83 



Pithecolobium, sp. A large tree growing lumr water, with a trunk 5 feet long and 

 a inches in diameter, with an immense top cmt of all proportion to the trunk, 

 and a great profuHion of yellow, rather sweet-scented, flowers. A useful wood. 

 Tlie flowers in capitate clusters on peduncles I to 2 inches long. The numerous 

 short stamens are nniteil into a very short tube ; the ovary on a stipe of twice 

 its length. The generic position of this species is doubtful, but its conuate 

 stamens forming a tube places il in Bentbam's sectiou logese. Santa Agueda, 

 March 4 to 6. No. 261. 



ONAGRACEiE. 



CEnothera cardiophylla Torr. One an<l one-half feet high ; growing iu shade. 



''Hloom yellow;" dryiug reddish. Santa Rosalia, February 24 to March 3* 

 No. 204. 



LOASACE^. 



Mentzelia adhaerens Benth. Only oue ])lant seen and this in a garden. Santa 



Agdcda, March 4 to 6. No. 254. 

 Petalonyx llDearis Greene. A bushy plant ;5 feet high. Common in tiie arroyos 



near the sea. Santa Rosalia, February 24 to March a. No. 189. 



RUBIACEiE. 



Houstoiiia brevipea Rose n. sp. About I fot.t, high, branching, smooth: leaves fili- 

 form,!) to 12 lines h)ng; stipules small, with 1 or 2 set^e: pedicels 2 to 3 lines 

 long or wanting: calyx in flower 1 liue long; in fruit 2 lines long, with 4 acute 

 divisions: corolla piuk, with slender tube 'l lines long, and lobes 2 lines long : 

 capsul.s globular, about one-tliird free from the calyx, about 40 se.'ded.— Only 

 a single specimeu collected near Santa Rosalia, in a canon, February 24 to 

 March IJ. 



This species seems nearest H. longipea, but with more numerous seed, etc. 

 No. 202. 



COMPOSIT.aEl. 



Hofmeisteria laphamloidea Rose. (Jrows in shade of rocks (see page 79) Sant* 

 Rosalia, March 1. No. 208. 



Hofmeisteria pubescens Watson. Proc. Anier. Acad. XXIV. 54. Akenes often with 

 3 setie. " A compact roundish plant growing in crevices of rocks and shady 

 recesses of hills, mountains, and along shady sides of arroyos. When exposed 

 the leaves are larger and more fleshy. The woodisbrittle: bloom lignt pink, 

 rather sweet scented; free bloomer. The very dry surroundings cause this 

 plant t)i be very noticeable." Santa Rosalia, February 24 to March 3. No. 178. 



Brickellia brachiata Gray. Proc. Amer. Acad. XXI. 385. This diff-ers from the 

 type in being glabrous. The plant is eaten readily by domestic animals, and it 

 was har<l to find good botanical specimens, although the plant is very common. 

 Santa Rosalia, March l.'j. No. 269. 



Pluchea camphorata DC. Commonly called '* Canela, " the Spanish of cinnamon, 

 which the smell of the flowers is considered to resemble. When growing among 

 bushes and on the outskirts of gardens where there is plenty of moisture it is 

 8 to 10 feet high. Just comiug into bloom, Santa Agueda, March 4 t() 6. T^o. 253. 



Gnaphalium Sprengelii Hook. & Am. In an old garden, Santa Agueda, March 4 

 to G. No. 235. 



Hymenoclea Salsola T. & G. A loose-growirfg bushy plant, 4 feet high. In caHon 

 near Santa Rosalia, February 24 to March 4. No. 197. 



Franseria ambrosioides Cav. Commonly called "Chicoria." The plant when 

 cooked iu oil is uiuch used and esteemed for local application in rheumatism. 

 "# Common iu waste places along wot ditches. Santa Agueda, March 4 to 6 



No. 229. 



