BOTANY. 137 
Examples: *Dysodia, *Riddellia. Division 2. Porophylleea. Example : 
Porophyllum. 
Sub-tribe 5. Heleniee. Heads mostly heterogamous. Pappus of several 
or numerous scarious, chaffy scales, in a single series, distinct, rarely none. 
Leaves mostly alternate (chiefly American). Division 1. Guillardiee. a, 
Bugaillardiee. Example : *Gaillardia. b, Euheleniee. Example : 
*Hymenopappus. Division 2. Galinsogee. a, Kugalinsogee. Example: 
*Marshallia. b,Sphenogynee. Example: Ursinia. Division 3. Madiea. 
Example: *Callichroa. Division 4. Baldwiniee. Example: *Actino- 
spermum. 
Sub-tribe 6. Anthemidee. Heads mostly heterogamous. Pappus none 
or coroniform, rarely squamellate. Anthers not caudate. Branches of the 
style truncate and bearded at the apex, rarely terminated by a short cone. 
Leaves mostly alternate. Division 1. Huanthemidee. Examples : 
*Anthemis, *Achillea. Division 2. Chrysanthemee. Example : *Monolopia. 
Division 3. Cotulee. Example: *Aromia. Division 4. Athanasiee. 
Example: Athanasia. Division 5. Artemisiee. Examples: *Tanacetum, 
*Artemisia. Division 6. Hippiee. Example: *Soliva. Division 7. 
Eriocephalee. Example: Eriocephalus. 
Sub-tribe 7. Gnaphaliee. Heads homogamous and discoid, rarely 
heterogamous. Anthers caudate. Pappus of capillary or setaceous bristles, 
rarely none. Leaves mostly alternate. Division 1. Angianthee. Example: 
Hyalolepis. Division 2. Cassiniee. Example: Cassinia. Division 3. 
Helichrysee. Examples: *Gnaphalium, *Filago. Division 4. Seriphiee. 
Example: Seriphium. Division 5. Antennariee. Example: * Antennaria. 
Division 6. Leyserree. Example: Athrixia. Division'7. Relhaniee. 
Example : Carpesium. 
Sub-tribe 8. Senecionee. Heads homogamous or heterogamous, discoid 
or radiate. Anthers not caudate. Pappus of capillary bristles, or very 
rarely wanting in the exterior flowers. Leaves alternate. Division 1. 
Neurolenee. Example: Neurolena. Division 2. Hrechtitee. Example: 
*Erechtites. Division 3. Husenecionee. Example: *Cacalia, *Senecio. 
Division 4. Balbisiee. Example: Balbisia. 
Tribe 5. Cynaree. Style of the perfect flowers nodose-thickened, and 
often penicillate at the summit; the stigmatic lines not prominent, reaching 
to and confluent at the summit of the externally puberulent branches. 
Sub-tribe 1. Calendulacee (none North American). Division 1. Calendulee. 
Example : Calendula. Division 2. Osteospermee. Example : Osteospermum. 
Division 3. Othonnee. Examples: Heteractis. 
Sub-tribe 2. Arctotidee (none North American). Division 1. Arctotee. 
Example: Arctotis. Division 2. Gorteriee. Example: Cullumia. 
Sub-tribe 3. Echinopsidee (none North American). Example: 
Acantholepis. 
Sub-tribe 4. Cardopatee (none North American). Example: Cardopatium. 
Sub-tribe 5. Xeranthemee (none North American). Example ' 
Chardinia. 
137 
