202 



APPENDIX I 



without sti|)ulcs, the marg'ins turned back, as in 

 Heaths; flowers regular, axillary, small; sepals 

 4-6; calyx persistent; petals 4-6, clawed, with 

 limb appendages; stamens 4-6, distinct, 2-celled, 

 opening by apical pores or longitudinally; style 

 simple or 3-fid; ovary syncarpous, 2-5-carpellary, 

 i-locular; placentation parietal; fruit a capsule; 

 seeds numerous, very small. 



Order 12. Caryophyllaceae. — Herbaceous plants 

 with swollen nodes, leaves opposite, entire; rarely 

 with stipules; flowers regular, in dichasial cymes; 

 sepals 5 or 4, distinct, or tubular below; petals 

 5 or 4 clawed, or absent; stamens 10 or 8, or 

 5 or 4, free or united below ; anthers opening 

 longitudinally; stigmas 2-5, sessile, slender; styles 

 2-5; ovary syncarpous, i-locular; often stalked; 

 ovules on central placenta ; fruit a capsule, open- 

 ing by teeth, or valvular, i- or 2-5-celled, seeds 

 albuminous. 



Order 13. Portulaceae. — Herbaceous plants; 

 leaves succulent, smooth; stipules membranous; 

 flowers regular; sepals 2, or 3-5, united below, 

 overlapping in bud; petals 5, united, or not, below; 

 stamens indefinite, or 3-5; inserted on, or oppo- 

 site the petals; filaments not united; styles 3; 

 stigmas several; ovary syncarpous, 1 -celled; 

 ovules 3, placenta central, basal; fruit a capsule, 

 3-valved. 



Order 14. Tamaricaceas. — Evergreen shrub; 

 branches slender, feathery; leaves very small; 

 flowers regular, in racemes ; sepals 4-5, persis- 

 tent, overlapping in bud; petals 4-5, soon wither- 

 ing; stamens 4-5, or 8-10, on margin of disk (pel- 

 tate); styles 3-4; ovary syncarpous, 3-carpellary ; 

 ovules several; fruit a capsule, rarelj' developed, 

 i-locular, 3-valved; seeds many, crowned with 

 tuft of hairs. 



Order 15. Elatinaceae. — Plants aquatic; leaves 

 opposite, stipules very small; flowers regular, very 

 small; sepals 3-4, distinct, or united below; petals 

 3-4; stamens 6-8, free; styles 3-4; stigmas capi- 

 tate ; ovary syncarpous, 3-4-celled; ovules on 

 axile placentae; fruit a capsule, 3-4-celled, 3-4- 

 valved; seeds man}*. 



Order 16. Hypericaceffi. — Herbaceous plants or 

 shrubs; leaves opposite, entire, without stipules, 

 with oil glands; flowers regular, yellow; sepals 5, 

 distinct, persistent, overlapping, with glandular 

 dots; petals 5, twisted in bud; stamens indefinite, 

 in bundles; anthers versatile; styles several, usu- 

 ally distinct; ovary syncarpous, 3-5-locular, ovules 

 on axile placentae; fruit a capsule or berry, dry or 

 fleshy, many-celled, many-valved; seeds small, 

 many. 



Order 17. Malvaceae. — Herbaceous plants; 

 leaves alternate; stipules falling; flowers regular, 

 axillary; sepals 5, valvate, persistent; epicalyx of 

 3-9 segments; petals 5, twisted in bud; stamens 

 many, connected into a tube below; anthers i- 

 celled, opening transverselj-, kidney-shaped; styles 

 free above; ovary syncarpous, many-celled; ovules 

 I in each cell; fruit a schizocarp, with numerous 

 I -seeded cocci. 



Order 18. Tiliaceae. — Trees, deciduous; leaves 

 alternate; stipules falling; flowers regular, in 



cymes; flower-stalk adnate to bract; sepals 5, 

 valvate in bud; petals 5; stamens indefinite, dis- 

 tinct or united; anthers 2-celled; style simple; 

 ovary syncarpous, 5-locular; ovules 2 in each cell; 

 fruit a nut, 1-2-secded. 



Order 19. Linaceae. — Herbaceous plants; leaves 

 alternate, small; no stipules; flowers regular; 

 sepals 4-5, persistent, overlapping; petals 45, 

 twisted in bud, falling, with a claw; stamens 

 8 or 10, on .a ring; anthers versatile; styles 4-5; 

 stigmas capitate; ovary syncarpous, 4-5-celled ; 

 ovules 2 in a cell, on axile placenta:; fruit a cap- 

 sule, tipped with hard base of styles; seeds i in 

 each spurious cell. 



Order 20. Geraniaceae. — Herbaceous plants; 

 leaves simple, with or without stipules; flowers 

 usually regular; sepals 5, persistent, overlapping; 

 petals 5, with a claw, twisted in bud; stamens 

 5-10; style i; ovary syncarpous, 5-locular; fruit, 

 a schizocarp, of 5 cocci, beaked, on stylophore; 

 seeds solitary. 



Division B. — Calyciflorce 



Petals distinct ; stamens perigynous or epigy- 

 nous. 



Order 21. Aqtiifoliaceae. — Shrub, evergreen; 

 leaves spinose, leathery; stipules small, falling; 

 flower regular, unisexual, in cyme, axillary; sepals 

 4-5, inferior, overlapping; petals 4-8, united below; 

 stamens 4-5, adnate to petals; disk absent; ovary 

 syncarpous, free, 4-locular; ovules solitary; fruit 

 a drupe with four stones, fleshy; seeds stony 2-6. 



Order 22. Celastraceae. — Shrub; stipules very 

 small, falling; flowers regular, in cyme, axillary ; 

 sepals 4-5, overlapping; petals 4-5 on margin 

 of fleshy disk; stamens alternating with the petals; 

 ovary synciirpous, 3-5-localar; cells 1-2-seedcd; 

 ovules erect; fruit a fleshy capsule; seeds en- 

 closed in aril. 



Order 23. Rhamnaceae. — Shrubs, deciduous; 

 leaves alternate; stipules minute; flowers regular, 

 small; sepals 4-5; valvate in bud; petals 4-5, dis- 

 tinct, on throat of calyx; stamens 4-5, epipctalous; 

 ovary syncarpous, 3-locular, generally superior; 

 fruit a drupe; seeds erect, 2-4. 



Order 24. Aceraceae. — Trees, deciduous; leaves 

 opposite; no stipules; flowers regular, in raceme 

 or corymb; sepals 4-9, overlapping; petals 4-9, 

 on hvpogvnous disk; stamens 8, on disk; style 1; 

 stigmas 2; ovary syncarpous, 2-lobed; 2-locular; 

 ovules 2 in each cell; fruit a schizocarp; mericarps 

 (samaras) 2, winged, i -celled, 1-2-seedcd. 



Order 25. Leguminosae. — Herbaceous plants, 

 or shrubs, some evergreen; leaves alternate, com- 

 pound ; stipules to leaves and leaflets ; flowers 

 irregular, papilionaceous; calyx inferior; sepals 5, 

 combined, i anterior; petals 5, odd one posterior; 

 stamens in i bundle of 10 or 2 bundles of 9 and i; 

 ovary i-celled, free; fruit a legume; placenta on 

 upper suture. 



Order26. Rosaceae. — Herbaceous plants, shrubs, 

 trees (deciduous); leaves alternate, simple or com- 

 pound; with stipules; flowers regular, perigynous 

 as a rule; sepals 4-5 or 8-10 in 2 rows, free or 

 .idhering to and enclosing the ovary, odd one 



