1330 



GEONOMA 



GERANIUM 



aconitifolium, 10. 

 album, 13, 15, 16. 

 anemonifolium, 3. 

 argenteum, 6. 

 armenum, 14. 

 Backhousianum, 14. 

 canariense, 3. 

 cinereurn, 7. 

 collinum, 24. 

 Endressii, 22. 

 enanthum, 17. 

 eriostemon, 18. 

 flore-pleno, 15. 



Fremontii, 12. 

 grandiflorum, 20. 

 Greyilleanum, 25. 

 ibericum, 13. 

 incisum, 17. 

 lancastriense, 11. 

 Londesii, 24. 

 macrorrhizum, 5. 

 maculatum, 16. 

 malvaeflorum, 4. 

 nepalense, 21. 

 phseum, 8. 



platyanthum, 18. 

 platypetalum, 13. 

 plenum, 16. 

 pratense, 15. 

 prostratum, 11. 

 Richardsonii, 9. 

 Robertianum, 1. 

 sanguineum, 11. 

 sibiricum, 19. 

 subargenteum, 7. 

 Traversii, 2. 

 Wallichianum, 23. 



KEY TO THE SPECIES. 



cc. Blade 2-2 l A ft.; petiole 4 in. long. INDEX. 

 elegans, Mart., var. robusta, Drude. St. 6-10 ft. 

 high, 3-4 lines diam. : segms. rarely 3, usually 5-7, 1- 

 nerved, 10-14 in. long, some 4 lines wide, intermixed with 

 broader, many-nerved ones, all long, falcate-acuminate: 

 spadix about 10 in. long, the fls. very small, inserted in 

 deep pits. Cent. Brazil. 



BBB. Lf. -segms. all alike (except the connivent apical ones), 

 c. Alternate, remote, linear, scurfy. 



Riedeliana, Wendl. (G. grddlis, Lind. & Andre", 

 the oldest and perhaps the correct name). Habit of 

 Cocos Weddelliana, the whole plant sparsely covered 

 with caducous, brown, shining scales: petiole slender, A. Plants annual, more or less prostrate: 



1^2 ft- or more long, terete below, flattened above; Ivs. finely dissected 1. Robertianum 



rachis triangular, bisulcate above: Ivs. spreading, AA> PI* 1 * 1 * 8 perennial. 



drooping at the apex; segms. 10-12 in. long, about 9 B - Species tender, to be grown only in 



lines wide, linear-acute, elegantly recurved, the 2 greenhouse northward. 



terminal ones connivent: fls showy yellow, in long ^^^STST 'least' never * TraV6rSU 



drooping spadices. Brazil. I.H. 21:169. B.M. 7963. canescent. 3. anemonifo- 



cc. Equidistant: petiole half as long as the blade. BB - Species hardy. [Hum 



Schottiana Mart. St 9-15 ft. high, 1-1% in thick: c <; l^^us^ooted. * malv * florum 



Ivs. long-stalked, gracefully recurving; petiole half or D plant with a thickened woody 



more than half as long as the blade; segms. about 35 oase 5. macrorrhi- 



qn each side, 10-12 in. long, %in. wide, equidistant, DD. Plants without thickened woody [zum 



linear or linear-lanceolate, very long-acuminate, base. 



recurved at the tip: spadix about 10 in. long, the stalk E. Foliage silvery-canescent. 



about 1 ft. long. E. Brazil. A very variable species. F - Usually 1-fld 6. argenteum 



The following are imperfectly described, but are in the trade: FF - Usually 2-fld . .. ...... 7. cmereum 



G. imperiMis, Lind. G.W. 2, p. 37. G. princeps, Uud.G. EE. Foliage or whole plant glabrous 



Pynxrtidna, Hort. Belongs under A. One of the smallest Ivs. meas- or pubescent, out not silvery. 



ures 28 in. long by 10 in. at the broadest. Has not flowered yet, r. Sts. erect. 



and the genus is therefore uncertain. R.H. 1898, p. 262. G.C. III. .-, p/,, fi nr i. hhip nJmntf hJnrk R nhamm 



