APPENDIX. IO79 



tical. Corolla white with a 1 ark crimson center; capsule ovoid-conic, 

 long-pointed (globose-ovoid 'tl H. Moscheutos); calyx-segments tri- 

 angular-lanceolate, nearly tw.e as long as broad (in H. Moscheutos 

 triangular-ovate). N. J. Aug.-Sept. 



P. 623, after Hibiscus lasiocarpus, insert: 



2a. Hibiscus incanus Wendl. Velvety Rose-mallow. Erect, 

 1-2 m. tall, perennial. Leaves ovate or broadly lanceolate, velvety- 

 pubescent on both sides, 1.5 dm. long or less, acuminate at the apex, 

 obtuse or subcordate at the base, serrate-dentate, long-petioled, very 

 pale green beneath, darker above; bracts linear, 2 cm. long or less, 

 velvety, not ciliate, shorter than the calyx; calyx velvety, its ovate 

 or ovate-lanceolate acuminate lobes equalling the tube or shorter; petals 

 white, yellowish or pink, blotched at the base, 8-10 cm. long; capsule 

 ovoid, rather shorter than the calyx, hispid. In swamps, Md. to Fla. 

 and Ala. June-Aug. 



P. 627, before Hypericum sphaerocarpum, insert: 



6a. Hypericum Bissellii Robinson. Bissell's St. Johx's-wort. 

 Perennial, 4-5 dm. high, erect, glabrous. Stems leafy, nearly or quite 

 simple; leaves oblong, erect or ascending, sessile, 2-3.5 cm - l° n g> 3~5 mm. 

 wide, i-nerved; cyme about 8 cm. wide, many-flowered; bracts ovate, 

 acute, 10 mm. long or less; pedicels 4 mm. long or less; flowers about 

 1.5 cm. wide; sepals very unequal, the larger ones broadly ovate, 1.3 cm. 

 long; stamens numerous, not separable into phalanxes as they are in 

 H. adpressum; capsule 1 -celled, ovoid, pointed, 7 mm. long, the 3 pla- 

 centae not intruded. Southington, Conn. July-Aug. 



P. 631, before Helianthemum Canadense, insert: 



ia. Helianthemum propinquum Bicknell, n. sp. Intermediate 

 Frostweed. Somewhat intermediate between H. Canadense and 

 H. majus, but lower than either and growing in close masses, many stems 

 rising separately along subterranean rootstocks. Plant pale bluish- 

 green and hoary-canescent ; stems erect, at flowering time only 10-20 

 cm. high; branches ascending, firm, closely leafy, finally crowded with 

 apetalous flowers in axillary glomerules; leaves linear to narrowly 

 oblanceolate, abruptly obtuse to subacute, tapering into petioles 2-5 mm. 

 long, densely canescent beneath, the larger stem-leaves 3 cm. long and 

 7 mm. wide; petaliferous flowers 2-6, terminal, becoming loosely race- 

 mose and slender-pedicelled, finally much surpassed by the branches; 

 calyx densely hoary-tomentulose, 5-8 mm. high; capsules of the apeta- 

 lous flowers ovoid or obovoid, 2-3 mm. high. Southwestern Long 

 Island in sandy soil, beginning to flower with H. Canadense. Type 

 from Valley Stream, L. I. 



P. 635, before Viola Brittoniana, insert: 



ia. Viola Mulfordae Pollard. Miss Mulford's Violet. Finely 

 pubescent, the short thick rootstock erect or nearly so. Leaf-blades 

 oblong to ovate in outline, pinnately lobed, 8 cm. long or less, longer 

 than the petioles, the lateral lobes lanceolate, acute, the terminal lobe 

 much larger, oblong to oblong-lanceolate, crenate; scapes shorter than 

 the leaves, or at first exceeding them; flowers violet-purple, nearly 

 2 cm. broad; sepals narrowly lanceolate, ciliate; petals obovate, bearded; 

 cleistogamous flowers on erect peduncles. Dry, sandy soil, Hempstead 

 Plains, L. I. May. 



