S88 Mr Don on the Naiural Family 
culati^ subsolitarii ant rarius glomerati^ parvi^ purpurei ant 
c(]erule% in elegant! et aggregate magn% speciosi^ coccinei. 
Hue referendae sunt: Gilia laciniata FI. Peruv. p, 17. 
t. 123. Ipomopsis elegans, Mich. Amer., Smith Exot. Bot. 
t. 13. quae Polemonium rubrum Linn.^ et Cantua coronopifolia 
Willd. Ipomopsis inconspicua Smith loc. cit. t. 14., et Cantua 
aggregata Pursh. Am. Sept, 1. p. 147. 
Obs. Extus simillima Gili« elegant! est Ipomaea Quamoclit. 
Linn.^ cm tamen prseter stigma capitatum simplex, characteres 
omnino diversi ad Convolvulaceas spectantes. 
Caldasia, Willd. 
Bonplandta, Cavan. 
Calyx tubulosus, 5-dentatus, corollse tubum jequans. Corolla 
infundibuliformis, limbo 5-loba : lohis cuneatis, emarginatis. 
Stamina in medio tubi inserta. Capsula oblonga, trigona : 
loculis monospermis ! valvis membranaceis. Semina oblonga, 
subtrigona. Albumen parcum. Radicula cotyledonibus vix 
brevior. 
Herba (Mexicand) annua. Caules erecti^ ramosi. Folia al- 
terna, simplicia^ elliptica, acuminata^ serrata. Flores axillares^ 
gemin% pedunculate purpurei. 
Hoitzia, Juss. 
Cantus sp. Willd. 
Calyx tubulosus, aridus, 5-fid us laciniis pungentibus, extus 
bracteis 5 ! lanceolatis pungenti-mucronatis munitus. Corolla 
infundibuliformis, calyce triplo longior, limbo 5-loba : lohis late 
obovatis, integris. Capsula trigona : locidis oligospermis : val- 
vis membranaceo-crustaceis. Semina compressa, suborbiculata, 
membrana angustissima cincta. Albumen parcum. Radicula 
cotyledonibus subaequalis. 
Suffrutices {Mexicani) rigidly ramose ramis teretibus pubes- 
centibus villosisve. Folia alterna^ ovata v. lanceolata, mucro- 
7iata^ hirsuta^ argute serrata^ reticulato-venosa^ basi cuneata^ 
brevissime petiolata. Flores solitarii aut gemine axillares^ pe- 
dicellate magne speciosi^ coccinei aut violacei. 
Obs. Ad hoc genus pertinent sequentes species, scilicet, H. coc- 
cinca Cavan, icon, t 365., coerulea ejusd. t. 366., glandulosa 
ibid. t. 367., quae admodum verisimiliter H. Cervantesii Kunth 
