9 
Legerunt: Sieber in Aegypto sup. Riippell inter Cahiram et Suez. Elirenberg in 
t f 
GeheI -el-ahmar et ad Pyramides prope Gizeh (Aeg.). Febr. flor. Kotschy in locis arenosis ad 
Arasch-Cool (Kordof.). lOOctbr. flor, et fruct. Ehrenberg in insula Dalac et in insula Belleville 
(mare rubr.); ad Eilet (Bogos). 
30. Fagonia arabica L. sp. 553. 
In deserto ad Curavteh Jan. fruct. (Hartm.) 
Sell^l-el-Nil ad Philas, Febr. fruct. (Hartm.) 
Habitat in Syria, Arabia, Aegypto, Nubia, Sennaar, Barbaria, Senegambia. 
f 
Legerunt: Ehrenberg in Aegypto: Gebel-el-ahmar; Bir-ek-Kesuba Octb. fruct.; in insulis ad 
Philas Decbr. Novbr. fruct., in desertis ad Matavieh. Febr. fruct.; ad Salehin, Emschabr, Bahhahra. 
Majo flor. Sieber in Cahirae desertis. Kotschy prope pagum Omm-Derman ad ripas Nili albi 
in solo glareoso (Sennaar). 
31. Tribulus terrestris L. sp. 554. 
Gerebin in Dar-el-Fung (Sennaar sup.) in ruderaHs ad pagum copiosissima. Junio flor, et 
fruct. (Hartm.) 
Habitat per totam fere orbem in regionibus calidioribus intratropicisque vulgata, in Europa 
meridionali, in Asia centrali et meridionali, in America calidiore, in Africa fere ubique lecta, in 
Algeria, in agro Tunetano, Aegypto, Nubia, Kordofan, Sennaar, Abyssinia, Mozambique, Quillimane, 
Senegambia, in insulis Caboverde, Guinea cet. 
Legerunt: Ehrenberg ad Derraue in agris, Nvbr. fruct., in agris ad Kurne prope Thebas. 
Octb. fruct., prope Assu^n. (Aeg. superior.) ad Eilet (Bogos). Kotschy ad pagum Abu-Gerad 
(Kordof.) Caillaud in Sennaar. Schimper in valle Choata Julio flor. Quartin-Dillon in 
sabulosis maritimis regionis Choho (Abyssinia). 
Euphorbiaceae. 
32. Crozophora Brocchiana Vis. piant, quaed. Aeg. et Nub. p. 39. tab. VIII. 
Croton macrocalyx Ehrenberg! ined. in herb. Dongol. 
(ic. Tab. V. b.) 
var. Hartmanni Schweinfurth. 
Foliis trilobatis, longius petiolutis, majoribus, stipulis tenuioribus , floribus longius 
pedicellatis. 
(ic. Tab. V.) 
Frutescens, tota planta pilis luteo -albidis, (demum in herbariis lutescentibus) dense stellato- 
lanata, succi tinctorii expers. 
Caulis teres, decumbenti -ramosus. 
Folia obtuse-triangularia, junioria rhombeo- triangularia, inferiora triloba, lobis obtusissimis, 
undulatis, medio longiore, utrinque aequaliter lanata, ut videtur eglandulosa, superne vix viridioria, 
Scluveinfurlli Plantae Nilot. 2 
