998 



DIANTHUS 



DIANTHUS 



INDEX. 



A. Fls. mostly in cymes or in heads, often densely aggre- 

 gated, the cluster often subtended by involucre- 

 like Ivs. 

 B. Petals not bearing hairs or barbs: bracts dry. 



1. cinnabartnus, Sprun. A foot high, woody at base, 

 many-stemmed, the sts. simple and 4-angled, bloom- 

 ing in Aug. and Sept.: Ivs. linear, sharp-pointed and 

 rigid, 7-nerved: fls. few in heads; petals fiery red above, 



giler beneath, glandular; stamens included. Greece. 

 andsome little species; useful for hardy border or 

 rockery. 



2. Pancicii, Velen. (D. stenopetalus var. Pdncicii, 

 Williams). Cespitose, glabrous, 2-3 ft., the sts. slen- 

 der and 4-angled: Ive. 



linear-acuminate, soft, 

 3-nerved, in a dense 

 grass-like basal tuft: 

 fls. 5-15 in a paniculate 

 cyme or head; calyx 

 green; petals rose or 

 crimson. Balkan re- 

 gion. Var. grandifldrus, 

 Hort., has very stout 

 sts., large clusters, and 

 large purple - carmine 

 fls. 



BB. Petals with hairs or 

 barbs on the lower 

 part of the blade. 

 c. Plant glabrous but 

 usually not glaucous. 



3. barbatus, Linn. 

 SWEET WILLIAM. Fig. 

 1251. Readily grown 

 from seed and flower- 

 ing well the second 

 year: glabrous, the sts. 

 4-angled, 10-20 in. high, 

 simple or branched 

 only above: Ivs. broad 

 and flat or condupli- 

 cate, 5 - nerved : fls. 

 several to many in a 

 round - topped dense 

 cyme, the petals 

 toothed and bearded, 

 red, rose, purple or 

 white and also vari- 

 colored in garden 

 forms, the bracts sub- 

 tending the calyx 4 and 

 long - pointed . Russia 

 to China and south to 

 the Pyrenees. G. 1 : 372. 

 Gn. M. 2:217; 14:55. 

 F. E. 23:219. The 

 sweet william is one of 



1251. Sweet William Dianthus barbatus. 

 (XH) 



the oldest garden fls. It is sure to be found in the old- 

 fashioned gardens. The cult, forms run into many 

 colors. Sometimes found along roadsides as an escape. 

 There are double-fld. forms. R.H. 1894, p. 277. Some 

 of the modern improved large-fld. forms are very 

 showy, and produce their bloom over a long season. 

 D. Laucheanus, Bolle, is a hybrid of D. barbatus and 

 D. deltoides. Gt. 53 : 1528. 



4. carthusianorum, Linn. (D. atrorubens, Willd.). 

 Hardy, glabrous, scarcely glaucous, 12-20 in. high, the 

 st. angled: Ivs. linear and pointed, without prominent 

 nerves when fresh: fls. in a dense, 6-20-fld. head (some- 

 times the clusters very few-fld.), in shades of red, odor- 

 less, the petals sharply but not deeply toothed, the 

 cluster subtended by very narrow or even awl-like Ivs.; 

 calyx-bracts 4, coriaceous, yellowish or straw-colored. 

 Denmark t9 Portugal and Egypt. B.M. 1775, 2039. 

 Widely variable. Little planted in American gardens. 



cc. Plant glabrous and glaucous. 



5. cruentus, Griseb. (D. atrococcineus, Hort.). Ces- 



Ritose, glaucous, glabrous: st. 1-2 ft., terete, forking: 

 rs. linear or lance-linear, sharp acuminate, spreading, 

 7-nerved, the cauline linear-appressed and 5-nerved: 

 fls. deep blood-red, small, about 20 in a subglobose 

 dense head, odorless; petals red-hairy towards the base. 

 July. Greece and N. 



6. giganteus, Urv. Cespitose, glabrous, glaucous, 

 2-3 ft. or more, simple: Ivs. long-linear, 7-nerved, plane, 

 spreading and acuminate : fls. 10-12 in a head, red, 

 the petal-blade obovate-cuneate. Balkan region. 

 Gn. 66, p. 122. 



ccc. Plant woolly, glaucous. 



7. capitatus, Balb. Plant glaucous, woolly, 12-16 

 in., simple, st. 4-angled : Ivs. linear, acute, plane, sprcad- 



7-nerved, those on the st. 5-nerved: fls. 6-8 in a 

 head, the petals purple-spotted. Siberia to Servia. 



cccc. Plant viscid-pubescent. 



8. viscidus, Bory & Chaub. Cespitose, pubescent 

 and sticky, about 12 in., simple: Ivs. linear, acuminate, 

 soft, plane, 1-3-nerved: fls. 3-6 in a fascicle, the petals 



purple-spotted, the blade obovate-cuneate 

 and few-toothed. Bulgaria, Greece, Turkey. 

 Runs into several marked forms. 



AA. Fls. solitary, or loosely in 2's or S's. 



B. Calyx-bracts short and broad, mostly 



oppressed. 



C. Petals fimbriate. 



D. Teeth of calyx mucronate. 



9. plumarius, Linn. (D. scdticus, Hort.). 

 COMMON GRASS or GARDEN PINK. SCOTCH 

 PINK. PHEASANT'S-EYE PINK. Low, tufty, 

 1 ft.: sts. simple or forked: plant blooming in 

 spring and early summer, very fragrant : Ivs. 

 elongate-linear, keeled, spreading or recurved, 

 thickish, 1-nerved, blue-glaucous : fls. medium 

 size, rose-colored (varying in cult, to purple, 

 white and variegated), the blade of the petal 

 fringed a fourth- or fifth of its depth; calyx 

 cylindrical, with short broad -topped mucro- 

 nate bracts. Austria to Siberia. Gn. 66, p. 

 260. F.E. 23:401. A universal favorite. 

 Hardy. Much used in old-fashioned gardens 

 as edging for beds. There are double-fld. 

 forms. A more continuous-blooming form ia 

 catalogued as var. semper flbr ens. 



10. arenarius, Linn. Cespitose, glabrous, 

 1 ft. or less, the sts. simple or forked, slen- 

 der, 1-3-fld.: Ivs. elongate-linear, keeled, 

 obtuse, fascicled, spreading : fls. white, fra- 

 grant; petals much cut beyond the middle; 

 calyx purplish, the teeth ovate-lanceolate. 



