Sc^evola,"] LXiv. goodenovie.e. 



86 



Seriks I, Glohnlifer^,^ Ovary t-celled. Hairs on ike hack of the indusinm short 

 ^'^ iT ^^ ^^^^^^^*^^' 'Fhwers rather large (usuaUij blue), with rows of soft bristles or 

 subulate teeth tipped with minute white tufts descending in the throat from the marmns 

 of the lobes. . -^ ^ j j 



Glabrous or rarelj with long spreading hairs at the base of the 

 stem. 



Leaves mostly sessile, ovate oblong or broadly lanceolate, entire 18. *S^. angulaia. 



Leaves mostly petiolate, ovate or eUiptical, tootbed . . . . 19. 5. nitida. 

 Leaves all linear or lanceolate, entire or very rarely toothed. 



Pruit ovoid, rugose 20. 5, glohulifera. 



iTuit large, globular, smooth, striate .*■■.• 21. S. porocarja. 



Whole plant or at least the inflorescence hairy. ■ ■ • 



Lower leaves petiolate, broadly lanceolate, toothed. .... 22. S. attenuata. 

 l^igidly hirsute. Leaves linear or rarely lanceolate, entire. 



Corolla and inflorescence glandular pubescent. Fruit smooth 23. 5. glaiidnUfcra. 



No glandular hairs. Truit very rugose 24. 5. anckuscBfolia, 



Densely tonientose-villous. Leaves lanceolate or linear, soft, 



thick, entire 25. 5. Mosericea, 



Mllous with appressed hairs or almost glabrous. Stems decum- 



oent. Leaves thick, entire, the lower ones obovate ♦ . , 26. S. suaveolens, 



(A few of the penicillate cilia in the throat of the corolla are observable in some other 

 senes, especially in 42. S. microcarpa ^nd others of the Monosperma.) 



bEETEs II. Macrostachyae. — Ovarj/ 2-celled. Hairs on the back of the indusi^rm 

 tnortorfew or scattered. Flowers usually smaller than in the Giobulifera; {white ?), with 

 ^eryfev) or no penicillate bristles within the throat. Iruiting spikes usually continuoui 

 ^nh malt bracts. 



Branching tomcntose-villous shrnb. Leaves small, entire, mostly, . 



P,^P^^^<^ 27-5. revohda. 



Glabrous or viscid shrubs. Leaves petiolate, broad, toothed. 

 Agaves ovate or obovate. Bracts ovate or elliptical. Fruit 



ovoid. Tropical species 28. ^S, ovalifolia. 



i^aves obovate or orbicular. Bracts linear or lanceolate. Fruit 



globular or depressed * .... 29. iS'. crassifolia. 



i^Tuicrshrnbs or herbs. Leaves linear or lanceolate. 

 Auuoreseence or the whole plant hirsute. Fruit ovoid-oblong. 



^Pper leaves and bracts rigidly ciliate. Tropical species . . 30. 5. macrostachya. 

 iiraets very hairy aU over. Western species. 



^racts lanceolate. Indusinm ciliate 31. 5. longifolia. 



tiHicts ovate, acuminate. Indusinm scarcely ciliate . . 32. S. lanceolata. 

 ^lant glabrous. Fruit very small, broader than long. ladusium 



not cihate ................ 33. 5. thesioides. 



t^h^^^ ^^^' ^OffOgamese.— Oyarj^ 2-celled. Indusinm with a dense tuft of hairs at 

 Oase on the back as long ^ the indusium itself 



Wes sessile, broadly stem -clasping. ■ 

 ^aves ovate-lanceolate, toothed. Bracts lanceolate. Spike 

 aense. Bracteoles linear-subulate ....•..-. 34. 5. macTophylla. 

 ves ovate or obloug, mostly entire, the floral ones large. 



Bracteoles broad 35. S. pJatyphylla. 



^aves membraDous, broad, coarsely toothed, with toothed auri- 

 Leavr *' 1 ^^*^ interrupted. Bracteoles oblong or lanceolate . 36. S. auriculata. 



llw ^T^^^ petiolate or narrowed at the base. 

 J^wer leaves obovate, toothed. Stem usualh 



.-_, ^«. Stem usuallv decumbent , .. 37- S. omnia, . 



J^«er leaves obovate, very acutely toothed .' 38. -S. humilii. 



^^^ small, entire, thick. Small erect undershrub .... 39. 5. ambly anther a. 



