B78 PROCEEDINGS OF THE ACADEMY OF [Sept., 



globose; nutlets 1-3, generally obtuse and rounded at the 

 ends, prominently ridged on the back, . 1. Crus-galli. 

 Leaves membranaceous to subcoriaceous, mostly acute or 

 occasionally rounded at the apex, their veins prominent; 

 corymbs villose; fruit usually short-oblong, often con- 

 spicuously punctate; flesh dry and mealy; nutlets 2-5, 

 prominently ridged on the back, ... 2. Punctat.e. 

 **Petioles elongated, usually slender (short and stout in Uniflorse), 

 glandular only toward the apex (in Intricatse sparingly 

 glandular throughout). 

 Leaves mostly broad at the base. 

 Corymbs many-flowered (few-flowered in some species of 

 Pruinosse). 

 Fruit subglobose to short-oblong, rarely pyriform, red or 

 green, often slightly 5-angled, generally pruinose, 

 especially during the summer ; leaves blue-green, thin 

 and firm to subcoriaceous, or rarely coriaceous, 



3. Pruinos.e. 



Fruit short-oblong to obovate, ovate or subglobose, red 



or scarlet, mostly lustrous, usually 1-L5 cm. long; 



stamens 10 or less; anthers rose color, purple or red ; 



leaves mostly membranaceous, hirsute on the upper 



surface while young, 4. Tenuifoli.e. 



Fruit subglobose, obovate or short-oblong, scarlet, 1.5-2 

 cm. long; flesh thick; nutlets thick, pointed at the 

 ends, usually slightly ridged; corymbs tomentose; 

 leaves membranaceous, broad, cuneate to rounded 

 or cordate at the base, more or less pubescent below ; 

 stamens 10 or less ; anthers white or pink, 5. Molles. 

 Fruit short-oblong to subglobose, 1.5-2 cm. long, scarlet, 

 lustrous; flesh succulent; nutlets 3-5, grooved and 

 occasionally ridged on back ; corymbs slightly villose ; 

 leaves large, membranaceous, oblong, more or less 

 acutely lobed ; stamens 10 or less ; anthers rose color, 



6. Flabellat.e. 

 Leaves cuneate at the base (rarely broad in Intricatse) , sub- 

 coriaceous or membranaceous. 

 Corymbs many- or few-flowered, glabrous or villose; fruit 

 subglobose, 9-12 mm. in diameter; leaves dark green 

 and lustrous on their upper surface, . . 7. Coccine.e. 

 Corymbs usually few-flowered; fruit subglobose to short- 

 oblong or obovate, 1-1.5 cm. long, greenish-yellow, 

 orange color or red; nutlets 3-5, rounded at the ends, 

 generally conspicuously ridged on the back, 



8. Intricat.e. 

 Flow^ers solitary, or in 2 or 3-flowered simple corymbs; 

 calyx lobes large and foliaceous; stamens 20; an- 

 thers pale yellow; leaves obovate, nearly sessile; 

 small shrubs, 9. Uniflok.e. 



