JUNiHKRus ' PINACEJfc 783 



• Leaves not in sheaths, mostly entire: flowers on last years bran- 

 chlets : cones maturing the first year. 



*- BrancbletB emooth, the leaf-scars not raieed. 

 »♦ Leaves in fascicles at the ends of small brancbletf , deciduous. 



8 Larix Cones pendant at the ends of short branchlets, with thin persis- 

 tent scale : seeds without resin Vesicles. 



*<• ** Leaves solitary and scattered along the branchlets, perfiistent. 



7 Abies Leaves sessile, leaving .circular scars: cones erect, their scales 



and bractS' deciduous from the central axis: seeds with resin vesicles; 



8 Pseudotsnga Leaves petioled, the scars transversely oval : cones pen- 



dulous, their scales and bracks persistent on the central axis : seeds 

 without resin vesicles. 



*■ ■*- Branchlets rough from the prominent persistent leaf-bases : 

 cones pendulous, their scales and bracts persistent on the central axis. 



9 TsDga J^eaves petioled, with a single dorsal duct: seeds with' resin 



vesicles. 



10 Ficea Leaves sessile, keeled on both sides, with 2 lateral complete or 

 ' incomplete ducts : seeds without resin vesicles. 



•* Coneb maturing in the. second year, their bracts becoming 

 torky and thickened: leaves of the perfect plant in bundl^ of 1-5, 

 from the axil of scarious bracts, their bases surrounded by a sheath of 

 scabrous Ijud-scales; usually serrulate. 



1 1 Finns Leaves needle-shape, the resin-ducts inconstant in number 

 and variously placed. 



ZVifce 1, CupreBsiness. Cupressmeae. and Junipervse EridU Syn: 

 Cordf. 6. Leaves decussately opposite., or ternate, often difiiorphoui. 

 usufllly scale-like and mostly adnate, the earlier ones free ahdsvhu- 

 late: leaf-buds not scaly. Anther-cells ZtS, introrse on, the lower 

 part of the face of the peltate connective-Male, Pollen-grdins sim- 

 ^ple. Sddles of thefeirlileamentsftv), decussately opp'osit'e, apparently 

 single, ib'ecmdng a small cone or connate into a drupe-like fruit. 

 Ovules erect, solitary or rarely 2 to each scale. Cotyledons usually S, 

 ' 1 JUNIPER'DS L. Sp. 1038. 



Shrubs or li;ees with opposite or verticillate subulate or scale- 

 like sessile evergreen leaves, usually pf 2 .kijids, and- dioecious 

 or sometimes monoecious small glpbose axillary or terminal 

 atnents. Staminate aments oblong or ovoid. Aftther-cells 4-78 

 und,er each shield-shaped scale. Fertile aments of 2 or 3 series .of 

 fleshy scales, vi^ith 2 erect ovules to each scale, in fruit becoming 

 united into a blue-black or reddish drupe, ripening the second 

 season. Seeds 1-12, ovate, bony. 



§ 1 OxYCEDRUs Spach Ann. Sc. Nat. 2nd. Ser. xvi, 289. 

 Leaves ternate, free and jointed at the base, ' linear-subulate, 

 pungent, channelled and white-glaucous above, not glandular- 

 pitted. ' . ' 



J. Gommnnis L. Sp. 1040^ A low tree or erect shrub 1-25 : feet high : 

 with shreddy bark,- the branches spreading or dro(^ing : leaveS'aU subulate, 

 rigid, spreading or some of the lower reflexed, mostly straight, verticillate 



