CONIFERS. 



SILVA OF NORTH AMERICA. 



11 



PINUS PONDEROSA. 

 Yellow Pine. Bull Pine. 



Leaves in 3 or in 2 and 3-leayed clusters, stout, rigid, from 3 to 15 inches in length. 

 Cones oval, from 3 to 6 inches long, separating at maturity from their lower scales 

 persistent on the peduncle. 



Pinus ponderosa, Lawson & Son, Agric. Man. 355 (1836) ; 

 List No. 10, Abietinece, 33. — Loudon, Arb. Brit. iv. 

 2243, f. 2132-2136. — Forbes, Pinetum Woburn. 44, t. 

 15. — Antoine, Conif. 28, t. 8, f. 1. — Link, Linncea, 

 xv. 506. — Nuttall, Sylva, iii. 114. — Spach, Hist. Veg. 

 xi. 389. — Endlicher, Syn. Conif. 163. — Knight, Syn. 

 Conif. 30. — Lindley & Gordon, Jour. Hort. Soc. Lond. 

 v. 217. — Dietrich, Syn. v. 399. — Carriere, Traite 

 Conif. 340. — Gordon, Pinetum, 205. — Courtin, Fam. 

 Conif. 79. — Newberry, Pacific R. R. Rep. vi. pt. iii. 

 36. — Cooper, Pacific R. R. Rep. xii. pt. ii. 27, 68 ; 

 Am. Nat. iii. 409. — Torrey, Rot. Mex. Bound. Surv. 

 209 ; Ives' Rep. pt. iv. 28. — Lyall, Jour. Linn. Soc. vii. 

 142. — Bolander, Proc. Cat. Acad. iii. 226, 317. — Hen- 

 kel & Hochstetter, Syn. Nadelh. 71, 415. — (Nelson) 

 Senilis, Pinacece, 125. — Hoopes, Evergreens, 117. — 

 Se'ne'clauze, Conif. 128. — Parlatore, De Candolle Prodr. 

 xvi. pt. ii. 395 (excl. syn. Pinus Sinclairiana). — K. Koch, 

 Dendr. ii. pt. ii. 310. — Engelmann, Rothrock Wheeler's 

 Rep. vi. 261 ; Trans. St. Louis Acad. iv. 181 ; Brewer & 

 Watson Bot. Cal. ii. 125. — Kellogg, Forest Trees of Cali- 

 fornia, 51. — Sargent, Forest Trees N. Am. 10th Census 

 U. S. vs.. 192. — Lauche, Deutsche Dendr. ed. 2, 110. — 

 Schubeler, Virid. Norveg. i. 393. — Willkomm, Forst. Fl. 

 191. — Lemmon, Rep. California State Board Forestry, 

 ii. 73, 97, t. {Pines of the Pacific Slope) ; West- American 

 Cone-Bearers, 32. — Steele, Proc. Am. Pharm. Assoc. 

 1889, 237 (The Pines of California). — Mayr, Wold. 

 Nordam. 308, f. 11, t. 7, f. — Masters, Gard. Chron. ser. 

 3, viii. 557, f. 110, 111, 114, 115 ; Jour. R. Hort. Soc. 

 xiv. 237. — Beissner, Handb. Nadelh. 260, f . 61. — Han- 

 sen, Jour. R. Hort. Soc. xiv. 383 (Pinetum Danicum). — 

 Hempel & Wilhelm, Bciume und Striiucher, i. 189, f. 

 Ill A. — Merriam, North American Fauna, No. 7, 338 

 (Death Valley Exped. ii.). — Coville, Contrib. TJ. S. Nat. 

 Herb. iv. 223 (Bot. Death Valley Exped.). — Koehne, 

 Deutsche Dendr. 35. 



Pinus resinosa, Hooker, Fl. Bor.-Am. ii. 161 (in part) 

 (not Aiton) (1839). 



Pinus Benthamiana, Hartweg, Jour. Hort. Soc. Lond. ii. 

 189 (1847) ; iii. 223. — Lawson & Son, List No. 10, Abie- 

 tineas, 30. — Gordon, Jour. Hort. Soc. Lond. iv. 212, t. ; 

 Fl. des Serres, vi. 85, f. ; Pinetum, 188. — Courtin, Syn. 

 Conif. 76. — Knight, Syn. Conif 30. — Lindley & Gor- 

 don, Jour. Hort. Soc. Lond. v. 216. — Carriere, Traite 

 Conif 350. — A. Murray, Edinburgh New Phil. Jour. n. 

 ser. i. 287, t. 8. — Henkel & Hochstetter, Syn. Nadelh. 

 84. — (Nelson) Senilis, Pinacea;, 104. — Se'ne'clauze, 

 Conif. 123. 



Pinus brachyptera, Engelmann, Wislizenus Memoir of a 

 Tour to Northern Mexico (Senate Doc. 1848), Bot. 

 Appx. 89. — Lindley & Gordon, Jour. Hort. Soc. Lond. v. 

 216. — Carriere, Rev. Hort. 1854, 227 ; Fl. des Serres, ix. 

 201; Traite Conif. 356. — J. M. Bigelow, Pacific R. R. 

 Rep. iv. pt. v. 18. — Gordon, Pinetum, 190. — Henkel & 

 Hochstetter, Syn. Nadelh. 85. — (Nelson) Senilis, Pina- 

 cew, 105. 



Pinus Beardsleyi, A. Murray, Edinburgh New Phil. Jour. 

 n. ser. i. 286, t. 6 (1855). — Carriere, Traite Conif 359. — 

 Se'ne'clauze, Conif 123. — Hansen, Jour. R. Hort. Soc. 

 xiv. 351 (Pinetum Danicum). 



Pinus Craigana, A. Murray, Edinburgh Neiv Phil. Jour. 

 n. ser. i. 288, t. 7 (1855). 



Pinus Engelmanni, Torrey, Pacific R. R. Rep. iv. pt. v. 

 141 (not Carriere) (1856). 



Pinus Parryana, Gordon, Pinetum, 202 (1858). — Henkel 

 & Hochstetter, Syn. Nadelh. 88. — Carriere, Traite Conif. 

 ed. 2, 446. 



Pinus ponderosa, var. Benthamiana, Vasey, Rep. Dept. 

 Agric. U. S. 1875, 178 (Cat. Forest Trees U. S.) (1876). 



Pinus ponderosa, (a) Benthamiana, Lemmon, Rep. Cali- 

 fornia State Board Forestry, ii. 73, 97 (Pines of the 

 Pacific Slope) (1888) ; West-American Cone-Bearers. 33. 



Pinus ponderosa, (c) brachyptera, Lemmon, Rep. Cali- 

 fornia State Board Forestry, ii. 73, 98 (Pines of the 

 Pacific Slope) (1888). 



Pinus ponderosa, var. (a) nigricans, Lemmon, West- 

 American Cone-Bearers, 33 (1895). 



The typical form of this variable species when growing under the best conditions is a tree, usually 

 from one hundred and fifty to two hundred feet in height, with a massive stem five or six feet in 



