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Flora of Dominica, Part 2 - Smithsonian Institution Libraries

Flora of Dominica, Part 2 - Smithsonian Institution Libraries

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14 SMITHSO" CONTRIBUTIONS TO BOTANY<br />

20. Leaves simple.<br />

21. Flowers irregular; stipules conspicuous, fimbriate ......<br />

......................... VIOLACEAE<br />

21. Flowers regular, stipules inconspicuous, if any.<br />

22. Sepals 2, caducous; leaves spiny .............<br />

.............. PAPAVERACEAE<br />

(Argemone)<br />

22. Sepals 4-5, persistent; leaves unarmed.<br />

23. Fruits leathery or, if capsular, elongate. ........<br />

..................... CAPPARACEAE<br />

23. Fruits capsular, ovoid ........ PORTULACACEAE<br />

20. Leaves compound.<br />

24. Carpels 2-more; ovules parietal; petals 4 ..........<br />

.................. CAPPARACEAE (Cleome)<br />

24. Carpel 1; ovules on a suture; petals usually 5 ........<br />

......................... FABACEAE<br />

16. Ovary 2-more-locular.<br />

25. Flower irregular.<br />

26. One sepal spurred; stamens distinct. ...... BALSAMINACEAE<br />

26. Sepals not spurred; stamens with filaments united .........<br />

.......................... POLYGALACEAE<br />

25. Flower regular.<br />

27. Stamens with filaments united.<br />

28. Leaves compound.<br />

29. Trees or shrubs: leaves more than 3-foliolate . . MELIACEAE<br />

29. Herbs; leaves 3-foliolate ............ OXALIDACEAE<br />

28. Leaves simple.<br />

30. Petals short-clawed; ovary 3-locular . . ERYTHROXYLACEAE<br />

30. Petals tapering; ovary 5-locular ....... STERCULIACEAE<br />

27. Stamens free.<br />

3 1. Leaves simple.<br />

32. Anthers opening by terminal pores . ...... OCHNACEAE<br />

32. Anthers opening by longitudinal slits.<br />

33. Fruit leathery.<br />

34. Stamens equaling petal numbers. ... AQUIFOLIACEAE<br />

34. Stamens twice the petal number. .............<br />

................. OLACACEAE (Heisteria)<br />

33. Fruit a dry capsule.<br />

35. Leaves petioled, flowers not racemose ..........<br />

..................... CELASTRACEAE<br />

35. Leaves sessile; flowers in a raceme ... CYRILLACEAE<br />

3 1. Leaves compound.<br />

36. Petals 4, clawed; stamens 6. ......... BRASICACEAE<br />

36. Petals tapered; stamens not 6.<br />

37. Style or stigmas branched.<br />

38. Drupe 2.5-5.0 cm long. . ANACARDIACEAE (Spondias)<br />

38. Drupes smaller or fruits not drupaceous ..........<br />

...................... SAPINDACEAE<br />

37. Style or stigmas unbranched.<br />

39. Ovules 8-10 per locule; seed samaroid ..........<br />

................. MELIACEAE (Cedrella)<br />

39. Ovules 1-2 per locule; fruit drupaceous.<br />

40. Plants aromatic; ovules usually 2 per locule . .....<br />

.................... BURSERACEAE<br />

40. Plants not aromatic; ovules usually 1 per locule<br />

................... SIMAROUBACEAE

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