246 



Annals of Horticultui'c. 



Gaillardia. Ten species in our 

 limits. 



G. amblyodon, Gay. * (Eng. 

 1873.) 



G. aristata, Pursh. Gill. 1881. 



(Eng. 1832.) 

 G. pulchella, Foug. (G. Drum- 



mondii.) * (Eng.) 

 G. pulchella, var. picta, Gray. 



(D. picta.) * Very common in 



gardens. 



Gnaphalium. About 100 species, 



of which ours are 15. 

 G. decurrens, Ives. (Eng.) 

 Grindelia. Twenty species; 14 



ours. 



G. hirsutula, Hook. & Arn. (G. 



hirsuta of dealers ?) 

 G. squarrosa, Dunal. * (Eng. 



1S11.) 



G. squarrosa, var. grandiflora, 

 Gray. (Eng. 1851.) 

 Gymnolomia. Nearly 20 species; 

 4 ours. 



G. multiflora, Benth. & Hook. 

 (Eng.) 



Helenium. Twenty in our region. 



H. autumnale, Linn. (H. grand- 

 iflorum, H. pumilum.) * (Eng. 

 1729.) 



H. Bolanderi, Gray. * 

 H. Hoopesii, Gray. * (Eng.) 

 H. nudiflorum, Nutt. (Eng.) 

 H. quadridentatum,Labill. (Eng. 

 1790.) 



Helianthus. Forty-three species 

 are native in our region. 

 H. angustifolius, Linn. * 

 H. annuus, Linn. (H. multi- 

 florus of most dealers.) * (Eng. 

 1596, 1827 as H. lenticuris.) 

 H. argophyllus, Torr. & Gray. * 

 (Eng. ) (See Annals for 1890, 

 168 for record of a cultivated 

 form.) 



H. atrorubens, Linn. * (Eng. 



1732.) 



H. Calif ornicus, DC. * 



H. debilis, Nutt., var. cucumeri- 

 folius, Gray. (H. cucumeri- 

 folius.) * 



H. decapetalus, Linn. * 



H. decapetalus var. multiflorus, 

 Gray.* This Helianthus mul- 

 tiflorus (not the common one?— 

 see H. annuus) is, according" to 

 Gray, "known only in cultiva- 

 tion from early times; must 



have been derived from H. de- 

 capetalus." Several garden 

 forms of H. decapetalus are 

 offered. 



H. divaricatus, Linn. * 



H. doronicoides, Lam. * 



H. giganteus, Linn. * 



H. lsetiflorus, Pers. Manning, 

 1891. 



H. Maximiliani, Schrad. * 

 H. mollis, Lam. * (Eng. 1805.) 

 H. orgyalis, DC. * (Eng. 1879.) 

 H. rigidus, Desf. * (Eng.) Gar- 

 den varieties are offered. 

 H. strumosus, Linn. * 

 H. tracheiiifolfus, Willd. * 

 H. tuberosus, Linn. * (Eng. 

 1617.) Long grown as Jerusa- 

 lem Artichoke. 

 Heliopsis. Four species, all in our 

 region. 



H. laevis, Pers. * (Eng. 1714.) 

 Hulsea. Species 6. 



H. nana, Gray. Hors. 1889. 

 Iva. 11 American species. 



I. frutescens, Linn. * 



Krigia. Five species, American. 

 K. amplexicaulis, Nutt. (Cynthia 

 Virginica. Gill. 1881. 

 Kuhnia. Two species, American. 

 K. eupatorioides, Linn. (Eng. 

 1812.) 



Lasthenia. Four species ; 3 in our 

 region. 



L. glaberrima, DC. (Eng. 1834.) 

 L. glabrata, Lindl. (L. Calif or- 



nica.) * (Eng. 1834.) 

 Layia. Fourteen species, all 



American. 

 L. Calliglossa, Gray. (Eng.) 

 L. (Oxyura) chrysanthemoides, 



Gray. (Eng. 1834.) 

 L. elegans, Torr. & Gray. * 

 L. platyglossa, Gray. (Eng. 



1836.) 



Lepachys. Four species in our 

 region. 



L. (Rudbeckia) columnaris, 

 Torr. & Gray., var. pulcher- 

 rima, Torr. & Gray. (Obelis- 

 caria pulcherrima.) * (Eng. 

 1811.) 



L. (Rudbeckia) pinnata, Torr. & 

 Gray. * (Eng. 1803.) 

 Leptosyne. Seven species in our 

 limits. 



L calliopsidea, Gray. (Eng. 

 1873.) 



