534 



MALACEAE 



A single species in our range. 



III. BREVISPINAE. 



IV. AESTIVALES. 



Shoots, petioles and lower surfaces of the leaves rufous tomentose. 

 Shoots, petioles and leaves glabrous or nearly so. 



Leaf-blades with abruptly contracted bases. 



Leaf-blades with cuneate or narrowed bases. 



V. VIRIDES. 



Ripe fruit red, or at least with ruddy cheeks. 



Leaf-blades ovate-lanceolate, elliptic or obovate, either narrowed or con- 

 tracted at the base. 

 Leaf-blades coarsely and irregularly serrate, often with blunt or acute 

 shallow lobes. 

 Leaf-blades ample, 2-A cm. wide. 



Leaf-blades (exclusive of those on the shoots) 1-2 cm. wide : twigs very 

 spiny. 

 Leaf-blades all sharply serrate and incisely lobed. 



Inflorescence pilose-pubescent : terminal leaves of the shoots with 



broadly ovate blades, broad, rounded or truncate at the base. 

 Inflorescence glabrous : terminal leaves of the shoots with broadly ovate 

 blades, mostly broad, rounded at the base. 

 Leaf-blades all broadly ovate or oval, rounded and very abruptly contracted 

 at the base : fruit yellowisli green flushed with red, 7-9 mm. in diameter. 

 Ripe fruit bright canary yellow. 



VI. SILVICOLAE. 



Inflorescence and young shoots glabrous. 

 Inflorescence and young shoots sparsely pubescent. 



VII. PUKCTATAE. 



Fruit large, at maturity more than 1 cm. thick. 

 Anthers pink : fruit' 18-2.5 mm. wide. 

 Anthers yellow or almost white : fruit 11-15 mm. wide 

 Petioles and leaf-bases less glandular or nearly so. 

 Petioles and leaf-bases conspicuously glandular. 

 Fruit not exceeding 1 cm. in diameter. 

 Inflorescence pubescent. 



Anthers white or light yellow: leaf-blades sharply serrate and very incisely 



lobed. 

 Anthers pink or purple: leaf-blades serrate and shallowly incised. 

 Inflorescence glabrous or with a few weak hairs. 

 Leaf-borders sharply serrate and shallowly incised. 

 Leaf-borders coarsely serrate and deeply incised. 



7. C. brachyacantfia. 



8. C. aestivalis. 



9. C. maleoides. 

 10. C. luculenta. 



11. C viridis. 



12. C. paludosa. 



13. C. subviridis. 



14. C. interior. 



15. C. vulsa. 



16. C. Brazoria. 



17. C. sih'icola. 



18. C. aemula. 



19. C. prmctata. 



20. C. collina. 



21. C. rigcnt. 



22. C. amnicola. 



23. C. ingens. 



24. C. penita. 



25. C. Margaretta. 



VIII. BOYNTONIANAE. 

 Fruit globose or nearly so. 



Anthers yellow : sepals without stalked glands. 

 Anthers purplish : sepals with stalked glands. 



Large shrub or small tree : nutlets 7.5-9 mm. long. 

 Low shrub : nutlets smaller. 

 Fruit pyriform. 



Fruit yellow or greenish yellow. 

 Fruit red. 



IX. SARGENTIANAE. 



Mature fruit yellow, orange-yellow or green sometimes cheeked with red. 

 Ripe fruit often 1 cm. in diameter or more. 



Leaf-blades acuminate : sepals long and broad. 

 Leaf-blades acute: sepals short and narrow. 

 Fruit subglobose or oval. 

 Fruit globose, 

 pe fruit smaller. 



Anthers pale purple : leaf-blades elongated. 

 Anthers dark purple : leaf-blades not conspicuously elongated. 

 Mature fruit red or ruddy. 

 Ripe fruit oval or pyriform. 

 Fruit 1 cm. thick or more. 

 Fruit smaller. 

 Ripe frviit globose or nearly so. 



Leaf-blades incised or incisely lobed. 



Corolla 20-25 mm. wide : anthers yellow : leaf-blades acuminate. 

 Corolla smaller : anthers purplish. 

 Fruit 10-13 mm. in diameter. 



Fruit depressed ; leaf-blades shallowly incised. 

 Fruit not depressed. 



Leaf-blades deeyjly incised. 

 Leaf-blades shallowly incised. 

 Fruit smaller. 



Anthers pale purple : fruiting pedicels 1-2 cm. long. 

 Anthers dark purple : fruiting pedicels very short. 

 Leaf-blades slightly if at all incised. 



26. C. Boyntonii. 



27. C. Bnckleyi. 



28. C. communis. 



29. C. straminea. 



30. C. rubella. 



31. C. Sargeniii, 



32. C. pallens. 



33. C. austrina. 



34. C. gilva. 



35. C. contrita. 



36. C. venusta. 



37. C. inanis. 



38. C. eodmia. 



39. C. tecta. 



40. C. ancisa. 



41. C. alma. 



42. C. pinetorum. 



43. C. macilenla. 



44. C. mendosa. 



