Tap. 5581. 
CUPRESSUS LAWSONIANA. 
The Lawson Cypress. 
Nat. Ord. Contrern®.—Monacrta Monanpria. 
Gen. Char. Flores in diversis ramis monoici. Masc. Amenta termina- 
lia, cylindrica. Stamina decussatim opposita, 4-fariam imbricata; connec- 
tivo peltato mutico, loculis 2-4 subglobosis. Fam. Amenta terminalia, 
subglobosa ; sguamis 6-12, basi superne incrassatis, inferne solutis. Ovula 
ad basin squamarum pauca vy. plurima, erecta, lageniformia. Strobilus e 
squamis lignosis suborbicularibus angulatis peltatis, vertice mucronatis v. 
umbonatis, primum conniventibus, demum hiantibus. Semina ad basin sti- 
pitis squamarum 2-38-00, compressa v. angulata, marginata v. alata. Hm- 
éryo in axi albuminis carnosi 2-cotyledonus.—Arbores e¢ frutices semper- 
virentes. Folia minuta, decussatim imbricata, squameformia v. rarius acerosa, 
_ se@pe dorso glandula notata.’ Gemme nude. 
Cupressus Lawsoniana ; arborea, ramis patulis 4-gonis, foliis appressis 
imbricatis late ovatis acutis ovato-triangularibusve dorso szpissime 
glanduliferis, strobilis parvis globosis glaucis, squamis ad 8, vertice 
rhombeo lamina horizontali v. decurva patente late triangulari acuta 
instructo, ovulis 8-4, seminibus alatis. 
Cupressus Lawsoniana. Murray e« Gordon, Pinet. p. 62. 
? Coamacyparis Boursieri. Dene. Ann. Soc. Bot. France, 1854, p. 70. Car- 
riére, Traité Gen. Conif. p. 141. 
The beautiful tree here represented has for the last few 
years been a great favourite in our gardens and shrubberies, 
and though a good many years must elapse before it attains 
arboreous stature (it is said to rise to a hundred feet in its 
hative country), it has reached a sufficient height (fourteen 
to twenty feet) to demonstrate that it increases in beauty 
with its years up to that and probably a much greater eleva- 
tion. It was discovered—by Mr. Jeffreys, I believe—in the 
mountain valleys of northern California, lat. 40°-42° N., and 
the first description I find of it is in Gordon’s valuable ‘ Pine- 
tum.’ According to this author, the C. Boursiert of De- 
caisne is a synonym of it. Not having seen that plant, we 
cannot confirm the identification; but if correct, it is very 
JUNE Ist, 1866, 