23 : 258. F.E. 10 : 886. G.W. 2, p. 445.-G. specidsa, Barb.-Rodr. " E rf ^ * T^f ^ 



G.W. 2, p. 431. G. Swdrtzii, Griseb. (Calyptrogyne Swartzii, GG - * no ^. ~ biue < some ' 



Hook. Calyptronoma Swartzii, Griseb.). Trunk 50-60 ft. high, times Wht blue. 



smooth: If.-segms. linear-acuminate, green, glabrous. Cuba. H. Color of fls. white (see 



N. TAYLOR.! a ^ so white-fld. forms of 



GEORGINA. A synonym of Dahlia, which still i.^Tsl 3-5 -parted*. ^ .. 9. Richardsonii 



survives in the form of "Georginen, the popular name n. LVS. 7-parted 10. aconitifolium 



of dahlias in Germany. HH. Color of fls. not white. 



. > i. Mostly 1-fld 11. sanguineum 



GERANIUM (Greek, crane; from the resemblance of n. Mostly more than 1-fld. 



the fruit to a crane's bill). Geraniacese. CRANESBILL. j. The st. branched. 



Generally herbaceous plants, annual, biennial, and per- K. Fls. rose-purple 12. Fremontii 



ennial. Widely cultivated in borders, and some species KK - Fl s - violet 13. ibericum 



in the rockery, usually caulescent. JJ - Th . e ste - essentially 



Leaves simple, alternate or opposite and much- . s l. TO P' e - 7 



11 j- i a i i f K. Lobes of the Ivs. 



lobed, sometimes almost radical: fls. regular; sepals 5, more or ^ 



imbricated, often 3-nerved and mucronate; petals 5, rounded 14. armenum 



often hairy or ciliate; stamens 10, in 2 rows; anthers KK. Lobes of the hs. 



10; seeds when ripened separated from the ovary and ovate or lanceolate. 



with its awn bent sinuously. The genus Erodium, its L - Pedicels recurved 



nearest ally, has but the inner row of stamens furnished Ji n /?' i ; 15. pratense 



with anthers and the awn of the seed is bent spirally. LL< Ped els erect in 



The geraniums of common speech are classed in the M The pedicels not 



genus Pelargonium, having at the side of the pedicel a ' glandular 16. maculatum 



distinct narrow tube and zygomorphic fls. The genus MM. The pedicels 



Geranium has over 250 species, found in the temperate glandular. 



zones particularly of the northern hemispheres, very N. Lvs. finely cut.17. incisum 



few in the tropics. The roots of some, as G. maculatum, NN - Lvs - 5-lobed...l8. eriostemon 



find use in medicine on account of their astringency. FF - Sts. decumbent or creeping, 



Thrive well in ordinary garden soil, and are propagated scarcely erect. 



by seeds and divisions of roots. 'The best botlnical ^ g*rfS Mfc^il ^ 



account is that of R. Knuth in Engler's Das Pflanzen- ' ' H . Petals about ^ Zonff as \ he 



reich, hft. 53 (1912), and by Small and Hanks in N. sepals. 



Amer. Flora, Vol. 25, 1907, for the N. American spe- i. Fls. pale lilac 20. grandiflorum 



cies. A beautifully illustrated account of the genus is n. Fls. rose-purple 21. nepalense 



by Sweet (1820-30) in which special stress is laid on HH. Petals 1-2 times the 



cultivation. There are 500 colored plates, and, where length of the sepals. 



possible, these are cited in the following account, thus, i- Upper Ivs. 8-lobed 22. Endressii 



S. 197.=Sweet, Geraniace*, plate 197. n - All the hs. 5 -lobed 



Large masses of native species such as G. maculatum aSfSS noised fnum 



and G. Robertianum can be effectively naturalized ' some times spotted. ' 



under bushes and trees. They spread very rapidly K . Base of petals ciliated, collinum 



and in the case of G. Robertianum will be profuse KK . Base of petals pilose 



bloomers nearly all summer. or glabrous 25. Grevilleanum 



