293 
The following species were here obtained, of which Mr. Pringle col- 
lected Hydrocotyle bonariensis. 
Species. | Altitude (feet). | Species. | Altitude (feet). 
a a a 
Hydrocotyle bonariensis..| 1,800 to 2,500) Museniopsis scabrella...| 7,500 to 8, 000 
Hydrocotyle mexicana... 1,800 to 2,500 Museniopsis tuberosa....| 7,500 to 8, 000 
Museniopsis cordata...... | 7,500 to 8,000 | 
REYES, 
The town of Reyes is situated on the west side of the Sierra de Reyes 
which border the valley of Cuicatlan. It is about 10 miles northeast 
of the town of Cuicatlan, at an altitude of 6,700 feet. The Sierra de 
Reyes runs in a north and south direction. The slopes both on the east 
and west are very steep. The divide above Reyes is 9,400 feet altitude. 
The highest peak of this range is the Volcan Negro, whose altitude is 
10,400 feet. 
The following species were collected here: 
Species, Altitude (feet), Species. | Altitude (feet). 
Eryngium bromeliafolia..| 10,000 Museniopsis cordata...-. | 8, 000 
Eryngium scaposum...... |7,500 to 10,400 9 Oltoa wnanthoides ...--. — 7,500 to 10, 000 
Hydrocotyle mexicana... 8,000 | Rhodoseiadium glaucum., 6,000 to 7, 500 
4 
TLAPANCINGO AND VICINITY. 
The town of Tlapancingo is situated about 6 miles from the western 
border of Oaxaca. Its altitude is 5,200 feet above the sea. On the 
east side rises a mountain range to the height of 9,000 feet in the 
vicinity of the town, farther south becoming even higher, but toward 
the north lower. This region is very dry and the vegetation much 
stunted. In the higher parts of the mountains more rain falls and the 
vegetation is more luxuriant. ‘wo trips were made by Mr. Nelson into 
the mountains. All the Umbelliferze obtained were from the mountains 
about the town. Mr. Nelson was in this region from December 6 to 9, 
1894. 
The following species were collected: 
Species. | Altitude (feet). | Species. Altitude (feet). 
Eryngium ghiesbreghtii. - | 6, 000 to 8,000  Museniopsis dissecta ....| 6,000 to 8, 000 
Eryngium longirameum ..| 6,000 to 8,000 Neogoezia gracilipes -...| 6,000 to 8, 000 
6, 000 to 8, 000 | 
Hydrocotyle mexicana.... 
LAS SEDAS. 
Las Sedas is located near the north end of the valley of Oaxaca. 
This is a small railroad station at the lowest pass of the continental 
divide, where the road from Puebla City enters the valley of Oaxaca 
