174 



2. Mains laiicifolia Rehder. Xarhow-leaved Crab Apple. {M. 

 coronaria of manuals, in part.) Plate 73. Leaves ovate, oblong to ob- 

 long-lanceolate, 1.5-3 cm.(i2-l.-'4 inches) Avide, 3.5-8 em. (li2-3 

 inches) long, acute or shortly acuminate at the apex ; rounded or broadly 

 cuneate at the base, finely serrate often doubly serrate, slightly tomen- 

 tose when young, becoming entirely glabrous; bright yellow-green on 

 l.)oth sides. Flowers 3-3.5 cm. broad, 3-6 in a cluster, pedicels slender, 

 glabrous. Calyx lobes oblong, lanceolate, glabrous outside, slightly 

 villous inside, fi'uit sub-globose, 2-3 cm. (^l-lig inches) in diameter, 

 green. 



Distribution. — Pennsylvania to the mountains of North Carolina, 

 west to Indiana and south to ]\Iissouii. 



Specimens have been seen from the following counties of Indiana: 

 Allen (Deam) 1919; Daviess (Deam) 1919; Delaware (Deam) 1911; 

 Dubois (Deam) 1919; Fountain (Deam) 1919; Henry (Deam) 1917, 

 1919; .Jay (Deam) 1919; .Jennings (Deam); Knox (Deam) 1918, 1919; 

 Noble (Deam) 1919; Posey (Deam) 1919; Sjiencer (Deam) 1919; 

 Starke (Deam) 1911; Union (Deam) 1919; Vermillion (Deam) 1911. 



.3. Mains ioensis (Wood) Britton. Western Crab Apple. Iowa 

 Crab Apple. Plate 74. Leaves oblong to ovate-oblong, 4-10 cm. 

 (1 1 2-4 inches) long, 2-8 cm. (3j;-3i4 inches), wide, obtuse or acute 

 at the apex, rounded or broadly cuneate at the base, dentatc-crenate or 

 doulily so, slighth' pubescent above, becoming glabrous, dark green, 

 slightly rugose al)ove, densely white-tomentose below, remaining so at 

 least along the veins; petioles 1.5-4 cm. (J2-IJ2 inches) long, densely 

 white-f omentose; corymbs 2-5 flowered, pedicels pubescent; calyx 

 denseh' white-tomentose, calyx lobes lanceolate-acuminate, densely 

 tomentose on both sides; flowers similar to those of Mains coronaria; 

 fruit globose, without angles, green, 2-3.5 cm. (;'4-132 inches) thick, 

 2-3 cm. {'^i-l]4 inches) long. 



Distribution. — Indiana, central Kentucky, Louisiana, Wisconsin, 

 southern ^Minnesota, eastern Kansas and Texas. A tree in habit, 

 similai' to Mains glaucescens. 



Specimens have been seen from Allen (Deam) 1915; Benton (Deam) 

 1919; Cass (Deam) 1916; Daviess (Deam) 1919; Delaware (Doam) 

 1911; Floyd (Very) 1896; Huntington (Deam); Jasper (Deam) 1919: 

 Knox (Deam) 1917; Lake (Deam) 1919; Lagrange (Deam) 1915; La- 

 porte (Deam) 1913, 1919; Newton (Deam) 1919; Porter (Deam) 1915; 

 Posey (Deam) 1919; Putnam (Grimes); Sullivan (Deam) 1917, 1919; 

 Tippecanoe (Dorner) 1900, (Deam) 1917; Vigo (Deam) 1917, 1919; 

 Warren (Deam) 1919; White (Deam) 1916; Whitley (Deam) 1919. 



