Mr. Don's Descriptions of Five new Species of Pinus. 443 



genteis, strobilis ovatis, bracteolis trilobis ; lacinia intermedia longissimA 

 foliacea recxirvata. 

 Habitat in California, in montibus Sanctse Lucise, alt. 3000 ped. Coulter. ^ . 



(v. s. sp.) 



.■irbor elongato-pyraniidata. Trimcus rectissimus, gracillimus, 120 pedes altus, 

 crassitie ad basin vix pedali, tertia parte superiore lamis tantfim onustus, 

 cortice badio obductus. Rami verticillati, patentes ; inferiores leviter 

 decumbentes. Folia conferta, undique inserta, bifariflm tamen patentia, 

 linearia, mucronata, plana, codacea, rigida, bi- v. nunc fere tri-pollicaria, 

 lineam circiter lata, supra Isetfe viridia, nitida, lineaque depressiuscula 

 exarata, subtfis argentea, margine pariim revoluta, costa apiceqiie callosis. 

 Strobili in ramis tantflm adultioribus solitarii, laterales, subsessiles, eiecti, 

 ovati, turgidi, vix 4-pollicaies, diainetro 2-unciales, basi squamis pluribus 

 ovato-oblongis, acutis, scariosis, laceris, spadiceis, revolutis, persistenti- 

 bus muniti : squamis reniformi-rotundatis, concavis, stipitatis, substantia 

 crassis, induratis, pallida fuscis, margine incurvis, crenulatis, extiis rore 

 glauco coerulescentibus, stipite supr^ acut^ carinata, disco breviore. 

 Bractece cuneatae, adpressae, coriaceee, rigidae, squamis concolores et iis- 

 dem breviores, infernfe adnatae et callosije, apice trilobatse ; lobis laterali- 

 bus brevissimis, rotundatis, eros^ dentatis ; intermedia recurvato, sesqui- 

 pollicari, foliis propriis omnin6 confornii ! sed duplo angustiore. Semina 

 cuneato-oblonga, tetragona; testd exteriore (primina) cinereo-fulva, an- 

 gulo interno disjuncta, aperta, ibique nucleura exponente, apice in alam 

 insequilatcri-obovatam, integerrimam, tenuissim^ membranaceam, planam, 

 reticulatam extensa. Nucleus testa propria (secundina) crustaceA, sordid^ 

 fusca inclusus, apice al^ brevissima membranacea erosa coronatus. 



This curious and interesting species of Fir was discovered by Dr. Coulter 

 on the sea side of the mountain range of Santa Lucia, about 1000 feet lower 

 down than Coulteri. The trunk rises to the height of 120 feet, is very slender, 

 not exceeding two feet in circumference, and as straight as an arrow. The 

 upper third of the tree is clothed with branches, giving it the appearance 

 of an elongated pyramid. The branches are spreading, the lower ones are 

 decumbent. The bractes are long and recurved, and but little changed from 



VOL. XVII. 3 M 



