APPENDIX. 431 



MELANDRYUM. 



J Gasteolychnis. Styles 5. 

 * Seeds -with an inflated membranous margin. 



1. M. IHVOLUCEATUM, Cli. & Sch,, Var. affine, Vahl. Greenland; Labrador. 



2. M. APETALUM, Fenzl. (Lychnis, L.) See page 36. 



* * Seeds not margined. 



3. M. TKIFLOETJM, Liebm. (Lychnis, R. Br.) Greenland. 



4. M. Ajanense, Eobr. (Lychnis, Regel.) See page 37. 



§ EiiSANTHB. Styles 3. 

 * Fruiting calyx contracted at the apex. 



5. M. IixnsroENSE, Eohr. (Silene regia, Sims.) Obio to Illinois and southward to Alabama and Mis- 

 sissippi. 



* * Fruiting calyx open at the top. 



(a.) Flowers in panicled cymes, the central ones reflexed in ficuit. 



6. M. ViEQiNicuM, A. Braun. (Silene, L.) From W. New York and Canada to Illinois and south- 

 ward to Georgia and Alabama. 



7. M. Pbnnsyxvaotcum, Eohr. (Silene, Mx.) From New England to Pennsylvania and Kentucky 

 and southward to Georgia and Alabama. 



8. M. Califoenicum, Eohr. (Silene, Dur. S. laciniata, Var., Gray.) Calyx-teeth ovate-oblong, ob- 

 tuse; petals purple, many-cleft, the claws ciliolate; capsule ovate, 4-5-times longer than its stipe.— Cali- 

 fornia. 



(I.) Flowers aU erect in fruit; calyx-teeth much shorter than the tube, and the capsule 3 or more 

 times longer than its stipe, (except in M. Wrightii.) 



9. M. Weighxii, Eohr. (Silene, Gray.) Calyx-teeth subulate, half as long as the tube ; capsule ob- 

 long, about equaling its stipe ; petals white, 4-cleft, the middle lobes 2-3-lobed or entire.— New Mexico ; 

 only collected by Wright. 



10. M. BOLANDBRi, Eohr. (Silene, Gray.) Stems dwarf, erect, 1-5-flowered ; calyx-teeth acute ; petals 

 pink, 4-6-parted, the broad claws villous-ciliate, long-exserted ; capsule very shortly stipitate.— Califor- 

 nia ; only collected by Bolander. 



11. M. HooKBEi, Eohr. (Silene, Nutt.) Stem low, subdecumbent, 3-7-flower6d; calyx-teeth acute; 

 petals white, divaricately 4-parted, the claws villous-ciliate (?), long-exserted. — Oregon ; a single speci- 

 men, collected by Gardiner, (Gairdner?) 



12. M. BALDWiNn, Eohr. (Sileme, Nutt.) Stems low, suberect from a creeping base; calyx-teeth 

 acute ; petals white or pinkish, ovate-cuneate, fimbriately many-cleft, claws villous-ciliate. — Georgia ; 

 Florida. 



13. M. LACiNiATUM, Eohr. (Silene, Cav.) Eoughish-pubescent ; leaves lanceolate to linear; calyx- 

 teeth lanceolate, acute, the strife anastomosing above; petals scarlet, 4-6-cleft, claws glabrous and a 

 little exserted ; capsule oblong, 3 times longer than its stipe. — Northern Mexico and Southern California. 



14. M. Gkeggii, Eohr. (Silene, Gray.) Leaves obovate or ovate-lanceolate, roughish-pubeacent ; 

 branches and calyx densely viscid-pubescent; calyx-teeth oblong, white-margined, densely ciliate, the 

 strise above only uniting ; petals scarlet, 4-parted, the claws glabrous, a little exserted. — New Mexico. 



15. M. KOTUNDIFOLIUM, Eohr. (Silene, Nutt.) Calyx pubescent with long hairs, the strias anastomos- 

 ing above, teeth oblong, obtuse. — Kentucky ; Tennessee. 



SILENE. 



Subgen. BEHENI Corolla imbricate in testivation ; calyx almost always inflated, 10-20-nerved ; the 

 nerves retioulately veined or rarely only bifurcately united toward the top ; perennial. 



* Calyx lO-nerved, somewhat reticulate-veined above; petals 2-cleft, the claws naked. 



1. S. DouGLASn, Hook. See page 36. 



2. S. OTVBA, DC. Pennsylvania to Illinois. 



Subgen. SILENE. .aestivation of the petals alternately contorted; calyx lO-nerved and veinless or 

 the nerves anastomosing, or 20-30-60-n6rved and the nerves not anastomosing, rarely inflated in flower, 

 sometimes so in fruit. 



