PINK FAMILY 231 
6. DIANTHUS, L. 
Perennial or annual herbs with narrow grass-like leaves and generally 
swollen joints. Calyx cylindric, at its base two leafy bracts sometimes 
nearly enclosing the calyx. Stamens 10; styles 2. Capsule cylindric 
opening at the summit dividing it into 4 or 5 teeth. 
1. D. Armeria, L. Deprrorp Pink. Annual. Flower cluster inter- 
spersed with long bract-like leaves which are as long as the calyx tube. 
Leaves hairy. Flowers small, dark rose colored. Introduced from Europe. 
July. 
2. D. prolifer, L. Protirerous Pink. Annual. Slender stem and 
leaves. Flowers small. Calyx surrounded by bracts which are rather 
broad and less acutely pointed than those of No. 1. Not common. 
3. D. deltoides, L. Martpen Pink. Lower leaves short and blunt 
at summit, upper ones narrow and acute, rough at the edges. Striae on 
the calyx extending its whole length. Flowers almost solitary, pink 
or whitish. In waste places. Blocms during the summer. 
Dianthus barbatus, L. (Sweet William) with flowers in a somewhat 
crowded head is found occasionally growing wild, escaped from gardens. 
Tribe ALSINOIDEAE 
Divisions of the calyx not united at the base. Fruit capsules with as 
many or with twice as many teeth as there are styles. 
Flowers with petals 
Leaves without stipules or stipular appendages. 
Petals bifid. 
Plant smooth, without hairs, capsule ovoid or oblong  Stellaria 
Plant more or less hairy, capsule cylindric . . Cerastium 
Petals not bifid. 
Petals and sepals 4, rarely 5. Styles as many as the sepals 
and alternate with them seks oa stent {Cee ha chy No asin nel Gotan 
Petals 5, styles fewer than the sepals, 
Plants not fleshy. 
Stamens UO ls ke Mone eee ie eC ates. fh eens Arenaria 
Stamens 8 Se He ye cea Noe RM Menem! Kole hgtg teat 
Plants fleshy eR RCHMMicTey hte Uuten} sean sy MATIN Odenia 
Leaves with stipules or membraneous appendages. 
REM R Ete NU OTIS es fom) a BAe Ute Wid be 8 Cece 88 ad ol pl Spergula 
Leaves in pairs Spergularia 
