86 NORTH AMERICAN FLORA [VoLuME 29 
maturity. Corolla cylindric-urceolate, ovoid-urceolate, or globular-urceolate; lobes 5, or 
rarely 4, broad and short, mostly recurved. Stamens 10, or rarely 8, included; filaments 
short, dilated near the base, unappendaged, pubescent; anthers broad, each sac with a slender 
awn. Ovary 5-celled, or rarely 4-celled, seated in a disk, depressed or ovoid, glabrous or 
pubescent; style columnar, often somewhat elongate; stigma minute, sometimes slightly 
dilated. Drupe globular, fleshy, the pericarp papillose or warty, the 5, or fewer by abortion, 
nutilets united into a round stone. 
Type species, Comarostaphylis arguta Zuce. 
Leaf-blades entire. 
Filaments pubescent, sometimes sparingly so. 
Ovary pubescent. 
Filaments copiously pubescent; leaf-blades not densely lanate 
beneath. 
Pedicels and rachis densely glandular-hirsutulous. 1. C. Hariwegiana. 
Pedicels and rachis finely, and often closely, pubescent, not 
glandular-hirsutulous. 
Corolla glabrous. 
Leaf-blades of a long and narrow type. 
Inflorescence-branches and leaf-blades beneath vari- 
ously pubescent, but not cinereous-canescent. 
Drupes 5—6 mm. in diameter. 
Leaf-blades revolute, acute or short-mucro- 
nate. 
Inflorescence-branches and _ leaf-blades 
beneath sordid-pubescent or ferrugine- 
ous. - 2. C. oaxacana. 
Inflorescence-branches and _leaf-blades 
beneath obscurely pale-pubescent. 3. C. polifolia. 
Leaf-blades flat, prominently mucronate. 4, C. mucronifera. 
Drupes about 3 mm. in diameter. 5. C. microcarpa. 
Inflorescence-branches and leaf-blades beneath cin- 
ereous-canescent. 6. C. mucronata. 
Leaf-blades of a short and broad type. 7. C. Caeciliana, 
Corolla copiously pubescent. 8. C. arbutoides. 
Filaments sparingly pubescent; leaf-blades densely lanate be- 
neath. 9. C, lanata. 
Ovary glabrous. 
Corolla 4-5 mm. long; pedicels, rachis, and calyx finely pubescent. 
Filaments sparingly villous; leaf-blades linear to linear-spatu- 
late. 10. C. minor. 
Filaments copiously villous; leaf-blades elliptic. 18. C. glabrata. 
Corolla 6-7 mm. long; pedicels, rachis, and calyx glabrous. ll. C. costaricensis. 
Filaments glabrous. 12. C. glaucescens. 
Leaf-blades toothed. 
Leaves glabrous. 
Leaf-blades green beneath; calyx 3.5-4 mm. wide; drupes 4-5 mm. in 
diameter. 13. C. lucida. 
Leaf-blades glaucous beneath; calyx 6-7 mm. wide; drupes 7-8.5 mm. 
in diameter. 14. C. arguta. 
Leaves pubescent. 
Ovary glabrous. 
Leaf-blades of a long and narrow type. 
Leaf-blades closely and conspicuously toothed; corolla pubes- 
cent. 
Pedicels and rachis tomentulose; anthers globular. 15. C. rupestris. 
Pedicels and rachis finely glandular-hirsute; anthers : 
oblong. : 16. C. longifolia. 
Leaf-blades remotely and inconspicuously toothed; corolla 
glabrous. 17. C. angustifolia. 
Leaf-blades of a short and broad type. 
Pedicels and rachis densely viscid-pubescent; leaf-blades 
singly serrate. 
Calyx-lobes longer than wide; stamens 3.5-4 mm. long; 
dilated part of the filament not longer than wide. 18. C. glabrata. 
Calyx-lobes about as long as wide; stamens about 2.5 mm. 
long; dilated part of the filament much longer than wide. 19. C. Conzattit. 
Pedicels and rachis sparingly pubescent, not viscid; leaf- 
blades doubly serrulate. 20. C. pyrifolia. 
Ovary pubescent. 
Catyx glandular-pubescent; pedicels and rachis glandular- 
hirsutulous. oe 21. C. nochistlanensis. 
Calyx cinereous-tomentulose; pedicels and rachis cinereous- 
tomentulose. : 22. C. diversifolia. 
