56 Rhodora [Marcu 
which is retained in Bentham & Hooker’s Genera Plantarum and in 
Small’s Flora. It seems to the writer that the differences in anthers 
and inflorescence are not sufficient to justify the maintenance of 
Lapithea as a genus, but that the group is better treated as of subgenerie 
value. The genus may be further divided into sections and subsec- 
tions in the following manner: 
SYNOPSIS OF SABATIA ADANS. 
Subg. I. Eusabatia (Griseb.) n. comb.— Sabbatia sect. Husabbatia Griseb. 
Gentian. 120 (1839).— Flowers solitary, scattered, or cymose-panicled, 
peduneulate. Anthers recurved or spirally coiled. 
Sect. 1. Pentapetala. Floribus 5(rare 6-7)-meris minoribus. Type- 
species S. angularis (L.) Pursh. 
Subsect. A. Angulares. Ramulis oppositis; calyce non costato. 
1. S. macrophylla Hook. 4. S. paniculata (Michx.) Pursh. 
2. S.angularis (L.) Pursh. 5. S. brachiata Ell. 
3. S. difformis (L.) Druce. 
Subsect. B. Campanulatae. Ramulis alternis; calyce non costato. 
6. S. Elliottii Steud. 9. S. simulata Britton. 
7. S.stellaris Pursh. 10. S. Purpusii Brandegee.! 
8. S. campanulata (L.) Britton 11. S. Palmeri Gray. 
me " v.grandiflora 12. S. maculata (Benth.) Benth & Hook. 
(Gray) Blake. 13. S. calycina (Lam.) Heller. 
Subsect. C. Campestres. Ramulis alternis ; calyce valde costato. 
14. S. campestris Nutt. 16. S. arenicola Greenm. 
15. S. carnosa Small. 
Sect. 2. Pleienta (Raf.) n. comb. Floribus 8-12-meris majoribus.— Sab- 
batia subg. Plurimaria Raf. Med. Fl. ii. 76 (1830) in part; Pleienta Raf. Fl. 
Tell. iii. 30 (1836), in part. 
17. S. foliosa Fernald. 19. S. dodecandra (L.) BSP. 
18. §S. obtusata Blake. 20. S. decandra (Walt.) Harper. 
Subg. II. Pseudochironia (Griseb.) n. comb.— Flowers sessile in terminal 
and axillary bracteate heads of 1-7. Anthers slightly twisted laterally.— 
Sabbatia sect. Pseudochironia Griseb. Gentian. 125 (1839. Lapithea Griseb. 
1 Perhaps not distinct from S. Palmeri, of which no specimen has been available 
for comparison. 
