66 JOURNAL OF THE ARNOLD ARBORETUM [vol. hi 



20b. S. longifolia var. pedicellata Andersson. — S. rubra Richardson. 

 S. longifolia ? Torrey. — S. fluviatilis Sargent, pro parte. — S. interior 

 Ptowlee, pro parte. — S. linearifolia Rydberg, pro parte.— S. longifolia 

 interior Jones, pro parte. — See Schneider in Bot. Gaz. lxvii. 344. 



20c. S. longifolia var. angustissima Andersson.— S. longifolia *** opaca 

 Andersson, pro parte. — S. longifolia argyrophylla Andersson, pro parte 

 S. Thurberi Rowlee. — See Schneider in Bot. Gaz. lxv. 26. 



An incertain form of this section is S. longifolia var. sericans Nees v. 

 Esenbeck mentioned by me in Bot. Gaz. lxvii. 346. 



Sect. VI. Reticulatae Fries.— Sect. Chamaetia Dumortier in Bijdr. 

 Nat. Wet. i. 56 (Verb. Gesl. Wilg. 15) (1825).— Sect. Chamitea A. et E.- 

 G.Camus, Class. Saul. Eur. i. 129 (1904).— See Schneider in Sargent, 

 PL Wilson in. 144 in Bot. Gaz. lxvii. 43. 



21. S. reticulata Linnaeus. — S. reticulata glabra Trautvetter. — S. reticu- 

 lata normalis Andersson. — S. reticulata typica glabra Andersson. — S. orbic- 

 ularis Andersson, pro parte. — Chamitea reticulata Kerner. — See Schneider 

 in Sargent, PL Wilson in. 144 and in Bot. Gaz. lxvii. 44. 



21a. S. reticulata f. subrotunda Seringe— S. reticulata Hoffmann— S. 

 orbicularis Andersson, pro parte,— See Schneider in Bot. Gaz. lxvii. 45. 



22. S. vestita Pursh. — S. reticulata vestita Andersson pro parte. — S. ve- 

 stita humilior Andersson.— See Schneider in Bot. Gaz. lxvii. 45. 



22b. S. vestita var. erecta Andersson.— S. Fernaldii Blankinship— See 

 Schneider in Bot. Gaz. lxvii. 46. 



23. S. leiolepis Fernald .— See Schneider in Bot. Gaz. lxvii. 46. 



24. S. nivalis Hooker.—? S. vestita /?. nana Hooker, Fl. Bor. Am. n. 

 152 (1839). — S. reticulata nana Andersson, pro parte. — S. reticulata nivalis 

 Andersson. — See Schneider in Bot. Gaz. lxvii. 47. 



24b. S. nivalis var. saximontana Schneider.— S. reticulata Bebb — S. 

 saximontana Rydberg.— S. aemulans Von Seemen. — See Schneider in Bot. 

 Gaz. lxvii. 47. 



To this section may possibly belong the following two very obscure 

 species of which Andersson gave a very insufficient description and of 

 which I have not yet seen the type material: S. obcordata Andersson and 

 S. venusta Andersson, see Schneider in Bot. Gaz. lxvii. 64. 



Sect. VII. Herbaceae Borrer.— Sect. Chamaetia Dumortier, pro 

 parte. — Sect. Retusae Kerner. — Sect. Myrsinites Schneider, pro parte. 

 See Schneider in Bot. Gaz. lxvii. 48. 



25. S. polaris Wahlenberg. — ?S. herbacea var. polaris Kurtz. — See 

 Schneider in Bot. Gaz. lxvii. 49. 



25a. S. polaris f. subarctica Lundstrom. — See Schneider in Bot. Gaz. 

 lxvii. 49.—? S. prostrata Muhlenberg, Cat. PI. Am. Sept. 91 (1813), nom. 



nud. 



26. S. Uva-ursi Pursh.— S. Cutleri Tuckerman— S. retusa Oakes ex 



under this number is of hybrid origin it must have been carried miles in the seed state 

 before being deposited. It seems to me, though, more likely that it is a descendant 

 of the canyon plants." 



