After a little digging, I found what I believe is the reason for the class "Other".
I think it would be safe to assume the parent plants are of the same class as the cultivated varieties.
TOBACCO accessions with code NT (NO TYPE) for CLASS
113991 to 114027. NICOTIANA TABACUM L. Solanaceae. Common tobacco.
From Costa Rica and Mexico. Seeds collected by W. A. Archer, Bureau of Plant
Industry. Received March 18, 1936. Collected in February and March 1936,
and, unless otherwise stated, the material was collected in Costa Rica.
113991. No. 3673. From San Jose\ Volunteer plants.
113992. No. 3674. From San Pedro. Cultivated plants.
113998. No. 3700. From San Josecito de Alajuela. Volunteer plants.
113994. No. 3701. From San Pedro de Barba. Volunteer plants with narrow
leaves and cerise-red flowers.
113995. No. 3702. From San Pedro de Barba. Volunteer plants with white flowers.
113996. No. 3703. From Barrio Jesus de Santa Barbara. Volunteer plants.
113997. No. 3705. Oolomdo. From Turrialba.Cultivated,
113998. No. 3706. OMricano. From Turrialba. Cultivated.
113999. No. 3709. From Cachi. Cultivated.
:
Nos. 114000 to 114005 were from El Paraiso. Cultivated
114000. No. 3711.
114001. No. 3712. CMricano.
114002. No. 3713.
114003. No. 3714.
114004. No. 3715. Oaoho Chivo.
114005. No. 3716.
114006. No. 3718. From Ujarras. A cultivated strain with large leaves, found in an old field.
114007. No. 3719. From Cachi. A volunteer plant with small leaves and pink
flowers.
I think it would be safe to assume the parent plants are of the same class as the cultivated varieties.
TOBACCO accessions with code NT (NO TYPE) for CLASS
113991 to 114027. NICOTIANA TABACUM L. Solanaceae. Common tobacco.
From Costa Rica and Mexico. Seeds collected by W. A. Archer, Bureau of Plant
Industry. Received March 18, 1936. Collected in February and March 1936,
and, unless otherwise stated, the material was collected in Costa Rica.
113991. No. 3673. From San Jose\ Volunteer plants.
113992. No. 3674. From San Pedro. Cultivated plants.
113998. No. 3700. From San Josecito de Alajuela. Volunteer plants.
113994. No. 3701. From San Pedro de Barba. Volunteer plants with narrow
leaves and cerise-red flowers.
113995. No. 3702. From San Pedro de Barba. Volunteer plants with white flowers.
113996. No. 3703. From Barrio Jesus de Santa Barbara. Volunteer plants.
113997. No. 3705. Oolomdo. From Turrialba.Cultivated,
113998. No. 3706. OMricano. From Turrialba. Cultivated.
113999. No. 3709. From Cachi. Cultivated.
:
Nos. 114000 to 114005 were from El Paraiso. Cultivated
114000. No. 3711.
114001. No. 3712. CMricano.
114002. No. 3713.
114003. No. 3714.
114004. No. 3715. Oaoho Chivo.
114005. No. 3716.
114006. No. 3718. From Ujarras. A cultivated strain with large leaves, found in an old field.
114007. No. 3719. From Cachi. A volunteer plant with small leaves and pink
flowers.