186 CONIFER. 
Tribe IV. ABIETINEA. 
Abietinee, Benth. et Hook. Gen. Plant. iii. p. 423. 
This tribe comprises about 120 species, referred to seven genera. ‘They are restricted 
to the northern hemisphere. 
5. PINUS. 
Pinus, Linn. Gen. Plant. n. 1077, pro parte ; Benth. et Hook. Gen. Plant. ii. p. 438. 
There are about seventy species, generally spread in the temperate regions of the 
northern hemisphere, and extending to the mountains of the tropics in Eastern Asia, 
the West Indies, and Central America. The Mexican species are still very imperfectly 
known. 
1. Pinus arizonica, Engelm. in Rothr. Bot. Arizona, p. 260. 
Arizona.—NortH Mexico, mountains of Santa Rita, within the old boundary. 
2. Pinus ayacahuite, Ehrenb. in Linnea, xii. p. 492; DC. Prodr. xvi. 2, p. 406. 
Pinus strobiformis, Engelm. Bot. Wisliz. Exped. p. 18. 
Pinus don pedri, P. hamata, P. veitchii et P. popocatepetlii, Roezl, Cat. Grain. Conif. pp. 31-33. 
Pinus buonapartea, P. colorado et P. durangensis, Roezl, Gord. Pinet. p. 218, et Suppl. p. 75. 
Pinus loudoniana, Gord. Pinet. p. 230. 
Norta Mexico, Sierra Madre (Roezl), Cosiquiriachi (Wislizenus) ; SourH Mexico, 
Popocateptl 11,000 to 12,000 feet (Roezl), Real del Monte, Oaxaca and Chiapas 
(Ehrenberg), without locality (Uhde); GuaTEMALA, without locality (Godman & Salvin), 
Quezaltenango &c. (ex Gordon). Hb. Kew. 
3. Pinus cembroides, Zucc. Pl. Nov. fasc. i. p. 392; Flora, 1832, ii. Beibl. 
p- 93; DC. Prodr. xvi. 2, p. 397; Benth. Pl. Hartw. p. 58; Gord. in Journ. Hort. Soc. 
Lond. i. p. 236, cum ic. xylogr. 
Pinus fertilis, Roezl, ex Gord. Pinet. Suppl. p. 76. 
Pinus Ilaveana, Schiede in Linnea, xii. p. 488; Antoine, Conif. p. 36, t. 16. fig. 1; Forbes, Pinet. 
Woburn. p. 49, t. 17; Torr. Bot. U.S. & Mex. Bound. Surv. p. 208, t. 53. 
Pinus osteosperma, Engelm. Bot. Wisliz. Exped. p. 5. 
Norta Mexico, Saltillo (Gregg), Buena Vista and about Saltillo ( Waslizenus), Sierra 
Madre (Seemann), region of San Luis Potosi at 6000 to 8000 feet (Parry & Palmer, 846) ; 
Souts Mexico, Zimapan (Hartweg), between Zimapan and Real del Oro at 8000 to 
10,000 feet (Schiede). Hb. Kew. 
4, Pinus chihuahuana, Engelm. Bot. Wisliz. Exped. p. 19; DC. Prodr. xvi. 2, 
p. 397; Engelm. Rev. Gen. Pinus, p. 21. 
Nortu Mexico, Chihuahua at about 7000 feet (Wislizenus ; Wright), Ub. Kew. 
5. Pinus edulis, Engelm. Bot. Wisliz. Exped. p. 4; DC. Prodr. xvi. 2, p. 398 ; 
Torr. in Sitgr. Rep. p. 173, t. 20; Torr. Bot. U.S. & Mex. Bound. Surv. p. 208. 
Pinus fremontiana, Gord. in Journ. Hort. Soc. Lond. iv. p. 293, cum ic. xylogr. non Endl. ex Torr. 
loc. cit. 
