

LINN^EAN CLASS V. 175. 



Beta. Sepals 5. Seed inclosed in the hardened calyx. (Beet.) 

 Chen opodicccece, 100. 



Planera. Polygamous. Calyx 4 — 5-cleft, campanulate. Capsule 

 globose, membranaceous, 1-celled, 1-seeded. Ulmacece, 110. 



Flowers in umbels, petals 5, superior, carpels 2, order Umbelliferra, 

 No. 61. 



Order III.— TRIGYNIA. 



Flowers superior. 

 Viburnum. Calyx 5-parted, small. Corolla funnel-form, 5-cleft. 

 Stigma almost sessile. Drupe 1-seeded. Caprifoliacece, 65. 



Sambucus. Calyx 5-parted, small. Corolla sub-urceolate or rotate, 

 5-cleft. Stigmas minute, sessile. Berry globose, 1-celled, 3-seeded. 

 (Elder.) Caprifoliacece, 65. 



Flowers inferior. 



Rhus. Calyx 5-parted. Petals 5. Fruit 1-seeded, small, nearly 

 globular. (Sumac.) (Poison- vine.) Anacardiacece, 29. 



Staphylea. Calyx 5-parted, colored. Petals 5. Capsules inflated, 

 2 — 3-celled. Seeds globular, compressed, generally 2 in each cell. 

 (Bladder-nut.) Celastracece, 41. 



Turncra. Calyx 5-cleft, funnel-form. Petals 5. Ovary 1-celled, 

 ■with 3 paiietal placentae. Seeds numerous. Turneracece, 52. 



Lepuropetalon. Calyx 5-parted, with ovate obtuse lobes. Petals 5, 

 minute, spatulate. Capsule 1-celled, many-seeded. Saxifragacece, 59. 



Order IV.— TETRAGYNIA. 



Parnassia. Sepals 5, more or less united. Corolla 5-petaled. 

 Stamens perigynous. 5 phalanges of sterile stamens opposite the 

 petals. Capsule 4-valved, 1 — 2-celled. Droseracece, 17. 



Order V.— PENTAGYNIA. 



Aralia. Flowers in umbels, or panicles. Calyx 5-toothed, superior. 

 Petals 5, spreading. Fruit 5-lobed, 5-celled, 1 seed in each cell. Ara« 

 liacece, 62. 



Statice. Calyx tubular, plaited, entire. Petals 5, regular. Fruit 1- 

 seeded, indehiscent. Plumbaginacece, 96. 



Linum. Sepals 5, persistent, Petals 5, hypogynous, unguiculate. 

 Capsule globose, sometimes 10 celled. (Flax.) Linacece, 23. 



Suriana. Sepals 5, persistent ; aestivation twisted. Petals 5. Car- 

 pels 5, coriaceous, 1-seeded. (Sea-side shrubs.) Surianacece, 57. 



Order VI.— HEXAGYNIA. 



Drosera. Sepals 5. Petals 5, hypogynous. Capsule 1 — 3-cel.^^, 

 many-seeded. (Sun-dew.) Droseracece, 17. 



Order XII— POLYGYNIA. 



Myosurus. Sepals 5, produced downward, at the base. Petals 6, 

 claw filiform and tubular. Stamens 5 — 20. (Mouse-tail.) lianuncu- 

 lacece, 1. 



Zanthorhiza. Sepals 5. Petals 5, on pedicels. Capsule 1 -seeded. 

 Panunculacece, 1. 



