170 LINX^AN CLASS V. 



Centunculus. Calyx 4-cleft, with lanceolate segments. Corolla 4- 

 lobed, persistent, with acute segments. Capsule 1-celled, many-seeded 

 Prhnulacece, 95. 



Callicarpa. Calyx small, persistent, 4-cleft. Corolla tubular, 4- 

 cleft. Fruit baccate, 4-celled, juicy. Purple or white. (French Mul- 

 berry.) Verbenacece, 92. 



Hypohrichia. Calyx 4-lobed, campanulate. Petals none. Stamens 

 2 — 4. Ovary globose, 2-celled, many-seeded. (Aquatic plants.) Ly- 

 thracece, 47. 



Ammania. Calyx 4-lobed, with 4 intermediate appendages. Co- 

 rolla wanting, or 4-petaled. Capsule 4-celled, many-seeded. (Tooth- 

 cup.) Lythracece, 47. 



Ptclea. Calyx 4-sepaled, united at the base. Petals 4, spreading. 

 Filaments hairy at the base. Fruit a samara, 2-celled. Zanthoxy- 

 lacece, 28. 



Croomia. Sepals 4, broadly oval. Petals none. Stamens 4, oppo- 

 site the sepals. Fruit ovate, compressed. Seeds 1 — 2. Peduncles 

 axillary, 2 — 3 flowered. Berheridacece, 6. 



Krameria. Sepals 5, more or loss irregular, spreading, colored. 

 Petals 4 — 5, smaller than the sepals, unequal. Stamens more or less 

 unequal. Fruit globose, 1 — 2 seeded. Polygalaceas, 15. 



Order II.— DIGYNIA. 

 Hamamelis. Involucre 3-leaved. Petals 4, long. (Witch-hazel) Ha- 

 mamelacece, 60. 



Order IV.— TETRAGYNIA. 

 Hex. Calyx minute. Corolla rotate. Stigmas 4. Capsule 4-celled, 

 each cell 1-seeded. (Holly.) Aquifoliacece, 75. 



Sagina. Calyx 4-sepaled. Capsule 4-celled, many-seeded. Cary- 

 ophyllacecB, 21. 



Potamogeton. Calyx 4-sepaled. Petals 0, seed3_4. Flowers in a 

 spadix. (Pond- weed.) Naiadacece, 139. 



Puppia. Perianth wanting. Flowers on a spadix. Fruit pediceled. 

 Naiadacece, 139. 



CLASS v.— PENTANDRIA. 



Order I.— MOXOGYNIA. 

 A. Flowers rnonopetalous, inferior. Fruit achenia. 

 Plants of this division form the Natural Order Boraginece. 



B. Flowers rnonopetalous, inferior. Fruit a capside or berry. 

 1. Capsule l-celled. 

 Anagallis. Calyx 5-parted. Corolla rotate, 5-parted, dehiscent trans- 

 versely. Primidacece, 95. 



Lysimachia. Calyx 5 — 6-parted. Corolla 5 — 6-parted. Capsule 

 globose, 5 — 10-valved. Primulacece, 95. 



Dodccatheon. Calyx 5-parted, reflexed. Corolla rotate, lobes re 

 flexed. Capsule ovate, 5-valved, many-seeded. Primulacece, 95. 



Hottonia. Calyx 5-parted. Corolla salver-form, 5-lobed. Stamen^ 

 on the tube of the corolla. Capsule globose. Primulacece, 95. 



