum (Shuttlw.) Small; not 

 Hook. A. Shtdtleworthii]. Britten.] 



3. Hexastylis Virginica (L.J Small. Virginia Hexastylis. (I. F. f. 

 1278.) Leaf-blades ovate or rarely orbicular-ovate, 4-9 cm. long, mostly obtuse or 

 retuse, usually with an open sinus; petioles as long as the blades or twice as long; 

 calyx I.5-2 cm. long, the tube campanulate; the segments less than I cm. broad, 

 rarely half as long as the tube, spreading, usually purplish and sometimes mottled 

 within; pedicel about as long as the calyx; prolongations of the styles stout, barely 

 notched; capsule only slightly distending the calyx; seeds oblong. In woods, Va. 

 and \V. Va.. south to S. Car. and Tcnn. May-June. (Asarum Virginicum L. ) 



4. Hexastylis Memmingeri (Ashe) Small. Memminger's Hexastylis. 

 Slender. Leaf-blades suborbicular or ovate, 4-7 cm. long, mostly obtuse or retuse, 

 sometimes mottled, with a slightly open sinus; petioles about as long as the blades 

 or much longer; calyx I-I.5 cm. long, urn-shaped, the tube more or less con- 

 stricted at the throat; the segments rarely over 3 mm. long, obtuse; pedicel as long 

 as the calyx or shorter; prolongations of the styles slender, usually deeply cleft; 

 capsule conspicuously distending the calyx; seed sharply triangular. In sandy 

 woods, Va. and W. Va., south to Ga. May and June. (Asarum Memmingeri Ashe.) 



5. Hexastylis Ruthii (Ashe) Small. Ruth's Hexastylis. Stout. Leaf- 

 blades hastate to triangular, occasionally slightly rhombic, 8-15 cm. long, obtuse, 

 retuse or abruptly pointed, with a rather narrow sinus; petioles longer than the 

 blades; calyx 2-3 cm. long; the tube narrowed to the mouth but not constricted, 

 usually over 10 mm. in diameter at the throat, the segments erect, mostly longer 

 than broad, dull purplish green within; pedicel as long as the calyx or much 

 longer; prolongations of the styles notched to the stigma; capsule barely distending 

 the calyx-tube. In sandy woods, S. W. Va. to Tenn. and Ala. April to July. 

 (Asarum Ruthii Ashe. ) 



6. Hexastylis arifolia (Michx.) Small. Halberd-leaved Hexastylis. 

 (I. F. f. 1280.) Stout. Leaf- blades hastate, triangular or ovate-hastate, 6-12 cm. 

 long, mostly obtuse or retuse, entire, sometimes with a wide-open sinus; petioles 

 usually much longer than the blades; calyx 2-3 cm. long, urn-shaped; the tube 

 less than 8 mm. in diameter at the constricted throat; the segments triangular or 

 rounded, broader than long, spreading, purple-brown within; prolongations of the 

 styles cleft to the top of the stigmas; capsule only slightly distending the calyx-tube. 

 In sandy soil, Va. to Ga. and Ala. May to July. (Asarum arifolium Michx.) 



2. ASARUM L. 



Perennial acaulescent herbs, with usually manifestly pubescent foliage. Root- 

 stocks elongated; roots fibrous. Leaves in pairs, deciduous, the blades membra- 

 nous, mostly broader than long, cordate at the base, petioled. Flowers on pedicels 

 arising from between the petioles. Calyx pubescent without, the tube angled, the 

 3 segments as long as the tube or longer, inflexed in the bud. Corolla none. 

 Stamens 12 ; filaments longer than the anthers. Ovary adnate to the calyx-tube. 

 Styles united; stigmas terminal. Capsules inferior, angled. Seeds plump. [The 

 ancient name, meaning obscure.] 



Calyx-segments lanceolate-acuminate, longer than the tube, not reflexed. 



Calyx-segments slightly longer than the tube, the tubular portion 4-8 mm. long; 



species mainly Alleghenian. I. A. Canadense. 



Calyx-segments much longer than the tube, the tubular portion 10-20 mm. long; 

 species campestrian. 2. A. acuminatum. 



Calyx-segments triangular, merely acute, about as long as the tube, reflexed. 



3. A reflexum. 



1. Asarum Canadense L. Wild Ginger. (T. F. f. 1277.) Foliage finely 

 pubescent. Petioles 1.5-3 dm. long ; blades reniform, 1-1.8 dm. broad, often 

 Short-pointed, with a usually closed basal sinus ; calyx slender, pedicelled. pubes- 

 cent without, 2-3.8 cm. broad, mainly brownish purple, its tube angled, its seg- 

 ments lanceolate, acuminate, longer than the tube, with tubular tips 4-8 mm. long,, 

 curving upward ; style-Column 6-lobed : capsule 12-15 mm. in diameter. In rich 

 woods," N. B. to Quebec, Ont. and N. C. April-May. 



2. Asarum acuminatum (Ashe) Bicknell. LONG-TIPPED Wild Ginhkr.. 

 (I. F. f. [277a.) Quite similar to ./. Canadense, but more pubescent, at least 



