RYDBERG: SOLANUM IN MEXICO AND CENTRAL AMERICA 147 
1, TUBEROSA 
Leaf-segments of an ovate type, acute or obtuse or 
abruptly short-acuminate. 
Leaf-segments “latnetly stalked, cordate or 
rounded at the bas 
Corolla more pen 15 mm. high; leaflets rather 
thick, densely pubescent on both sides; calyx- 
lobes long-acuminate / 63 2 oP 1. S, tuberosum. 
Corolla iess than 15 mm. high; leaflets rather 
thin; calyx-lobes acute. 
Leaves equall ubescent on both sides; 
calyx-lobes distinctly longer than broad. 
mi eedaties many-flowered, usually ex- 
ceeding the leaves; corolla white to sky- 
blue, about 20 mm. broad; leaf-segments 
7-11, intermittent segments quite num- 
CTOUS§ 6 De oe 2. S. longipedicellatum. 
Inflorescence few-flowered, usually not 
exceeding the subtending leaf; leaf- 
Gua es intermittent segments 
rare oO 
Corolla bee: leaflets mostly 5-7... 3. S. Papita. 
Corolla white, leaflets 1-3, or if 5 the 
lower paw einen: 056 60 5 5 oes 4. S. Wightianum. 
Leaves almost glabrous above; calyx-lobes 
as broad as long; corolla white, 12-16 mm. 
PR FS a Ee aos eee be kb has 5. S. stoloniferum. 
af-segments sub-sessile or the lower ones very 
short-stalked. 
Plant grayish, stem ~ leaves densely hirsute 
Wit WOGe White BANE 6s 6 as he cade vie 6. S. polytrichon. 
Plant green; stem sad leaves rather sparingly 
hirsute with short hairs. 
Corolla distinctly Sangha, the sinuses with- 
ORE WON 5 os ce Bee es 7. S. Fendlert. 
Corolla somewhat 10-angled, the inter- 
ese! membranes produced into short 
WAM ie ee ee ee . S. demissum. 
Leaf- segments of a lanceolate type, usually long- 
acuminate. 
pRB, 7-11, decidedly pubescent, broadly 
anceolate, mostly acute at the base. 
Corolla 2 cm. broad or more; leaves coarsely 
hirsute, with intermittent segments........ g. S. verrucosum. 
Corolla 1 cm. broad; leaves finely pubescent, 
without intermittent segments............. 
Leaf-segments 11-15, narrowly lanceolate, glab- 
10. S. Ervendbergit. 
