Vol. 51] No. 5 
BULLETIN 
TORREY BOTANICAL CLUB 
MAY,- 1924 
The Section Tuberarium of the Genus Solanum in Mexico and 
entral America: Concluding Paper- 
Per AXEL RYDBERG 
re PINNATISECTA 
Fruit globose; plant not glandular 
Leaf-segments distinctly ccuieds calyx-lobes 
broadly deltoid, as broad as long (except in 
S. brachistotrichum). 
Leaf-segments of an ovate or cordate type, 
rounded, obtuse, or merely acute at theapex.. 12. S. cardiophyllum. 
Leaf-segments of a lanceolate type, acuminate. 
Calyx 5 mm. long; corolla fully 1 cm. long; 
ledtete a Wie a ee a se 13. S. sambucinum. 
Calyx 2.5-4 mm. long; corolla 8-9 mm. long; 
leaflets 7-9 
Calyx-lobes Sadly triangular, shorter than 
the tube. 
Leaves glabrous above, glabrous or slight- 
ly orumose beneath. 65 522. 14. S. lanctforme. 
Leaves pubescent on both sides, segments 
Short: petioliied.. 25666) eee 15. S. Ehrenbergii. 
Calyx-lobes lanceolate, fully as long as the 
tube; leaves puberulent on both sides.... 16. S. brachtstotrichum. 
Leaflets sub-sessile, decurrent on the rachis. . 
Calyx-lobes lanceolate, as long as or longer 
than the tube; plant 3-5 dm. ; 
Leaf-segments lanceolate, usually 7 or more. 
Corolla more or less crisp-hirsute without; 
leaves hirsute on both sides; — 
articulate above the middle. . 17. S. nayarttense. 
Corolla glabrous or puberulen 
Inflorescence more or less eee leaf- 
segments mostly 5-9; pedicels 
articulate near the middle. 
[The BuLLetIN for April (51: 127-165) was issued May 17, 1924.] 
167 
