334 APPENDIX VI 



Pirns amabilis, Dougl. in Hook. Gomp. Bot. Mag. ii. (1836) p. 93— North- 

 West America. 



= Abies amabilis, Mast, in Joum. R. Hort. Soc. xiv. p. 189. 

 P. Doughsii, Lamb. Gen. Pin. ed. II. iii. t. 90— North-West America. 



= Pseudotsuga Douglasii, Mast, in Journ. R. Hort. Soc. xiv. p. 245. 

 P. grandis, Dougl. in Hook. Comp. Bot. Mag. ii. (1836) p. 147— North- 

 West America. 



= Abies grandis, Mast, in Journ. R. Hort. Soc. xiv. p. 192. 

 P. insignis, Dougl. ex Loud. Arboret. iv. p. 2243, f. 2132-37— California. 

 P. Lambertiana, Dougl. ia Trans. Linn. Soc. xv. (1827) p. 500— California. 

 P. macrocarpa, Liadl. Bot. Reg. (1840), Misc. p. 62 — California. 



= P. Coulteri, Mast, in Journ. R. Hort. Soc. xiv. p. 227. 

 P. Menziesii, Dougl. ex Lamb. Gen. Pin. ed. II. iii. p. 161, t. 71 — 

 CaUfomia. 



= Pieea sitchensis. Mast. I.e. p. 224. 

 P. monticola, Dougl. ex Lamb. Gen. Pin. ed. I. ui. p. 149, t. 87 — California. 

 P. noUlis, Dougl. ex Loud. Encyc. PI. Suppl. i. p. 1276 — Cahfomia. 



= Abies nobilis. Mast, in Journ. B. Hort. Soc. xiv. p. 193. 

 P. ponderosa, Dougl. in Loud. Arboret. iv. p. 2243, f. 2132-2137— North- 



West America. 

 P. Sabiniana, Dougl. in Trans. Linn. Soc. xvi. (1833) p. 749 — California. 

 Platystemon californicus, Benth. ; Bot. Reg. t. 1679 — California. 

 Platystigma lineare, Benth. ; Bot. Mag. t. 3575 — California. 

 Pogonia pendula, Lindl. in Bot. Reg. t. 908 — North America. 

 Potentilla arachnoidea, appears to have been first pubHshed in Hook. 

 Comp. Bot. Mag. ii. (1836) p. 141. 



= P. pensylvanica, Ind. Kew. fasc. ui. p. 611. 

 P. argute, Pursh, Fl. Am. Sept. ii. p. 636 ; Lindl. Bot. Reg. t. 1379— North 



America. 

 P. effusa, Dougl. ex Lehm. Pugill. ii. p. 8 — North- West America. 

 P. glandulosa, Lindl. Bot. Reg. t. 1583— North- West America. 

 P. dbscura, Hook. Gomp. Bot. Mag. n. (1836) p. 141. quid ? 

 P. pectinata, Fisch. ex DC. Prod. ii. p. 581— North America. 



= P. pensylvanica var. strigosa. Hook. Fl. Bor. Am. i. p. 188. 

 Prunus depressa, Pursh, Fl. Am. Sept. i. p. 332— North America. 



= P, pumila, S. Wats. Bibl. Ind. N. Am. Bot. p. 306. 

 Psoralea maerosteehya, DC. ; Bot. Reg. t. 1769— Cahfornia. 

 P. orbicularis, Lindl. Bot. Reg. t. 1971— California. 

 Purshia tridentete, DC. in Trans. Linn. Soc. xii. (1817) p. 158 ; Lindl. 



Bot. Reg. t. 1446— North- West America. 

 Pyrus rivularis, Dougl. ex Hook. Fl. Bor. Am. i. p. 203, t. 68— North- West 

 America. 



Ribes cereum, Dougl. in Trans. Hort. Soc. vii. (1830) p. 512 ; Lindl 

 Bot. Reg. t. 1263— North- West America. 



R. divaricatum, Dougl. l.c. p. 515 ; Lindl. Bot. Reg. t. 1359— North- 

 West America. 



R. echinatum, Dougl. ex Lindl. Bot. Reg. sub t. 1349— California 

 = R. lacustre, S. Wats. Bibl. Ind. N. Am. Bot. p. 334. 



