76 VASCULAR PLANTS. 



i. Cerastium, L. 



SejDals 5. Petals 5, emarginate. Stamens 10. 

 Stigmas 5. Capsule cylindrical, dehiscent by 

 10 teeth. 



0. 71. flowers white. 



2. Stellaria, L. 



Petals 2-lobed. Stamens 10. Stigmas 3 — 2. 

 Capsule globose, dehiscent by 6 — 4 valves. 

 . 21. flowers white. 



3. Alsine, Wahl. 



Sepals unchanged in fruit. Petals entire. 

 Stamens 10 — 5. Stigmas 3. Capsule ovoid? 

 dehiscent by three valves. 



. 21. flowers white . 



4. Sagina, L. 



Sepals 5 — 4. Petals 5 — 4. Stamens 5 — 10. 

 Stigmas 5 — 4, alternate with the sepals. Cap- 

 sule dehiscent in 5 — 5. valves opposite to the 

 sepals. . 



Family XXXVIII. Paronychieae. 



Like Alsineaa, but the parts frequently defec- 

 tive or reduced in numbers, and with scariou 8 

 stipules. 



1. Spergula, L» 



Stamens 5 or 10. Ovary oo-ovulate; styles 5, 

 alternate with the sepals. Capsule 5-valved; 

 valves opposite to the serjals. 0. 



