Tas. 8717. 
PINUS TUBERCULATA. 
Western North America. 
CoNIFERAE. Tribe ABIETINEAE. 
Pinus, Linn.; Benth. et Hook. f. Gen. Plant. vol. iii. p. 438. 
Pinus tuberculata, Gord. in Jowrn. Hort. Soc. Lond. vol. iv. p. 218 cum icon, 
(1849) e¢ Pine. p. 211; ed. 2, p. 288; Carriére, Trait. Conif. ed. 2, 
p- 441 (1867) pro parte; Parlatore in DC. Prodr. vol. xvi. pars ii. p. 394 
(1868) pro parte; Engelm. in Brewer ¢ Wats. Bot. Calif. vol. ii. p. 128 
(1880) ; Ravenscroft, Pinet. Brit. vol. i. p. 93, t. 13 et figs. 1-13 (1884) ; 
Masters in Gard. Chron. 1885, vol. xxiv. p. 786, figs. 183, 184; Kent in 
Vettch Man. Conif. p. 386 (1900) ; Sargent in Bot. Gaz. vol. xliv. p. 226 
(1907); Betssner, Handb. Nadelholzk. p. 270; ed. 2, p. 381 (1909); 
Clinton-Baker, Ill. Conif. (1910), vol. i. p. 57 cum icon. (1909); Elwes & 
Henry in Trees of Great Brit. ¢ Irel. vol. v. p. 1077 (1910) ; Jepson, Silv. 
Calif. p. 102, t. 28, figs. 8, 4 (1910); Bean, Trees ¢ Shrubs, vol. ii. 
p- 193 (1914): non D. Don; species P. radiatae D. Don, affinis sed habitu 
et conis magis elongatis glomeratis et trunco appressis e squamarum 
umbone breviter crasse spinosis distincta. 
Arbor plerumque 6-7 m. alta, cum trunco 30 cm. crasso, rarius 25-30 m. 
altitudine attingens et tunc truncus triplo crassior; rami e basi patenti- 
adscendentes comam late pyramidalem aetate depressam depauperatam 
formantes ; cortex primo laevis, brunneus, aetate nigrescens et irregulariter 
in squamas amplas solutus. Gemmae hibernantes cylindricae, 2-2°5 cm. 
longae, 6 mm. diametro, castaneae vel purpurascentes, resinosae, squamis 
praeter infimas arcte adpressis lanceolatis subulato-acuminatis copiose 
longiuscule fimbriatis. Folia terna, fasciculata, fasciculis basi squamis 
vaginantibus hyalino-scariosis primo brunnescentibus demum fuscescentibus 
vel griseis circumdatis, acicularia, subpungentia, 8-18 cm. longa, 1°5 mm. 
lata, ad margines tenuissime serrulata, rigida, pallide vel obscure viridia, 
dorso convexa, facie sicca inter margines et costam sulcata. Strobilt 
mascult eylindrici, circiter 1°5 cm. longi, 4 mm. diametro, castanei. 
Strobili foeminei 2-4 in fasciculos congesti, sub anthesi ovoideo- vel 
ellipsoideo-globosi, 1°2-1°5 em. longi. Carpella rotundato-ovata, quam 
squamae ovuliferae jam sub anthesi multo breviora ; squamulae ovuliferae 
late ovatae, superne incrassatae et abrupte spinuloso-acuminatae. Conti 
deflexi et saepe ramo arcte appressi, ambitu oblique elongato-ovati vel 
ovato-oblongi, 7°5-15 cm. longi, 5-6 cm. diametro, castanei; squamae 
maturae spatulato-cuneatae, arctissime contiguae, lignosae, intermediae 
dorsales 4°5-5 cm. longae, superne ad 1°2 cm. latae, ventrales multo 
minores ; hypophyse rhombica transverse tenuiter carinata, umbone e basi 
lata crassa breviter incurvo-spinosa. Semina obovoidea, 6 mm. longa, 
nigrescentia, ala late lineari-oblonga, apice obliqua, 2-2°25 cm. longa, 
6-8 mm. lata, albida vel brunnescente striis striolisque rufescentibus 
notata.—P. californica, Hartweg in Journ. Hort. Soc. London, vol. ii. p. 189 
Juny, 1917. : 
° 
