cocos 



cocos 



343 



BB. Rachis not abruptly contracted. 



c. Leaflets fhn-<-i<l. 



D. Form of Ifts. litn-ar. 



E. Arr)ii/<'ic)it of I ft a. equidistant. 



Weddelliana, H. Wendl. Fig. 508. Stem 4-7 ft. high, 

 \y in. in diam., densely covered with persistent sheaths : 

 Ivs. equally pectinate-pinnatisect, 3-3% ft. long: petiole 

 8-20 in. : sheath coriaceous-fibrous, glabrous or tomen- 

 tose, with slender brown .hairs, at length evanescent : 

 blade 2-3 ft. : segments about 50 on each side, widely 

 spreading, the middle 5 in. long, 2 lines wide, subequi- 

 distant, glaucous beneath: rachis filiform at the apex, 

 brown-scaly. Trop. Braz. R. H. 1879, p. 434. I.H. 

 22:220. A.(i. 1<;:345. The most important of small or- 

 namental palms for the north. 



EE. Arrangement of Ifts. in groups of 2-4. 



plumosa, Hook. Stem 30-36 ft. high, 10-12 in. thick, 

 ringed at intervals of a foot, clothed near the apex with 

 remnants of the dead petioles; Ivs. erect-spreading, 12- 

 15 ft. long, recurving : petiole %-K as long as the 

 blade : segments linear acuminate, sparse, solitary or 

 mostly in groups of 2-4, \Y Z ft. long, deflexed near the 

 apex. Cent. Braz. B.M. 5180. The chief avenue palm 

 of the genus. A quick-grower, ultimately 50 ft. high in 

 S. Fla. and Calif. 



cc. Leaflets rigid. 



butyracea, Linn. Stems very tall, naked : Ivs. pin- 

 nate ; Ifts. simple ; spathe cylindrical-oblong, 4-6 ft. 

 Venezuela. Rare and perhaps confused with Scheelea 

 butyracea. Little known. 



D. Form of Ifts. sivord-shaped. 



Romanzoffiana, Cham. Stems 30-40 ft. high, some- 

 what fusiform above: Ivs. about half as long as the cau- 

 dex, the withered ones deflexed, pendent, the upper 

 spreading, incurved, segments conduplicate at the base, 

 ensiform. S. Braz., near the sea. 



DD. Form of Ifts. linear: apex obtuse: petiole glaucous. 



australis, Mart. PJNDO PALM. Height 8 ft.: stem 

 erect, columnar, equal, strongly annular above ; petiole 

 naked ; segments linear, glaucous, rather rigid : fr. as 

 large as a pigeon's egg, outer pulp sweet, edible, seed 

 oily. Paraguay. G.C. III. 18:739. A.F. 5, 515, and 7:805. 

 R.H. 1876, p. 155. A slow grower. Cult, under glass 

 and outdoors in Fla. and Calif. 



nucifera, Linn. Ceco PALM. COCOANUT TREE. Figs. 

 507, 508. Caudex 40-100 ft. high, flexuous, thickened at 

 the base: Ivs. 12-18 ft. long ; Ifts. linear-lanceolate, 2-3 

 ft., coriaceous, flaccid: petiole 3-5 ft., stout. Seashores 

 within the tropics. Indigenous to Cocos or Keeling 

 Islands of the Indian 

 ocean. R. H. 1895, 

 p. 457. Mn. 2: 171. 

 (.i.F. 7: 15. -Produces 

 the cocoanuts of com- 

 merce. Rarely cult, 

 in northern green- 

 houses. 



the mouth ; petiole 1% ft. long, spinose-serrate ; seg- 

 ments 50-60 on a side, crowded below, then equidistant, 

 linear-lanceolate, the uppermost long-setaceous filiform, 



(Nat. size at this stage.) (Nat. size.) 



507. Stages in the growth of a cocoanut. 



DDD. Form of Ifts. narrowly lanceolate. 



E Li's, long, 6-15 ft. in mature specimens. 



F. Petiole spinose-serrate: segments of leaf less 



numerous. 



Yatay, Mart. Stem 12-15 ft. high, over 1 ft. in diam., 

 naked below, covered with dead sheaths above: Ivs. re- 

 curved, spreading 6-9 ft, : sheath 1 ft. long, fibrous at 



508. Cocos Weddelliana. 



the middle ones 2% ft. long, 2-5 in. wide, the upper 20 

 in. long, Kin. wide, all rigid, glaucous beneath. Brazil, 

 Argentina. 



FF. Petiole not spinose-serrate: segments of leaf 

 very numerous. 



Datil, Drude & Griseb. Stem 30 ft. high, 8-12 in. diam. : 

 Ivs. 12-15 ft. long; sheath about 16 in. long; petiole 1% 

 ft. long, 1% in. wide, %in. thick ; segments linear-acumi- 

 nate, glaucous, densely crowded in groups of 3 or 4, 

 150-160 on each side, the lowest 2 ft., middle 2% ft. and 

 apical 1 ft., the uppermost filiform, all narrow, stiff and 

 rigid, the dried Ivs. glaucous green or whitish. Argen- 

 tina; islands and river banks. The fruits are edible, 

 resembling those of the date palm. Hardier in S. Calif, 

 than C. plumosa, flexuosa, and Romanzoffiana. 



coronata, Mart. Trunk at length 18-30 ft. high, 8 in. 

 in diam., erect, deeply ringed: Ivs. erect-spreading, 6-9 

 ft. long, short-petioled, arranged in a close, 5-ranked 

 spiral, the long-persistent bases of the petioles forming 

 a spiral -twisted column below the crown; leaf -segments 

 in groups of 2 or 3, folded together from the base (con- 

 duplicate), linear lanceolate, acute, coriaceous, densely 

 crowded, about 100 on each side; midrib 4-sided below, 

 3-sided above. Brazil. 



EE. Lvs. shorter, 8-4% ft. in mature specimens. 



F. Apex of Ifts. obtuse. 



campSstris, Mart. Stem 8-10 ft. high, thickened, scaly: 

 Ivs. spreading-recurved, rigid, 3-4 % ft. long: rachis ele- 

 vated, triangular above, convex below : segments nar- 

 rowly lanceolate, 30-40 on each side, obtuse at the apex 

 and shortly cordate-acuminate. Brazil. Hardier than 

 C. nucifera. 



FF. Apex of Ifts. acuminate. 



insigrnis, Mart. (Glazibva insignis, Hort.). Stem 3-6 ft. 

 high, \% in. in diam. : Ivs. 4%-6 ft. long; sheath densely 



